CN102087786A - Information fusion-based intelligent traffic information processing method and system for people, vehicle and road - Google Patents
Information fusion-based intelligent traffic information processing method and system for people, vehicle and road Download PDFInfo
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Abstract
The invention relates to an information fusion-based intelligent traffic information processing method and system for people, vehicles and roads. The system comprises three kinds of core equipment, such as road side equipment, onboard equipment and MKey (Master Key). The method and the system carry out fusion analysis treatment on person identity authentication data information, radio frequency communication data information and vehicle characteristic information recognized by video in a way of combining radio frequency communication with video recognition, have high, accurate and reliable processing efficiency, improve the convenience, accuracy and safety of intelligent traffic management and are suitable for various conditions involved in intelligent traffic management, such as sealing type management person and vehicle information authentication pass, highway ETC (Electronic Toll Collection), multilane free flow charging and polysemy path recognition.
Description
Technical field the present invention relates to management method and systems such as the authentication, charge of personnel and vehicle in the intelligent transportation field, particularly relates to the information processing method and the system on intelligent transportation people based on information fusion, car, road.
Background technology at first is explained as follows the follow-up relevant abbreviation that relates to of instructions of the present invention:
ITS:Intelligent Transport System, intelligent transportation system
ETC:Electronic Toll Collection, drive-in toll
MTC:Manual Toll Collection, manual toll collection
DSRC:Dedicated Short Range Communication, Dedicated Short Range Communications,
ERP:Electronic Road Pricing, the free flow charge is also named in electronic road pricing
ISM:Industrial Scientific Medical, industry, science and medical
RSU:Road Side Unit, roadside unit
RSE:Road Side Equipment, roadside device
OBU:On Board Unit, board units
OBE:On Board Equipment, mobile unit
PSAM:Payment Security Access Module, the consumption safety access modules
ESAM:Embeded Security Access Module, the embedded-type security access modules
DSP:Digital Signal Processor, digital signal processor
ARM:Advanced RISC Microprocessor, senior risc microcontroller
RA:Registration Authority, registration center
CA:Certificate Authority, authentication center
PKI:Public Key Infrastructure, Public Key Infrastructure
PIN:Personal Identification Number, the individual identification password
AES:Advanced Encryption Standard, Advanced Encryption Standard
ECC:Elliptic Curves Cryptography, elliptic curve cipher coding theory
RSA: a kind of asymmet-ric encryption method of uniting invention by Rivest, Shamir, Adleman
SHA:Security Hash Algorithm, Secure Hash Algorithm
MD5:Message Digest, message digest algorithm
Mkey:Master Key, car owner/owner's spoon
Along with expanding economy, transport need increases day by day, urban road traffic congestion, trip difficulty become the common issue with that the our times various countries face, and are that the puzzlement that traffic environment deterioration is in varying degrees brought is all being born by developed country or developing country.The deterioration of traffic environment had both caused that social efficiency is low, air pollution, energy loss, also was to cause one of them very important factor of global warming simultaneously.
Promote the stable development of intelligent transportation industry energetically, adopt various means comprehensively to reduce the carbon emission amount, become a widespread consensus of countries in the world government.China has also obtained great development aspect the enforcement intelligent traffic administration system.Intelligent traffic administration system is used and is related generally to following several aspect: one, highway ETC drive-in toll; Two, the ERP congestion-pricing also is in multilane free flow charge; Three, ambiguity path identification; Four, closed management people car authentification of message is current.In the prior art, the intelligent traffic administration system of above-mentioned each side uses that relevance is not high each other, and each self-forming information island causes the waste of social resources, can not be that the user brings convenience truly to the common people simultaneously, also fail from truly improving traffic environment; In addition, even aspect separately single, also have serial deficiency and defective, for example: highway ETC drive-in toll only limits to the charge of electronics IC-card, personnel is authenticated security current and that personal information is handled quickly and easily all do not relate to and ensure; Multilane free flow charge exists inadequate, system stability of over-speed vehicles transaction processing time to be subject to problems such as such environmental effects; Ambiguity path identification exists can not compatible existing ETC mobile unit, too much rely on variety of issue such as manually-operated.
The summary of the invention the technical problem to be solved in the present invention is to avoid above-mentioned the deficiencies in the prior art part and the information processing method and the system that propose a kind of intelligent transportation people based on information fusion, car, road.The mode that this method and system adopts radio communication and video identification to combine, the vehicle characteristics information that personnel identity verify data information, radio communication data message and video identification go out is carried out the convergence analysis processing, treatment effeciency height, accurately and reliably, improve convenience, accuracy and the security of intelligent traffic administration system, and be applicable to the various situations that intelligent traffic administration system is related,, highway ETC drive-in toll current, the charge of multilane free flow and ambiguity path identification such as closed management people car authentification of message.
The present invention solve the technical problem can be by realizing by the following technical solutions:
Propose the information processing method on a kind of intelligent transportation people, car, road, comprise the steps: based on information fusion
A., service application information center is set, and this information center comprises background system;
B., roadside device is set, and this roadside device comprises public part, radio frequency part and video section; Described public part comprises man-machine interface processing unit, power supply module and lightning protection processing unit and Peripheral Interface communications processor element; Described radio frequency part comprises microprocessor, and the secure access unit, consumption safety access modules, Dedicated Short Range Communications, channel processing unit, local people car info-channel processing unit and the wide area people bus or train route info-channel processing unit that are connected with microprocessor communication; Described video section comprises flush bonding processor, reaches non-volatile data storage unit, expansion data storage unit and video signal processing unit with the flush bonding processor wired connection; In this step, if described radio frequency part and the video section of being equipped with simultaneously, then the former microprocessor links to each other with the latter's flush bonding processor is wired, and the man-machine interface processing unit only links to each other with the video section flush bonding processor is wired with the Peripheral Interface communications processor element; If radio frequency part is only arranged, the man-machine interface processing unit links to each other with the radio frequency part microprocessor is wired with the Peripheral Interface communications processor element;
C. on vehicle, be provided with and its unique corresponding mobile unit, this mobile unit comprises microprocessor, and detects communication module, embedded-type security access modules, local people car info-channel processing unit, wide area people bus or train route info-channel processing unit and secure access unit with the wired high-speed computer peripheral interface communication unit that links to each other of microprocessor, expansion data storage unit, man-machine interface processing unit, dismounting detection and power supply unit, Dedicated Short Range Communications, channel processing unit, double-interface IC card interface;
D. aim at the car owner based on the PKI technology or its authorized person is equipped with car owner Mkey, with pass through as authentication fast and safely authority or authentication instrument or security information carrier, it comprises microprocessor, reaches and the wired high-speed computer peripheral interface communication unit that links to each other of microprocessor, man-machine interface processing unit, power supply unit, secure access unit, local people car info-channel processing unit and wide area people bus or train route info-channel processing unit;
E. described roadside device is set up wired communicating to connect with vehicle checker, host computer and described service application information center background system respectively by interfacing equipment; Described roadside device is set up radio communication by Dedicated Short Range Communications, channel and/or local people car info-channel and/or wide area people bus or train route info-channel and described mobile unit, sets up radio communication with described car owner Mkey separately by local people car info-channel;
F. the roadside device radio frequency part is issued broadcast message by wide area people bus or train route info-channel and/or is sent control signaling, mobile unit distance reception signal in 120 meters scopes of roadside device also is waken up, and does corresponding pre-service work according to the control signaling request then; Simultaneously, vehicle checker and/or roadside device video section detect vehicle in real time, and provide detection and location data, host computer and/or roadside device to judge whether that comprehensively new vehicle enters the information fusion zone;
When G. vehicle enters the information fusion zone, the radio frequency part of roadside device is carried out high-speed radio authentication and information communication by Dedicated Short Range Communications, channel and/or local people car info-channel with the mobile unit that newly enters vehicle, and/or the radio frequency part of roadside device is carried out high-speed radio authentication and information communication by local people car info-channel and car owner Mkey; The video section of roadside device carries out the image candid photograph and vehicle characteristics information is carried out signature analysis, extraction, fusion, identification vehicle; Roadside device again will and car owner Mkey, mobile unit between the data message of radio communication gained and the vehicle characteristics information that video section obtains carry out fusion treatment.
Further improve as the present invention, also comprise step H: described host computer real-time automatic collecting, analysis, processing are from the data of fusion that roadside device is analyzed; Host computer extracts, organizes data by business need, and upload to service application information center background system with the flowing water form through interfacing equipment according to the vehicle result.
Further improve as the present invention, also be included in described background system configuration owner Mkey, this owner Mkey is used for the business initializtion roadside device, and carries out safe and secret communication and authentication car owner identity on based on the business platform of B/S, C/S with car owner Mkey; Described owner Mkey comprises microprocessor, reaches and communicate by letter and power supply unit, man-machine interface processing unit and SAM secure access unit with the wired high-speed computer peripheral interface that links to each other of microprocessor.
Further improve as the present invention, this secure access unit separately of described roadside device, mobile unit, car owner Mkey and owner Mkey infrastructure PKI frame system that all uses public-key, adopt AES or 3DES symmetric cryptographic algorithm, adopt ECC, RSA or DSA asymmetric cryptographic algorithm, adopt SHA-1 or MD5 hashing algorithm to be used for digital signature.
Further improve as the present invention, the video signal processing unit of the video section of described roadside device comprises video camera, two-way vision signal control treatment module and light filling lamp; Described vehicle characteristics information comprises headstock local message and headstock overall picture information; Described headstock local message comprises headstock characters on license plate, color formation, textural characteristics, installation site and headstock car mark; Described headstock overall picture information comprises that the headstock textural characteristics of headstock windshield, color constitute and vehicle.
Further improve as the present invention, the Dedicated Short Range Communications, channel processing unit of described roadside device comprises 5.8GHz transceiver and dual-mode antenna, and the Dedicated Short Range Communications, channel processing unit of described mobile unit comprises that 5.8GHz transmitter and emitting antenna and 5.8GHz receive and wake up device and receiving antenna; Described roadside device, mobile unit and car owner Mkey three's local people car info-channel processing unit includes 2.45GHz transceiver and dual-mode antenna or 5.8GHz transceiver and dual-mode antenna; The wide area people bus or train route info-channel processing unit of described roadside device comprises 300-928MHz special frequency channel transceiver and dual-mode antenna, the wide area people bus or train route info-channel processing unit of described mobile unit comprises 300-928MHz special frequency channel transmitting-receiving and wakes device and dual-mode antenna up, and the wide area people bus or train route info-channel processing unit of described car owner Mkey comprises that the 300-928MHz special frequency channel wakes device and receiving antenna up.
Further improve as the present invention, also comprise the step that various data acquisition equipments in the car are set, described car owner Mkey establishes a communications link by various data acquisition equipments in high-speed computer peripheral interface and the described car, and described roadside device and car owner Mkey carry out various data acquisitions in the car by local people car info-channel; Various data acquisition equipments comprise personnel's biometric authentication device, vehicle GPS driving path registering instrument or vehicle ' event detection and registering instrument in the described car.
The intelligent transportation that the present invention is based on information fusion is gone into, the information processing method on car, road is applicable to closed vehicle management, specific design is that a roadside device is installed near barrier machine, the per car road is equiped with a vehicle checker, about 6 meters of its axis and railing distance, host computer and interfacing equipment are installed in the tollbooth; The wide area people bus or train route info-channel processing unit of roadside device acts on approach area road junction wheel and changes jobs with broadcasting public information and control signaling, the Dedicated Short Range Communications, channel processing unit of roadside device and local people car info-channel processing unit act between vehicle checker and the railing zone, this track and with mobile unit that enters vehicle in this zone and/or car owner Mkey radio communication, video section acts on zone, track beyond the vehicle checker and is used for video frequency vehicle and detects and car plate identification.
The present invention is based on intelligent transportation people, the car of information fusion, the information processing method on road is applicable to multilane free flow toll administration; Specific design is, press direction of traffic from left to right, lay preceding ground vehicle checker earlier in every track, with its axis is start line, the ground vehicle checker is to mate minimum vehicle in laying with start line wheelbase 3-5 rice, with roadside device before the start line wheelbase 7-10 rice installation overhead, with roadside device behind the start line wheelbase 15-22 rice installation overhead; The video section of preceding roadside device is done video car test and car plate identification to comprising preceding ground car test track pretreatment zone in addition, and the video section of back roadside device is done the identification of video car test and car plate to ground car test in comprising in interior information fusion district; The action of radio zone of the radio frequency part of former and later two roadside devices is provided with the aspect, the radio frequency part of preceding roadside device is used for starting carrying out to charge concludes the business, and always be about this zone, track of 6 meters in acting on before and after the ground vehicle checker, overlapping with the video section zone of action of back roadside device, and with preceding in the common configuration information corresponding circle of sensation of ground vehicle checker, the radio frequency part of back roadside device acts on the zone between two roadside devices, communication relay as preceding RSE radio frequency part, and two action of radio zones do not intersect, the middle transition zone is greater than 3 meters, to avoid electromagnetic interference (EMI), when if preceding roadside device is not finished the charge transaction of current vehicle, activate the back roadside device immediately and enter information candidate state, by the back roadside device continue to finish when time the charge transaction.
The present invention is based on intelligent transportation people, the car of information fusion, the information processing method on road is applicable to ambiguity path identification toll administration; Specific design is: at each ID of trace route path point former and later two roadside devices are set on the way; At each ID of trace route path point, the video section first via Video Detection positioned vehicle of every preceding roadside device of lane utilization, capture vehicle overall picture picture, and utilize the second road video capture of preceding trackside video section and the afterbody car plate of identification vehicle, and utilize the video section of back roadside device to capture the head car plate of discerning vehicle; The image that driving vehicle is gathered carries out images match, signature analysis, feature extraction, pattern classification again; After obtaining the series of features information of this driving vehicle,, be sent to service application information center background system by host computer to cross wagon flow water mode; For the vehicle that OBE is housed, by way of each ID of trace route path point the time, the RSE that each path indicates point and OBE combine the secure communication mechanism realization radio communication of double-interface IC card and ESAM, PSAM by the Dedicated Short Range Communications, channel, in OBE or IC-card write and write down by way of routing information; When vehicle ' arrives charge station's exit lane, for the vehicle of not equipping OBE, by the characteristic information of track roadside device video section collection in worksite when the consumption charge vehicle, after the inlet information of reading on the visa card, described characteristic information is sent to service application center background system perform an analysis computing and identification together, and carries out vehicle toll according to the result of gained; For the vehicle that OBE is housed, the RSE that is installed in charge station realizes radio communication with OBE by the secure communication mechanism that the Dedicated Short Range Communications, channel combines double-interface IC card and ESAM, PSAM, read in the OBE or the inlet information of IC-card and by way of each routing information, analyze computing again and draw result and charged.
The present invention solve the technical problem can also be by realizing by the following technical solutions:
The information handling system on design, a kind of intelligent transportation people based on information fusion of use, car, road comprises:
Service application information center, this information center comprises background system;
Roadside device, this roadside device comprises public part, radio frequency part and/or video section; Described public part comprises man-machine interface processing unit, power supply module and lightning protection processing unit and Peripheral Interface communications processor element; Described radio frequency part comprises microprocessor, and the secure access unit, consumption safety access modules, Dedicated Short Range Communications, channel processing unit, local people car info-channel processing unit and the wide area people bus or train route info-channel processing unit that are connected with microprocessor communication; Described video section comprises flush bonding processor, reaches non-volatile data storage unit, expansion data storage unit and video signal processing unit with the flush bonding processor wired connection; If described radio frequency part and the video section of being equipped with simultaneously, then the former microprocessor links to each other with the latter's flush bonding processor is wired, and the man-machine interface processing unit only links to each other with the video section flush bonding processor is wired with the Peripheral Interface communications processor element; If radio frequency part is only arranged, the man-machine interface processing unit links to each other with the radio frequency part microprocessor is wired with the Peripheral Interface communications processor element;
Mobile unit, be arranged on the vehicle and unique corresponding with vehicle, this mobile unit comprises microprocessor, and detects communication module, embedded-type security access modules, local people car info-channel processing unit, wide area people bus or train route info-channel processing unit and secure access unit with the wired high-speed computer peripheral interface communication unit that links to each other of microprocessor, expansion data storage unit, man-machine interface processing unit, dismounting detection and power supply unit, Dedicated Short Range Communications, channel processing unit, double-interface IC card interface;
Car owner Mkey, aiming at car owner or its authorized person based on the PKI technology is equipped with pass through as authentication fast and safely authority or authentication instrument or security information carrier, it comprises microprocessor, reaches and the wired high-speed computer peripheral interface communication unit that links to each other of microprocessor, man-machine interface processing unit, power supply unit, secure access unit, local people car info-channel processing unit and wide area people bus or train route info-channel processing unit;
Interfacing equipment, it sets up wired communicating to connect with vehicle checker, host computer and described service application information center background system respectively with described roadside device; Described roadside device is set up radio communication by Dedicated Short Range Communications, channel and/or local people car info-channel and/or wide area people bus or train route info-channel and described mobile unit, sets up radio communication with described car owner Mkey separately by local people car info-channel.
Compare with prior art, the intelligent transportation people, car, the information processing method on road and the beneficial effect of system that the present invention is based on information fusion are: 1. the mode that adopts radio communication (comprising the personnel identity authentication) and video identification to combine, the vehicle characteristics information that personnel identity verify data information, radio communication data message and video identification go out is carried out the convergence analysis processing, information processing efficiency height, with strong complementarity, both reduce the blur level of information, also improved convenience, safe reliability, accuracy and the credibility of intelligent traffic administration system simultaneously; 2. be fit to and be common to the various aspects and the aspect of intelligent traffic administration system, duplicate construction has been avoided in the integration of favourable social resources and making full use of, and has also made things convenient for public users.
Description of drawings
Fig. 1 is based on intelligent transportation people, car, the information processing method on road and the principle block diagram of system of information fusion;
Fig. 2 is the structural principle synoptic diagram of roadside device RSE;
Fig. 3 is the structural principle synoptic diagram of mobile unit OBE;
Fig. 4 is the structural principle synoptic diagram of car owner Mkey;
Fig. 5 is the structural principle synoptic diagram of owner Mkey;
Fig. 6 is the principle block diagrams of described method and system when being applied to closed vehicle management;
Fig. 7 is closed vehicle management system message processing flow synoptic diagram;
Fig. 8 is that described method and system are applied to the multilane free flow on-the-spot topology layout synoptic diagram in when charge;
Fig. 9 is each device signal zone of action synoptic diagram of multilane free flow Fare Collection System (is example with the middle lane);
Figure 10 is the on-the-spot operation of a multilane free flow Fare Collection System synoptic diagram;
Figure 11 is the message processing flow synoptic diagram of multilane free flow Fare Collection System;
Figure 12 is the structural principle synoptic diagram of multilane free flow Fare Collection System;
Figure 13 is that described method and system are applied to the ambiguity path on-the-spot topology layout synoptic diagram in when identification;
Figure 14 is each device signal zone of action synoptic diagram of ambiguity path identifying system (is example with the middle lane);
Figure 15 is the on-the-spot operation of an ambiguity path identifying system synoptic diagram;
Figure 16 is the structural principle synoptic diagram of ambiguity path identifying system;
Figure 17 is the message processing flow synoptic diagram of ambiguity path identifying system.
Embodiment is described in further detail below in conjunction with the preferred embodiment shown in the accompanying drawing.
The information processing method and the system on a kind of intelligent transportation people based on information fusion, car, road, shown in Fig. 1 to 5, its method comprises the steps:
A., service application information center is set, and this information center comprises background system;
B., roadside device is set, and this roadside device comprises public part, radio frequency part and video section; Described public part comprises
Man-machine interface processing unit, power supply module and lightning protection processing unit and Peripheral Interface communications processor element; Described radio frequency part comprises microprocessor, and the secure access unit, consumption safety access modules, Dedicated Short Range Communications, channel processing unit, local people car info-channel processing unit and the wide area people bus or train route info-channel processing unit that are connected with microprocessor communication; Described video section comprises flush bonding processor, reaches non-volatile data storage unit, expansion data storage unit and video signal processing unit with the flush bonding processor wired connection; In this step, if described radio frequency part and the video section of being equipped with simultaneously, then the former microprocessor links to each other with the latter's flush bonding processor is wired, and the man-machine interface processing unit only links to each other with the video section flush bonding processor is wired with the Peripheral Interface communications processor element; If radio frequency part is only arranged, the man-machine interface processing unit links to each other with the radio frequency part microprocessor is wired with the Peripheral Interface communications processor element;
C. on vehicle, be provided with and its unique corresponding mobile unit, this mobile unit comprises microprocessor, and detects communication module, embedded-type security access modules, local people car info-channel processing unit, wide area people bus or train route info-channel processing unit and secure access unit with the wired high-speed computer peripheral interface communication unit that links to each other of microprocessor, expansion data storage unit, man-machine interface processing unit, dismounting detection and power supply unit, Dedicated Short Range Communications, channel processing unit, double-interface IC card interface;
D. aim at the car owner based on the PKI technology or its authorized person is equipped with car owner Mkey, with pass through as authentication fast and safely authority or authentication instrument or security information carrier, it comprises microprocessor, reaches and the wired high-speed computer peripheral interface communication unit that links to each other of microprocessor, man-machine interface processing unit, power supply unit, secure access unit, local people car info-channel processing unit and wide area people bus or train route info-channel processing unit;
E. described roadside device is set up wired communicating to connect with vehicle checker, host computer and described service application information center background system respectively by interfacing equipment; Described roadside device is set up radio communication by Dedicated Short Range Communications, channel and/or local people car info-channel and/or wide area people bus or train route info-channel and described mobile unit, sets up radio communication with described car owner Mkey separately by local people car info-channel;
F. the roadside device radio frequency part is issued broadcast message by wide area people bus or train route info-channel and/or is sent control signaling, mobile unit distance reception signal in 120 meters scopes of roadside device also is waken up, and does corresponding pre-service work according to the control signaling request then; Simultaneously, vehicle checker and/or roadside device video section detect vehicle in real time, and provide detection and location data, host computer and/or roadside device to judge whether that comprehensively new vehicle enters the information fusion zone;
When G. vehicle enters the information fusion zone, the radio frequency part of roadside device is carried out high-speed radio authentication and information communication by Dedicated Short Range Communications, channel and/or local people car info-channel with the mobile unit that newly enters vehicle, and/or the radio frequency part of roadside device is carried out high-speed radio authentication and information communication by local people car info-channel and car owner Mkey; The video section of roadside device carries out the image candid photograph and vehicle characteristics information is carried out signature analysis, extraction, fusion, identification vehicle; Roadside device again will and car owner Mkey, mobile unit between the data message of radio communication gained and the vehicle characteristics information that video section obtains carry out fusion treatment;
H. described host computer real-time automatic collecting, analysis, processing are from the data of fusion that roadside device is analyzed; Host computer extracts, organizes data by business need, and upload to service application information center background system with the flowing water form through interfacing equipment according to the vehicle result.
Among the present invention, described roadside device can off-line working, and when off-line working, described step H can omit.
The present invention is based in the information processing method and system on intelligent transportation people, car, road of information fusion, comprise three kinds of nucleus equipments, be roadside device RSE, mobile unit OBE and car owner Mkey, also comprise conventional equipment such as interfacing equipment, host computer, vehicle checker and comprise service application information center of background system etc., below three kinds of nucleus equipments are elaborated.
(1) roadside device RSE1 or RSE2
Described roadside device RSE comprises public part, radio frequency part and video section.As shown in Figure 1:
Public part comprises man-machine interface processing unit 152, power supply module and lightning protection processing unit 18, Peripheral Interface communications processor element 151.
Man-machine interface processing unit 152 has comprised display screen, keyboard, and several parts of pilot lamp and hummer, display screen is used to show various environmental parameter settings and equipment work, debugs the interface; Keyboard is used to import the relevant information instruction; Pilot lamp is used for display device duty and alarm; Hummer is used for providing relevant prompting and warning with voice mode.
Power supply module and lightning protection processing unit 18 are RSE internal unit sources for distribution, owing to be installed on the open air, and therefore; as optimum, have power lightning protection and signal lighting protection, especially on external communication interface; as optimum, adopt single mode or multimode optical fiber communication interface.
Peripheral Interface communications processor element 151 is used for carrying out interconnectedly with external unit, comprises that TCP/IP, USB, UART and switching value IO etc. connect communication mode; The interface shape of network TCP/IP is suitable for broadband data communication, when especially having image file data to transmit, can improve transfer efficiency; USB relatively is suitable for the short distance wired data communication as a kind of high-speed computer peripheral communications interface of present main flow, as optimum, uses USB interface when RSE is carried out initialization; UART may adopt in some applications to some extent as a kind of more traditional wildcard equipment; Switching value IO is a kind of important commercial unit control interface, and external unit such as vehicle checker etc. can trigger RSE by the switching value form, and are same, also are to carry out field control by the switching value form to external unit such as light filling lamp etc.
In order to make RSE can satisfy the multi-level application demand of intelligent transportation, as optimum, the present invention adopts the modular system architecture design on the RSE architecture design, satisfy the various different application of intelligent transportation by different function combinations collocation, and make that RSE can be in conjunction with business characteristic in a variety of forms, as the mode of fixedly mounting is installed on track side or top or the ground, or acts on vehicle to move portable mode.
The radio frequency part of RSE comprises microprocessor 10, reaches SAM secure access unit 141, PSAM consumption safety access modules 142, Dedicated Short Range Communications, channel processing unit 11, local people car info-channel processing unit 12 and wide area people bus or train route info-channel processing unit 13 with microprocessor 10 wired connections.
Above-mentioned Dedicated Short Range Communications,, be mainly used in country and local ETC electronic charging at present, in order to realize compatibility, as optimum, the Dedicated Short Range Communications, channel processing unit of described RSE has 5.8GHz transceiver 111 and dual-mode antenna 112, and microprocessor is according to the work of country and local ETC electronic charging standard criterion control transceiver.
Above-mentioned local people car information, be to propose in order to overcome at present the deficiency in vehicle crew's informationization, in intelligent transportation system, the people is as most important participant, it is the important object in the transport informationization, vehicle will be realized current fast, unavoidably can run into personnel's rapid authentication problem.Based on card taking or the document of marching into the arena, appear on the scene and return the mode of affirmation at present, can cause artificial traffic bottlenecks, therefore,, use the mode of radio communication, solve personnel's authentication question, and when current, need not additionally increase manually-operated as far as possible as optimum to wagon flow.On local people car info-channel is selected, as optimum, use 2.45 or 5.8GHz frequency range, these two frequency ranges all possess good directionality, advantages such as communication range is controlled easily, high data throughput, therefore local people car info-channel processing unit of the present invention possesses 2.45GHz transceiver 121 and dual-mode antenna 122, maybe when using the 5.8GHz frequency range, and 5.8GHz transceiver 111 and dual-mode antenna 112 that shared described Dedicated Short Range Communications, channel processing unit 11 is comprised.
The 5.8GHz dual-mode antenna 112 of above-mentioned RSE and 2.45GHz dual-mode antenna 122 need as the case may be and adopt post spiral microwave antenna, micro-strip array antenna or electromagnetic horn.
Described wide area people bus or train route information, mainly be based on the highway section make on a large scale RSE can with the OBE of vehicular traffic between set up the point-to-multipoint remote-wireless and communicate by letter, carry out as important process such as signaling control, Information Access, public information issues, make board units OBE to make pre-service according to signaling, comprise information to the driver, therefore, as optimum, in channel selection, used transmittability stronger, also the ISM 433MHz frequency range in the general 300-928MHz frequency range of comparative maturity is as wide area people bus or train route info-channel; Wide area people bus or train route information process unit 13 of the present invention comprises 300-928MHz special frequency channel transceiver 131 and dual-mode antenna 132.
The video section of described RSE comprises flush bonding processor 20, and with the non-volatile data storage unit 16 of flush bonding processor 20 wired connections, expansion data storage unit 17, video signal processing unit 19.
Above-mentioned video signal processing unit 19 comprises video camera 191, two-way vision signal control treatment module 192 and light filling lamp 193.The vision signal of video camera 191 inserts two-way vision signal control treatment module 192 in the wired connection mode and carries out pre-service, and finally be flush bonding processor 20 processing accesses with the data mode, simultaneously, flush bonding processor 20 also can dynamically be adjusted the running parameter of video camera 191 according to on-the-spot light situation, the light filling lamp is also had collaborative open and close controlling, and these adjustment and control are all carried out by 192 pairs of video cameras 191 of two-way vision signal control treatment module and light filling lamp 193.
For improving the RSE handling property to satisfy real-time, accuracy requirement, want on-the-spot image is directly analyzed and handled, as optimum, flush bonding processor is selected monokaryon or multi-core DSP digital signal processor, or multi-core DSP+arm processor, or arm processor.
Described light filling lamp 193 is metal halid lamp, visible light LED lamp or infrared light LED lamp.
Described video section is aspect video identification, can detect vehicle, track and localization vehicle, vehicle characteristics information is provided; Vehicle characteristics information includes but not limited to: the headstock local message, as: headstock characters on license plate, color formation, textural characteristics, installation site, headstock car mark; Tailstock local message, as: tailstock characters on license plate, color constitute; Headstock overall picture information, as: the headstock windshield comprised in interior headstock textural characteristics, color formation, vehicle.Described car plate is including but not limited to China's Mainland, Hong Kong, Macao, Taiwan vehicle license plate; Described vehicle characteristics information as optimum, is the weight limit characteristic component with the characters on license plate and the car plate background color of high confidence level, and is supporting with headstock overall picture characteristic component, constitutes the characteristic information of vehicle jointly.
If described RSE is equipped with radio frequency part and video section simultaneously, then the former microprocessor 10 and the latter's 20 wired linking to each other of flush bonding processor, and man-machine interface processing unit 152 and Peripheral Interface communications processor element 151 only with 20 wired linking to each other of video section flush bonding processor; If radio frequency part is only arranged, man-machine interface processing unit 152 and Peripheral Interface communications processor element 151 and 10 wired linking to each other of radio frequency part microprocessor; Described RSE can efficiently finish effective fusion of radio communication and video identification data in inside to the acquisition process of information of vehicles.
Described RSE, pass through Dedicated Short Range Communications, channel and/or local people car info-channel and/or wide area people bus or train route info-channel and mobile unit OBE radio communication in conjunction with special-purpose PSAM142 of ETC and/or built-in SAM1 secure access unit 41, also can pass through the independent and car owner Mkey radio communication of local people car info-channel.
Described RSE is by the special-purpose PSAM consumption safety of equipment ETC access modules, can support country and local various ETC application, can support the various characteristics of other intelligent transportation application to use based on the internet by equipping built-in SAM based on two interface electronic charging IC-cards.
Described DSRC Dedicated Short Range Communications, and double-interface IC card, meet country and local ETC electronic charging series standard standard, RSE all builds on PSAM consumption safety access modules and the ESAM embedded-type security access modules basis its security guarantee of all operations of double-interface IC card by OBE.
Described SAM secure access unit, be a kind of with carry out based on the internet various intelligent transportation business be principal character, be exclusively used in the efficient public security system that solves people, car, road authentification of message and data communications security problem, separate with special-purpose PSAM of ETC electronic charging or ESAM.Be specially: the infrastructure that uses public-key PKI frame system comes managing keys and certificate, carry out authentication and public key management by the digital certificate of issuing by the ca authentication center, by digital signature guarantee communication data can not distort with undeniable, guarantee authenticity, integrality and the confidentiality of local people car info-channel and wide area people bus or train route info-channel communication data by symmetry and asymmetric cryptographic algorithm.Aspect security performance, as optimum, symmetric cryptographic algorithm uses but is not limited to AES, or 3DES; Asymmetric cryptographic algorithm uses but is not limited to ECC, or RSA, or DSA; Digital signature is used but is not limited to SHA-1 or MD5 hashing algorithm.
Described RSE comprises non-volatile data storage unit 16 and expansion data storage unit 17, can preserve by support program, supports the vehicle list control and management of magnanimity, rate scale management to preserve with transaction record, and can off-line working.
Can on the safety guarantee basis of built-in SAM secure access unit, carry out wireless communication network between described RSE and the RSE by local people car info-channel or wide area people bus or train route info-channel.
Three channel radio communications of described RSE all have the anticollision settlement mechanism.
Adopt civil power or solar powered when its fixed installation of described RSE is used, it both can adopt civil power when moving portable use, also can use rechargeable battery.
(2) mobile unit OBE3
As shown in Figure 3, mobile unit OBE3, comprise microprocessor 30, and detect communication module 39, ESAM embedded-type security access modules 382, local people car info-channel processing unit 32, wide area people bus or train route info-channel processing unit 33 and SAM secure access unit 381 with microprocessor 30 wired high-speed computer peripheral interface communication units 34 that link to each other, expansion data storage unit 35, man-machine interface processing unit 36, dismounting detection and power supply unit 37, Dedicated Short Range Communications, channel processing unit 31, double-interface IC card interface.
Described Dedicated Short Range Communications, channel processing unit 31 comprises that 5.8GHz transmitter 311, emitting antenna 312,5.8GHz receive and wake up device 313 and receiving antenna 314; Described local people car info-channel processing unit 32 comprises 2.45GHz transceiver 321 and dual-mode antenna 322, and maybe the 5.8GHz transmitter 311 that shared Dedicated Short Range Communications, channel processing unit 31 is comprised when using the 5.8GHz frequency range, emitting antenna 312,5.8GHz receive and wake up device 313 and receiving antenna 314; Described wide area people bus or train route info-channel processing unit 33 comprises the transmitting-receiving of 300-928MHz special frequency channel and wakes device 331 and dual-mode antenna 332 up; As optimum, the ISM 433MHz frequency range in the use 300-928MHz frequency range is as wide area people bus or train route info-channel; Described man-machine interface processing unit 36 comprises display screen, keyboard, pilot lamp and buzzing or speech sound device; Described high-speed computer peripheral interface communication unit 34 is USB, TCP/IP or UART communication interface, as optimum, uses USB interface when OBE is carried out initialization.
The described OBE of stating is fixedly installed in the vehicle front windshield, and is unique corresponding with vehicle, and has dismounting to detect and low-voltage detection alarm mechanism.When having detected dismounting behavior generation, microprocessor 30 can be done relative recording and processing; Described OBE is an active equipment, adopts powered battery, and the function of not losing the key operation supplemental characteristic when having power down; Owing to use powered battery, therefore when supply voltage arrived critical conditions, microprocessor 30 can use sound/light type of alarm prompting driver be handled.For extending battery life, as optimum, OBE has the wake-up circuit design for 5.8GHz frequency range and 300-928MHz special frequency channel, after having finished the relevant information processing with RSE, changes dormant state immediately over to.
Described OBE both can pass through Dedicated Short Range Communications, channel, local people car info-channel, wide area people bus or train route info-channel and roadside device RSE radio communication, communicate by letter with double-interface IC card by wired contact or wireless noncontact mode, also can communicate by letter with car owner Mkey wired connection by high-speed computer peripheral interface communication unit 34, or by local people car info-channel and car owner Mkey radio communication.
Described OBE can support country and local various ETC application based on two interface electronic charging IC-cards by the special-purpose ESAM embedded-type security of equipment ETC access modules 382; Can support the various characteristic intelligent transportation in other common application field to use by equipping built-in SAM secure access unit 381; By wide area people bus or train route info-channel processing unit 33 in conjunction with special-purpose ESAM382 of ETC and/or built-in SAM381, can with the RSE telecommunication that wide area people bus or train route info-channel processing unit is installed;
The built-in SAM381 that uses at the common application field in the described OBE, can support multiple business to use, each application is preserved with document form, and comprising application required key and miscellaneous service data, its total length is fixed, except unified file header format parameter, allow the owner according to the self-defined remaining file content of professional characteristic separately, each service application is independent separately, and data encryption can not be read or revise mutually.Therefore,, can realize electronic safe storage and upgrade the information paper that various characteristic intelligent transportation are used, include but not limited to: the motor vehicle sign that is up to the standards as optimum; Highway set-fees such as vehicle and vessel tax, tunnel toll, road toll, urban construction expense, the cross-bridge-expense proof of paying the fees; The environmental protection group indication; The compulsory insurance sign; Various forms of annual tickets, season ticket, monthly ticket etc.
(3) car owner Mkey6
As shown in Figure 4, car owner Mkey6, comprise microprocessor 60, reach and microprocessor 60 wired high-speed computer peripheral interface communication units 63 that link to each other, man-machine interface processing unit 64, power supply unit 65, SAM secure access unit 66, local people car info-channel processing unit 61 and wide area people bus or train route info-channel processing unit 62; Described local people car info-channel processing unit 61 comprises 2.45GHz transceiver 621 and dual-mode antenna 622, or 5.8GHz transceiver 621 and dual-mode antenna 622; Described wide area people bus or train route info-channel processing unit 62 comprises that the 300-928MHz special frequency channel wakes device 631 and receiving antenna 632 up; As optimum, the ISM 433MHz frequency range in the use 300-928MHz frequency range is as wide area people bus or train route info-channel; Described man-machine interface processing unit 64 includes but not limited to: keyboard, pilot lamp, display screen, buzzing or speech sound device; Described high-speed computer peripheral interface communication unit 63 is USB, TCP/IP or UART communication interface, as optimum, uses USB interface when car owner Mkey6 is carried out initialization.
Described car owner Mkey aims at the car owner and the authorized person is equipped with, in the present invention, as optimum, the current authority of authentication fast and safely, the car owner's online that the car owner utilizes Mkey both to can be used as closed vehicle management zone driver does not have an operation bidirectional carried out the authentication instrument of information processing, also be can be used as a kind of security information carrier of characteristic intelligent transportation business; Described RSE and car owner Mkey can use the local people car info-channel based on built-in SAM secure access unit 66 to carry out data acquisition in high-speed radio authentication communication and the car; Described Mkey can connect various data acquisition equipments in the car by high-speed computer peripheral interface 63; Described car owner Mkey is an active equipment, adopts powered battery.
Among the present invention, described vehicle checker 4,41,42 or 43 comprises ground vehicle checker, video vehicle checker, microwave vehicle checker, infrared vehicle checker or ultrasound wave vehicle checker, and the selection utilization to vehicle checker will depend on the requirement of bearing accuracy and response time to make preferably.Various data acquisition equipments 96 in the described car include but not limited to: personnel's biometric authentication device, vehicle GPS driving path registering instrument, vehicle ' event detection and registering instrument.Described interfacing equipment 82, including but not limited to network router, signal converter, power supply for joining etc.; Interfacing equipment 82 has connected roadside device RSE, host computer 81, vehicle checker and ETC and other common application field service application information center background system in wired mode.
Among the present invention, described each wide area people bus or train route info-channel processing unit is meant the wireless radiofrequency communication distance in 120 meters scopes when interacting, and described each local people car info-channel processing unit is meant that the wireless radiofrequency communication distance is in 30 meters scopes when interacting; Therefore, " wide area " named and " local " implication in the present invention are different with usually said LAN (Local Area Network) and wide area network.
For the information processing method that cooperates the intelligent transportation people that the present invention is based on information fusion, car, road and system in intelligent traffic administration system each side extensively and unified the application, propose the distributing method of cover OBE, Mkey (comprising car owner Mkey and owner Mkey) and RSE, the hardware device that this distributing method relates to comprises RA/CA registration/authentication center and programming machine, OBE, car owner Mkey, owner Mkey and copy, RSE and host computer thereof, Net-connected computer, service application information center and programming machine thereof.Before specifying described distributing method, introduce owner Mkey down earlier:
As shown in Figure 5, owner Mkey7 comprises microprocessor 70, and communicates by letter and power supply unit 71 man-machine interface processing unit 72, SAM secure access unit 73 with microprocessor 70 wired high-speed computer peripheral interfaces that link to each other; Described man-machine interface processing unit 72 includes but not limited to: keyboard, pilot lamp; Described high-speed computer peripheral interface communication unit 71 is USB, TCP/IP or UART communication interface, as optimum, uses USB interface when owner Mkey is carried out initialization; Above-mentioned owner Mkey aims at various characteristics and uses owners and be equipped with, as optimum, owner Mkey both can be on based on the business platform of B/S, C/S authentication car owner identity, carry out safe and secretly communicating by letter, also can being used for business initializtion RSE with car owner Mkey; Described owner Mkey is an inactive component, provides electric energy by being connected by computing machine with computing machine.
Described distributing method comprises five big steps:
Step 1, RA/CA initialization OBE, Mkey and RSE:
1) for blank OBE: the original msu message that dispatches from the factory that accesses this OBE among the RA of registration center, wired the linking to each other of high-speed computer peripheral interface of programming machine with OBE by the CA of authentication center, based on collaborative uniqueization of finishing device id number of public key cryptography, PKI public affairs/private key to the making of the generation of, maintenance key, encryption key, authenticate key etc., digital certificate with issue, a series of activities such as foundation of file system;
2) for blank car owner Mkey: the original msu message that dispatches from the factory that accesses this Mkey among the RA of registration center, Mkey is inserted high-speed computer peripheral interface on the CA of the authentication center programming machine, based on collaborative uniqueization of finishing device id number of public key cryptography, PKI public affairs/private key to the making of the generation of, maintenance key, encryption key, authenticate key etc., digital certificate with issue, a series of activities such as the foundation of file system, default acquiescence online password PIN;
3) for blank owner Mkey: access the relevant registration data of this owner among the RA of registration center and the original msu message that dispatches from the factory of this Mkey, Mkey is inserted high-speed computer peripheral interface on the CA of the authentication center programming machine, based on collaborative uniqueization of finishing device id number of public key cryptography, use ID number uniqueization, PKI public affairs/private key to the making of the generation of, maintenance key, encryption key, authenticate key etc., digital certificate with issue, a series of activities such as foundation of file system; Distinguishingly, so the present invention understands special copy of supporting making simultaneously conveniently to carry out B/S or C/S service application to owner Mkey;
4) for blank RSE: the original msu message that dispatches from the factory that accesses this RSE among the RA of registration center, wired the linking to each other of high-speed computer peripheral interface of programming machine with RSE by the CA of authentication center, based on collaborative uniqueization of finishing device id number of public key cryptography, PKI public affairs/private key to the making of the generation of, maintenance key, encryption key, authenticate key etc., digital certificate with issue, a series of activities such as foundation of file system.
The private key of the above OBE, Mkey, RSE among all unique built-in SAM that is present in equipment separately, and can not be read out.
During the built-in SAM secure access unit of the local fixing or portable RSE of owner's initialization, owner Mkey is inserted the high-speed computer peripheral interface of service application information center programming machine, use the ca authentication programming software, select security strategy, dispose correlation parameter voluntarily, can realize the information synchronization and the parameter downloads of RSE and this business application system, finish the initialization of RSE, finish the business initializtion of owner Mkey synchronously; Then, owner Mkey copy is inserted programming machine high-speed computer peripheral interface, this copy is made professional application initializes, the owner is fixedly installed in the Mkey copy in the information center based on B/S or C/S business platform again after finishing, to support carrying out two-way authentication and coded communication with car owner Mkey.Owner Mkey original is kept properly by the owner.
1) car owner default two PIN on the OBE that newly purchases, the one, OBE operator password password PIN is used for the car owner binding of car owner Mkey or its copy is enabled or abrogated; The 2nd, the car owner uses Mkey to land the online password password PIN of other common application operation system.PIN configures the back by the automatic encrypting storing of OBE.The setting of these two PIN must be operated, write down and be kept properly by the car owner;
2) car owner (or proprietor attendant) inserts the Mkey that newly purchases the high-speed computer peripheral interface of OBE, after the car owner imports correct operation PIN, OBE launches mutual security certification immediately with Mkey and communicates by letter, if OBE judges the binding characteristic information of this Mkey without any OBE, then set up binding with Mkey.OBE finishes the initialization bindings with Mkey automatically, including but not limited to: exchange both sides' device id and digital certificate, car owner the surf the Net informative abstract of PIN, both sides' encryption key etc.;
3) car owner (or proprietor attendant) presses the OBE installation method, correctly is installed in OBE on the headstock windshield and fixes.
Step 4, service application initialization OBE:
1) car owner (or proprietor attendant) inserts Net-connected computer to Mkey, the car owner imports correct online PIN, can carry out related services such as both sides' identity legitimacy authenticates mutually between owner Mkey copy and the car owner Mkey, the car owner registers, data is put on record.Data is put on record and depended on service needed to include but not limited to: the fax document of documentary evidence original paper or electronic pictures, other electronic identification document, friendship money prove, funds transfer proves, the car owner must show inspected original paper detail etc. when carrying out in-place activation.After the backstage personnel finish tentatively appraising and deciding of related data, can set up people's car information first trial dossier, both sides sign electronics contract p.m.entry; Before and after the contract p.m.entry signing, both sides carry out the information security exchange transmission, include but not limited to: both sides' Mkey-ID and digital certificate, owner use ID, OBE-ID and digital certificate, encryption key, owner to the first trial vehicle load information of OBE etc.;
2) car owner (or proprietor attendant) inserts OBE to car owner Mkey again, OBE judges the associated encryption certification works such as legitimacy of Mkey automatically, and safe load information is finally finished the initialization procedure of OBE on this service application to the respective application file system.
Annotate:,, utilize the default password online of itself presetting to carry out this step 1) and get final product then for new car owner Mkey if this service application only authenticates the car owner and do not authenticate vehicle.
Be divided into two kinds of situations:
1) if above-mentioned steps three and step 4 self-service the finishing that be the car owner, when then on the track, using electronic system first, must authorized track management operator on duty do the site inspection affirmation, confirm that item comprises whether first trial information, the original paper and the OBE that have pointed out the car owner on-the-spot to show correctly are in place.If all are checked project and all pass through, or the project of appraising and deciding is variant, can do on-the-spot the correction by owner's regulation, revises the back and prints or hand filling written contract and invoice, and the car owner can activate now system applies after signing and accepting; If the scene is checked project gross differences is arranged, then can not do system's activation when inferior, the car owner must repeat above step 4.Above activation must be uploaded service application information center to process record information (containing headstock information picture) and put on record regardless of success or not; The above-mentioned scene that relates to revise with the method for upgrading OBE application file content including but not limited to: 1, by host computer and car owner Mkey; 2, by RSE and host computer thereof;
2) if above step 3 (except the 1st) and step 4 be the proprietor attendant use online or device processes such as the portable RSE of off line under finish smoothly, after then installing OBE, the proprietor authorized person just can activate the system applies of this car subsequently on this operation system.The installation activation recorded information of OBE (containing headstock information picture) is uploaded service application information center and is put on record.
In the common application field, just load onto in registration authentication and the application service of OBE, car owner Mkey is the bridge between service application information center and the OBE; In follow-up use, if will landing, the car owner use related service application system (B/S or C/S framework) when carrying out personal information processing, both sides' Mkey can play the effect of authentication and data enciphering/deciphering engine; The car owner can generate a plurality of car owner Mkey copies by OBE, giving other authorized persons this copy then uses, but these Mkey copies are only for related personnel's usefulness during fast current authentication track in application-specific, can not use legal car owner's authentication when landing the related service system.In like manner, owner Mkey is unique corresponding with this owner's service application, by the RA of registration center registration and authorize CA certificate, owner Mkey is used for business initializtion RSE and owner Mkey copy, and fixing use of owner Mkey copy is used for authenticating mutually with car owner Mkey at the business information center.
Independent separately in order to guarantee business, act in accordance with the division of their functions and duties, the car owner use Mkey in certain business application system, finish voluntarily all open register formality after, before normal use electronic system, must confirm via the associated authorization job responsibility personnel site inspection of this service application unit, all check project all by and confirm that OBE is correctly installed, can activate use.
When the car owner needs to increase the ETC service item on existing common application project, because the double-interface IC card interface detection communication module that OBE has pre-installed the special-purpose ESAM embedded-type security access modules of national and local ETC and matched, the event car owner only must be directed to given place by being correlated with and handle relevant formality, and provides the initialization distribution service of OBE to get final product by the ETC professional service staff; If the car owner uses OBE of the present invention under the situation that existing ETC uses, when needing to increase other common application service item, then directly use Mkey of the present invention, handle getting final product by the flow process of above-mentioned steps four, five, thereby well realized comprising the seamless combination of the miscellaneous service of ETC.
In the methods of the invention, both embodied the advantage of traditional OBU issuing way, also self-service by the car owner, the mode of setting up successive check has greatly remedied the deficiency of traditional OBU design and distribution aspect.
The present invention is based on intelligent transportation people, car, the information processing method on road and the various aspects that system can be applicable to modern intelligent traffic administration system of information fusion, substantially be: one, closed vehicle management, two, multilane free flow toll administration, three, ambiguity path identification toll administration.
Embodiment one, closed vehicle management
Closed management is carried out in vehicle parking zone in the city mostly, and following common ground is arranged: 1, the fixed-line subscriber vehicle occupies certain proportion, and the car owner generally uses the prepayment mode to buy year, season, monthly ticket/card, and the part vehicle has fixedly parking stall; 2, must get the IC-card or the voucher of marching into the arena during all the other interim vehicle admissions, return during appearance; General back pair of mode using the timing monetary charge; 3, all will stop to carry out artificial treatment in fixed vehicle and interim vehicle turnover field.
In order to overcome the traffic bottlenecks phenomenon that artificial treatment is brought, improve vehicle management usefulness, the present invention is directed to the above characteristics of closed vehicle management, following specific implementation method is arranged, be specially:
Carry out the intelligent transportation service application based on the internet, by distribution based on OBE, Mkey, the RSE of Public Key Infrastructure PKI, make each participant of intelligent transportation have one be easy to use, safe and reliable common platform.
Shown in Fig. 1,6 and 7, in ETC and other common application field, to carry out the intelligent transportation business and must possess business information center 99, this center can be an Internet portal website of owner unit, also can be a operating system, also may have both at the same time based on in-house network Intranet.Owner Mkey copy 7 of the present invention is installed on the server end of service-oriented, when the user inserts car owner Mkey6 on the high-speed computer peripheral interface of Net-connected computer 85, and enter service application website when service application, both sides are deployable handshake authentication, and can use ca authentication center 98 to carry out identity and differentiate.The present invention carries out authentication and public key management by the digital certificate of being issued by the ca authentication center, by digital signature guarantee communication data can not distort with undeniable, guarantee authenticity, integrality and the confidentiality of communication data by symmetry and asymmetric cryptographic algorithm.
Because car owner Mkey aims at the car owner and is equipped with, both having can be used as closed vehicle management zone fast and safely authenticates current authority, surfs the Net and carry out the authentication instrument of information processing and the information carrier of handling various intelligent transportation business, therefore, car owner Mkey carries out in the process in the whole service system, can play important effect.
Fig. 6 is the closed vehicle management field apparatus of an one-in-and-one-out layout, and RSE1 is installed near the barrier machine, and the per car road is equiped with a vehicle checker 4, about 6 meters of its axis and railing distance; Host computer 81 and equipment interface 82 are installed in the tollbooth; Background system 100 is installed in the service application information center 99.The wide area people bus or train route info-channel of RSE1 acts on approach area road junction wheel and changes jobs with broadcasting public information and control signaling, remaining channel acts on this zone, track between vehicle checker 4 and the railing, and the zone, track that video section acts on beyond the vehicle checker 4 is used for video frequency vehicle detection and car plate identification.
RSE2 among Fig. 6 in special applications, is used for fixing the parking stall management.RSE2 is installed on fixedly on the ground, parking stall, or the top, parking stall, or near the tailstock; This RSE2 does not have video section, is a kind of minimum system with RSE of built-in SAM, preestablishes the OBE and/or the car owner Mkey authentication information of this parking stall by interface; Vehicle checker 4 converts switching value signal triggering RSE2 work to by interfacing equipment 82.When vehicle checker 4 has detected vehicle parking on fixing parking stall the time, RSE2 wakes OBE and/or car owner Mkey in the car up by wide area people bus or train route info-channel, and carry out authentication communication subsequently, if do not receive in the stipulated time with RSE2 in default the list OBE and/or the Mkey that are complementary, then on-the-spot sound and light alarm, and/or the warning of wireless channel networking backstage, and/or by being typically wire connected to the host computer warning.
The present invention is directed to the characteristics of closed vehicle management,, following concrete treatment scheme arranged, be respectively for vehicles passing in and out:
(1) information pre-service process
1) the RSE radio frequency part sends control signaling by wide area people bus or train route info-channel, to the vehicle broadcasting residue parking stall number of marching into the arena; Video section detects vehicle in real time;
2) vehicle checker detects vehicle in real time, and the state variation data are sent to RSE and host computer;
3) RSE and host computer collection, analysis data;
4) if do not find that new vehicle enters corresponding circle of sensation, then return this step 1);
5) distribute serial number and create a blank flowing water for newly entering vehicle;
6) be parameter with new flowing water, create and active information fusion process;
7) return this step 1).
(2) information fusion process (entrance lane)
1) the RSE video section is captured the vehicle photo site and is discerned car plate;
2) after OBE is waken up, select communication channel to reply RSE; After car owner Mkey is waken up, initiate authentication communication by local people car info-channel and RSE;
3) RSE and OBE authenticate mutually; RSE and car owner Mkey authenticate mutually;
4) host computer image data, combine list is judged the validity of authentication information;
5) if authenticate invalidly, change this step 9) over to;
6) if not the electronic charging vehicle, change this step 10) over to;
7) RSE writes inlet information to OBE or electronic charging IC-card;
8) if write success, change this step 10) over to;
9) artificial treatment;
10) clearance vehicle called wagon flow water and generated process;
11) entrance lane information fusion process finishes.
(3) information fusion process (exit lane)
1) the RSE video section is captured the vehicle photo site and is discerned car plate;
2) after OBE is waken up, select communication channel to reply RSE; After car owner Mkey is waken up, initiate authentication communication by local people car info-channel and RSE;
3) RSE and OBE authenticate mutually; RSE and car owner Mkey authenticate mutually;
4) host computer image data, combine list is judged the validity of authentication information; Make comparisons according to the license board information that the identical license plate recognition result in gateway and OBE read, checking OBE has not dismounting displacement;
5) if authentication or verify invalidly changes this step 9) over to;
6) if not the electronic charging vehicle, change this step 10) over to;
7) RSE reads inlet information from OBE or electronic charging IC-card, and deducts fees according to rate scale;
8) if deduct fees successfully, change this step 10) over to;
9) artificial treatment;
10) clearance vehicle called wagon flow water and generated process;
11) exit lane information fusion process finishes.
(4) flowing water generates process
1) the candid photograph picture and the recognition result of taking-up RSE video section;
2) take out RSE radio frequency part authentication result information;
3) take out the track relevant information, encode, land job number, release manner and time, non-conformance description etc. as the track;
4), take out the Transaction Information of deducting fees at exit lane for the electronic charging vehicle;
5) host computer is according to above method, this car complete stream biography business information waterborne center background system;
6) cross the outlet of wagon flow water generation process.
Above vehicle treatment scheme is most preferred embodiment of the present invention.To driver's authentication and season in fixed vehicle year the monthly ticket vehicle authentication and antitheft on, especially have each side advantages such as quick, safe, reliable, can satisfy the various requirement of closed vehicle management.
Embodiment two, multilane free flow charging method
As shown in Figure 8, preceding portal frame 87, back gantry 88 are across free flow each bar track of charging; Every the track all is equipped with preceding ground vehicle checker 41, middle ground vehicle checker 42, and every track is installed with preceding RSE1 on preceding portal frame 87, and it mainly is made of video section that comprises the light filling lamp and radio frequency part.A Wide-area Measurement Information of utilizing wide area people bus or train route info-channel to communicate by letter with the OBE3 remote-wireless is installed on preceding portal frame 87 simultaneously handles RSE5, it mainly contains radio frequency part, is used for waking up at a distance OBE3 with control channel or broadcasting public information; Every track is installed with back RSE2 on back gantry 88, and it is made of video section and the radio frequency part with the light filling lamp not.The radio frequency part of RSE1, back RSE2 is by the OBE3 radio communication on Dedicated Short Range Communications, channel and the driving vehicle 91 headstock windshield before the track, and video section carries out Video Detection identification to driving vehicle 91; Electronic charging IC-card 391 links to each other with OBE3 with contact (ISO7816) or contactless (ISO14443).In addition, be installed with roadside device cabinet 80 in the roadside, host computer 81 and supporting interfacing equipment 82 are housed in the cabinet.
As shown in figure 12, all RSE all insert in the interfacing equipment 82 of roadside device cabinet 80 with wired TCP/IP or UART aspect, realize and 81 wired linking to each other of host computer, also realize the wired real-time synchronous communication of identical track front and back RSE simultaneously; In addition, host computer 81 also links to each other with service application information center 99 networks by interfacing equipment 82; All ground, track vehicle checker signals all insert in the interfacing equipment 82 of roadside device cabinet 80 the insides, and are transferred to by interfacing equipment 82 among the RSE and host computer 81 in corresponding track.Host computer 81 gathers each track RSE collection in worksite data and analysis processing result is uploaded backstage service application information center 99 with the flowing water form on the one hand; On the other hand, also dynamically receive the steering order or the lastest imformations such as charge vehicle list and rate scale of the background system 100 in the service application information center 99, and may command, be distributed to each RSE.
Among Fig. 9, the signal zone of action of on-the-spot each equipment in track, with the middle lane is example, among the figure from left to right, the radio frequency take-over zone of the video car plate cog region of the radio communication district of the video frequency vehicle detection zone (being funnel type) of RSE1 video section effect, preceding ground vehicle checker 41, middle ground vehicle checker 42 coefficient vehicle fine positioning districts, the effect of preceding RSE1 radio frequency part, back RSE2 video section effect, back RSE2 radio frequency part effect amounts to five zones before being divided into, and wherein middle three zones are overlapped within the 6 meters scopes in this track substantially.Except overlapping as the pretreated video frequency vehicle detection zone of vehicle and track, the left and right sides, other zone all only limits to this track; The RSE radio frequency part zone of action, front and back is not overlapping, and the middle transition band adopts the directed microwave antenna of high-gain to guarantee not have neighboring trace to crosstalk greater than 3 meters.Vehicle checker 41 axis in ground were start line in the past, start line and middle ground vehicle checker 42 wheelbases be 4 meters, with preceding gantry 87 wheelbases be 8 meters, with back gantry 88 wheelbases be 18 meters, above physical size can be referring to Figure 10.
According to information processing basic process, above-mentioned first zone of action is divided into the information pretreatment zone, the information fusion zone is merged in middle three zones of action, and last is divided into the information candidate areas.These three regional interactions are guaranteed uniqueness, integrality and the accuracy of free flow vehicle toll.
In above-mentioned information fusion zone, having used based on ground car test, video car test is the vehicle checking method of assisting, and enters into headstock from headstock and leaves, and changes and the car plate recognition and tracking by the vehicle checker signal, can realize vehicle location accurately.Simultaneously, owing to be no more than 6 meters before and after this zone, can only hold a complete vehicle at most, so information processing possesses uniqueness; During this period, before RSE radio frequency part and OBE authenticates and data communication, and real-time and back RSE sets up synchronously, the normalization character that RSE video section candid photograph picture split before the video section of back RSE used further promotes the recognition success rate of its corresponding character to be identified, obtaining the license plate recognition result of high confidence level, thereby guaranteed integrality and the accuracy that information of vehicles is handled.
Now in conjunction with Fig. 9, Figure 11, describe the processing procedure that the vehicle free flow is charged in detail with one of them track, all the other each roads roughly the same.The designed processing procedure of the present invention is supported concurrent event, and four processes are arranged sequentially, is respectively: information pre-service process, and the information fusion process, information candidate process and transaction journal generate process.
(1) information pre-service process
1) preceding RSE video section detects in real time and follows the tracks of the pretreatment zone vehicle, and locator data is provided; If identify the modified line vehicle, provide the picture of capturing violating the regulations simultaneously;
2) preceding, middle ground vehicle checker detects vehicle in real time, and the state variation data are sent to RSE and host computer;
3) RSE and host computer collection, analysis data;
4) do not enter corresponding circle of sensation if find new vehicle, then return this process 1);
5) handle the information that enters: vehicle is violating the regulations or normal, if violating the regulations entering keeps picture violating the regulations with the flowing water annex of transacting business;
6) for newly entering the blank flowing water that vehicle distributes serial number and creates the information that enters more than the band;
7) be parameter with new flowing water, create and active information fusion process;
8) return this process 1).
(2) information fusion process
1) preceding RSE video section is captured picture and is discerned car plate, provides the license plate recognition result of capturing picture and containing degree of confidence to give over to candidate;
2) preceding RSE radio frequency part and OBE conclude the business by radio communication, and real-time and back RSE radio frequency part is set up presynchronization;
3) RSE video section locking in back enters vehicle, and the track and localization data are provided; Capture picture and discern car plate, the license plate recognition result that contains degree of confidence is provided;
4) host computer collection, analysis data if vehicle headstock does not leave corresponding circle of sensation, are then returned this process 2);
5) if preceding RSE and OBE communication failure or transaction are not finished, then create and active information candidate process;
6) operation timing in 1 second is set, with completion information.Timing arrives, then finish the cross review of data after, call transaction journal and generate process;
7) the information fusion process finishes.
(3) information candidate process
1) back RSE radio frequency part is provided with correlation parameter according to the presynchronization result with preceding RSE;
2) back RSE radio frequency part and OBE shakes hands by radio communication and stateful transaction is confirmed;
3) if do not finish and regularly do not arrive in 1 second when time transaction, then back RSE radio frequency part and OBE continue to finish transaction by radio communication, otherwise ending message candidate process;
4) return this process 3).
(4) transaction journal generates process
1) to forward and backward RSE video section, car plate identification net result is got the highest picture of degree of confidence and identification character, and the vehicle snapshot picture is taken from preceding RSE;
2) to forward and backward RSE radio frequency part, transaction data is taken from preceding RSE, and the completion information that preceding RSE transaction is not finished is taken from back RSE radio frequency part;
3) host computer is according to above choice method, this car complete stream breath center of delivering a letter waterborne;
4) transaction journal generation process finishes.
Above free flow charge treatment scheme can satisfy the requirement of free flow charge rapidity, completeness, accuracy, reliability, robustness.
This method has the following advantages:
1. high efficiency: because most computing is all directly finished in the flush bonding processor in the RSE of front and back and the microprocessor in the information fusion process, avoid in the operation process a large amount of concurrent data to pour into the adverse effect that host computer causes, thereby improved the treatment effeciency of free flow charge.
2. integrality: owing in real time synchronous basis, used the radio frequency relay, made the transaction processing time lengthening one times, the transaction that preceding RSE does not finish can be finished in the information candidate areas by back RSE, has guaranteed effectively finishing of the current transaction of high speed moving vehicle.In addition, for the vehicles peccancy in the interim cross-line lane change of vehicle line toll pretreating zone, preceding RSE video section can detect identification, but and flowing water upload background process; These have all guaranteed the complete of free flow pay imformation.
3. accuracy: because in the information fusion zone, multiple information fusion means have been used, therefore information of vehicles is handled and can be realized accurately control, transaction processing can be unique corresponding with current locking vehicle, the possibility that fastening one person's story upon another person appears in the data of car transaction journal excessively that generate is close to zero, thereby has guaranteed the accuracy of charge transaction.
4. reliability: aspect the RSE radio communication relay of front and back, adopted the directed microwave antenna of high-gain, and the middle transition zone is greater than 3 meters, this method can effectively be avoided co-channel interference, thereby guarantees that the electronic charging transaction can reliably realize; Aspect front and back RSE radio frequency detection identification, owing to be no more than 30 meters before and after its reach, and also multiple angles is used in identification to car plate, so extraneous various adverse effects can be reduced to minimum; In addition, equipment disposition is unit with the track, and ground car test and video car test act on simultaneously, complement each other, and one of them is malfunctioning, also is unlikely to lose the triggering control signal, thereby can guarantee that system is round-the-clock runs without interruption.
Embodiment three, ambiguity path identification toll administration
The enforcement ambiguity path is discerned, and charge with above-mentioned multilane free flow has roughly the same more, and the equipment disposition in repeating part such as information pretreatment zone and information fusion zone does not describe in detail at this, now main newly added equipment and implementation method is described as follows:
Shown in Figure 13-15, at each ID of trace route path point foundation and the identical system equipment of above-mentioned multilane free flow are installed, increase ground vehicle checker 43 of installation in every track and start line wheelbase 15-20 rice, every track just has preceding ground vehicle checker 41, middle ground vehicle checker 42 and ground, back vehicle checker 43 like this; Simultaneously, the also newly-increased video camera in every track inserts the second road video inputs mouth of RSE1 video section before this track, in order to discern vehicle afterbody car plate.Like this, the vehicle fine positioning district and the preceding RSE1 extending video video camera zone of action by ground, back vehicle checker 43 constitutes an extend information candidate areas jointly.
In above-mentioned extend information candidate areas, having used based on ground car test, video car test is the vehicle checking method of assisting, and enters into the tailstock from the tailstock and leaves, and changes and the car plate recognition and tracking by the vehicle checker signal, can realize vehicle location accurately.Simultaneously, owing to be no more than 6 meters before and after this zone, can only hold a complete vehicle at most, so information processing possesses uniqueness; During this period, the second road extending video extract real-time tailstock local feature information of preceding RSE video section, and merge obtaining the license plate recognition result of high confidence level, thereby integrality and accuracy that information of vehicles is handled have been guaranteed with headstock local feature that back RSE video section provides.
As shown in figure 16, in ID of trace route path point, Wide-area Measurement Information is handled preceding RSE1 on RSE5 and every the track, afterwards RSE2 inserts interfacing equipment 82 in the roadside device cabinet 80 in wired mode, and the wired connection mode is including but not limited to network TCP/IP and UART; Host computer 81 and backstage service application information center 99 insert in the interfacing equipment 82 in the roadside device cabinet 80 in cable network TCP/IP mode too; Wide-area Measurement Information is handled the OBE3 radio communication of RSE5 with 91 li on wide area people bus or train route info-channel and ETC vehicle; Before the OBE3 radio communication of radio frequency part by 91 li on Dedicated Short Range Communications, channel and ETC vehicle of RSE1 and back RSE2, video section carries out Video Detection and identification to ETC vehicle 91 and MTC vehicle 90; Electronic charging IC-card 391 links to each other with OBE3 with contact (ISO7816) or contactless (ISO14443).
At the ETC of charge station exit lane, according to country and local electronic charging series standard standard, installation has the roadside device RSE of Dedicated Short Range Communications, channel processing unit and PSAM module, by with the OBE3 radio communication that is equipped with Dedicated Short Range Communications, channel processing unit and ESAM module, can obtain important pay imformations such as the vehicle inlet of electronic charging IC-card 391 and path, thereby can carry out drive-in toll handles; At the MTC of charge station exit lane, the present invention only must install the video section of roadside device RSE, can carry out presence feature information to the charge vehicle that enters the track and obtain, obtain routing information by background system after, can carry out manual toll collection and handle.In particular cases, if the ETC vehicle enters the MTC exit lane,, therefore carry out artificial treatment and get final product by the regular fee flow process because its electronic charging IC-card has comprised inlet and routing information.
Particularly, the information processing to the ambiguity path vehicle is divided into following two kinds of situations:
1, for the ETC vehicle, owing to possessed OBU or OBE, and electronic charging IC-card, consider that from national conditions these vehicles might be that ETC advances ETC and goes out, also might be that ETC advances that MTC goes out or MTC advances ETC and goes out, in order to guarantee the backward compatible of ETC product and to keep the original operating habit of user, as optimum, routing information writes and writes down the secure communication mechanism that still uses the 5.8GHz frequency range to combine double-interface IC card and ESAM, PSAM and be optimum ID of trace route path point, promptly uses Dedicated Short Range Communications, channel of the present invention to handle routing information; Simultaneously, in order to guarantee no matter be OBU or OBE, can be under the situation of vehicle overspeed seriously, the correct processing of realizing route information, as optimum, the radio communication relay method of RSE before and after adopting.On the other hand, for the OBE that wide area people bus or train route info-channel processing unit is installed among the present invention, longer owing to operating distance in the information preprocessing process, come control channel or broadcasting public information so adopt independent Wide-area Measurement Information to handle RSE, guaranteeing has the more sufficient time to carry out powering on of electronic charging IC-card and pre-service after OBE is waken up at a distance, the one-time success rate that handle in the RSE path before improving greatly.
2, for the MTC vehicle, employing is specially based on the information fusion method of vehicle unchangeability feature mode identification: the video section of RSE carries out image acquisition, target detection and location, images match, signature analysis, feature extraction, pattern classification to driving vehicle before and after ID of trace route path point uses.After obtaining the series of features information of this driving vehicle, to cross wagon flow water mode, be sent to service application information center background system by host computer together with other incidental information; When vehicle ' arrives the MTC of charge station exit lane, by the characteristic information of track RSE video section collection in worksite when the consumption charge vehicle, after the inlet information of reading on the visa card, be sent to service application center background system perform an analysis computing and identification together with other incidental information, and carry out vehicle toll according to the result of gained.
Described vehicle unchangeability feature and information fusion, as optimum, including but not limited to: the headstock local message, as: headstock characters on license plate, color formation, textural characteristics, installation site, headstock car mark; Tailstock local message, as: tailstock characters on license plate, color constitute; Headstock overall picture information, as: the headstock windshield comprised in interior headstock textural characteristics, color formation, vehicle.Described mode identification method is including but not limited to artificial neural network, support vector machine, decision tree, clustering method.Described signature analysis and feature extraction are including but not limited to the target detection under time domain, frequency domain or time-frequency domain, location and feature extraction; Described vehicle characteristics information is meant that the above-mentioned processing of process is resulting, comprises a series of normalization vehicle attribute descriptions vehicle headstock overall picture and car plate local feature information, supporting degree of confidence index.
Described incidental information includes but not limited to: the signpost encoder when pre-treatment vehicle place; Enter the moment, capture picture and get the hang of (violating the regulations, normal).If the subsidiary picture etc. of capturing violating the regulations violating the regulations.
Described service application information center background system is primarily aimed at the MTC vehicle that does not have OBU/OBE and electronic charging IC-card, and its effect includes but not limited to: gather and preserve the mistake wagon flow water number certificate that each ID of trace route path point sends; Use is carried out vehicle route analysis and characteristic matching based on the vehicle matching algorithm of pattern-recognition, data mining and evidence theory; Realizing route data management etc.Be specially: behind the field data of receiving the MTC exit lane, from database, find out the not characteristic information of whole candidate's vehicles of coupling according to parameters such as inlet/outlet place, time period, various possible paths, utilize the vehicle matching algorithm one by one with the comparison that performs an analysis when the characteristic information of consumption charge vehicle, and matching result and routing information fed back to the outlet the lane in which the drivers should pay fees be used for charging; Extreme case if the non-processor result then points out the MTC toll collector to appraise and decide the charge vehicle characteristics information that collection in worksite arrives, if change is arranged, is then initiated Path Recognition down again; If change is not then carried out artificial treatment by relevant regulations.
In order to improve the success ratio of ambiguity path identification,, be the weight limit characteristic component with the number-plate number and the car plate background color of high confidence level as optimum.Concrete grammar is: at the ID of trace route path point, every track is except RSE video section first via Video Detection positioned vehicle before utilizing, capture beyond the vehicle overall picture picture, the second road video of RSE video section is used to capture and discern the afterbody car plate of vehicle before also utilizing, and the video section that utilizes back RSE is used to capture the head car plate of identification vehicle, the present invention utilizes this mechanism, multi-angle is carried out information fusion to the vehicle characteristics especially number-plate number and is handled with identification, obtain the license plate recognition result of high confidence level, in conjunction with the further feature information that extract simultaneously, common guarantee the high availability of vehicle characteristics information.Simultaneously, because all Video processing all are no more than 30 meters carrying out with multiple angles within sweep of the eye in front and back, and there is the light filling lamp to make floor light, so outside various unfavorable factors, as: heavy rain, thick fog, wind and snow, sun backlight, object or the various adverse effects that ground is reflective, traffic jam etc. is brought Flame Image Process can drop to minimum.On the other hand, export at MTC, if because the vehicle characteristics informix degree of confidence that track RSE video section obtains is lower than the small probability event of predetermined threshold value, just continue to do Path Recognition after can pointing out the toll collector scene to check change, this has also ensured the license board information that possesses high confidence level in the exit equally and the vehicle characteristics information of high availability from another point of view, thereby has guaranteed the accuracy that Path Recognition is handled.
Now in conjunction with Figure 14, Figure 17, describe the information process that the vehicle ambiguity path is identified in ID of trace route path point and charge station's exit lane in detail, be respectively: information pre-service process, the information fusion process, information candidate process, wagon flow water generation process, and five parts of charge station's outlet pathway treatment scheme excessively.
(1) information pre-service process
1) preceding RSE video section detects in real time and follows the tracks of the pretreatment zone vehicle, and locator data is provided; If identify the modified line vehicle, provide the picture of capturing violating the regulations simultaneously;
2) the ground vehicle checker detects vehicle in real time before, during and after, and the state variation data are sent to RSE and host computer;
3) RSE and host computer collection, analysis data;
4) if do not find that new vehicle enters corresponding circle of sensation, then return this process 1);
5) handle the information that enters: violating the regulations or normal; Picture violating the regulations is as crossing wagon flow water annex;
6) distribute serial number and create the blank flowing water that a band enters information for newly entering vehicle;
7) be parameter with new flowing water, create and active information fusion process;
8) return this process 1).
(2) information fusion process
1) preceding RSE video section is captured picture, extracts vehicle headstock overall picture characteristic information, and the identification result is provided;
2) preceding RSE radio frequency part and OBE authenticate and the routing information processing, and real-time and back RSE radio frequency part is set up presynchronization;
3) RSE video section locking in back enters vehicle, and the track and localization data are provided; Capture picture, extract headstock local feature information, and the identification result is provided;
4) host computer collection, analysis data, the COMPREHENSIVE CALCULATING speed of a motor vehicle;
5) if vehicle headstock does not leave corresponding circle of sensation as yet, return this process 2);
6) create also active information candidate process;
7) in conjunction with speed of a motor vehicle setting and the operation overtime timer with completion information.Timing arrives, and calls wagon flow water after data cross is checked and generates process;
8) this process finishes.
(3) information candidate process
1) back RSE radio frequency part according to the presynchronization information setting correlation parameter of preceding RSE; Shake hands and state confirmation by radio communication with OBE;
2) if overtime or vehicle leaves expansion candidate district, then this process of redirect 5);
3) if do not finish the path and write, then back RSE and OBE continue to finish and write;
4) preceding RSE extending video part detection and location target vehicle; Capture picture, extract tailstock local feature information, and the identification result is provided;
5) this process finishes.
(4) cross wagon flow water and generate process
1) forward and backward RSE video section is carried out information fusion, obtain the license plate recognition result and the headstock overall picture characteristic information of high confidence level; The vehicle snapshot picture is taken from preceding RSE;
2) to forward and backward RSE radio frequency part, the path operations data are taken from preceding RSE, and the completion information that preceding RSE operation is not finished is taken from back RSE radio frequency part;
3) host computer is according to above method, this car complete stream breath center of delivering a letter waterborne;
4) this process finishes.
(5) charge station's outlet pathway treatment scheme
1) if the ETC track jumps to this flow process 5);
2) the RSE video section extracts when consumption charge vehicle characteristics information; If comprehensive degree of confidence is lower than predetermined threshold value, then point out the fee-collector scene to check modification;
3) be divided into two kinds of situations:
Situation 1: after the fee-collector read visa card inlet information, system sent to business information center background system to relevant information automatically and carries out Path Recognition; Background system feedback matching result and routing information are to MTC outlet the lane in which the drivers should pay fees;
Situation 2: the fee-collector reads the inlet information and the routing information of ETC vehicle electric charge IC-card;
4) fee-collector carries out according to this, and follow-up manual toll collection is handled;
5) the RSE radio frequency part is by reading inlet information and the routing information on the electronic charging IC-card as the OBE of consumption charge vehicle;
6) the ETC system carries out follow-up non-parking charge processing according to this;
7) this flow process finishes.
Above ambiguity path identifying information treatment scheme can satisfy the path and handle every requirements such as quick, convenient, safe, general, practical, reliable.
This method also possesses following benefit except the every advantage that possesses above-mentioned Free-flow tollbooth and have:
1. convenience: this method is for ETC user and MTC user, enjoying in the current service of highway, all do not increase extra, special operation requirements, also need not change current acquired behavior, that is ambiguity path recognition methods of the present invention, its implementation result is fully transparent to the user, and this greatly facilitates driver user, has reduced all unnecessary trouble of bringing because of operate miss;
2. versatility: for the ETC vehicle, because what use is country and local general electronic charging treatment mechanism platform and ready-made ETC product, so the access of routing information has versatility; For the MTC vehicle, along with the extension of road network, on Fare Collection System, only must correspondingly carry out limited software upgrading, and be equipped with the RSE that only comprises video section at exit lane, just can process the ambiguity path identification problem, thereby realize accurately manual toll collection;
3. security: on the ambiguity path problem, the importance of routing information is only second to entrance information, and with pass cost with directly related, therefore, routing information is included the standardization efficient public security system of the various ETC application in country and place among the present invention program, and the transmitting-receiving courier guarantees safe and reliable record and the use of routing information in conjunction with PSAM and ESAM with the DSRC channel;
4. practicality: owing to used multiple consistency feature to describe and identify vehicle, and used multi-angle video information fusion treatment technology, implementation result has higher confidence level than adopting car plate to identify on the simple meaning like this, and possesses higher practical value.
Claims (14)
1. the information processing method on the intelligent transportation people based on information fusion, car, road is characterized in that: comprise the steps:
A., service application information center is set, and this information center comprises background system;
B., roadside device is set, and this roadside device comprises public part, radio frequency part and video section; Described public part comprises man-machine interface processing unit, power supply module and lightning protection processing unit and Peripheral Interface communications processor element; Described radio frequency part comprises microprocessor, and the secure access unit, consumption safety access modules, Dedicated Short Range Communications, channel processing unit, local people car info-channel processing unit and the wide area people bus or train route info-channel processing unit that are connected with microprocessor communication; Described video section comprises flush bonding processor, reaches non-volatile data storage unit, expansion data storage unit and video signal processing unit with the flush bonding processor wired connection; In this step, if described radio frequency part and the video section of being equipped with simultaneously, then the former microprocessor links to each other with the latter's flush bonding processor is wired, and the man-machine interface processing unit only links to each other with the video section flush bonding processor is wired with the Peripheral Interface communications processor element; If radio frequency part is only arranged, the man-machine interface processing unit links to each other with the radio frequency part microprocessor is wired with the Peripheral Interface communications processor element;
C. on vehicle, be provided with and its unique corresponding mobile unit, this mobile unit comprises microprocessor, and detects communication module, embedded-type security access modules, local people car info-channel processing unit, wide area people bus or train route info-channel processing unit and secure access unit with the wired high-speed computer peripheral interface communication unit that links to each other of microprocessor, expansion data storage unit, man-machine interface processing unit, dismounting detection and power supply unit, Dedicated Short Range Communications, channel processing unit, double-interface IC card interface;
D. aim at the car owner based on the PKI technology or its authorized person is equipped with car owner Mkey, with pass through as authentication fast and safely authority or authentication instrument or security information carrier, it comprises microprocessor, reaches and the wired high-speed computer peripheral interface communication unit that links to each other of microprocessor, man-machine interface processing unit, power supply unit, secure access unit, local people car info-channel processing unit and wide area people bus or train route info-channel processing unit;
E. described roadside device is set up wired communicating to connect with vehicle checker, host computer and described service application information center background system respectively by interfacing equipment; Described roadside device is set up radio communication by Dedicated Short Range Communications, channel and/or local people car info-channel and/or wide area people bus or train route info-channel and described mobile unit, sets up radio communication with described car owner Mkey separately by local people car info-channel;
F. the roadside device radio frequency part is issued broadcast message by wide area people bus or train route info-channel and/or is sent control signaling, mobile unit distance reception signal in 120 meters scopes of roadside device also is waken up, and does corresponding pre-service work according to the control signaling request then; Simultaneously, vehicle checker and/or roadside device video section detect vehicle in real time, and provide detection and location data, host computer and/or roadside device to judge whether that comprehensively new vehicle enters the information fusion zone;
When G. vehicle enters the information fusion zone, the radio frequency part of roadside device is carried out high-speed radio authentication and information communication by Dedicated Short Range Communications, channel and/or local people car info-channel with the mobile unit that newly enters vehicle, and/or the radio frequency part of roadside device is carried out high-speed radio authentication and information communication by local people car info-channel and car owner Mkey; The video section of roadside device carries out the image candid photograph and vehicle characteristics information is carried out signature analysis, extraction, fusion, identification vehicle; Roadside device again will and car owner Mkey, mobile unit between the data message of radio communication gained and the vehicle characteristics information that video section obtains carry out fusion treatment.
2. the information processing method on the intelligent transportation people based on information fusion as claimed in claim 1, car, road is characterized in that: also comprise step H: described host computer real-time automatic collecting, analysis, processing are from the data of fusion that roadside device is analyzed; Host computer extracts, organizes data by business need, and upload to service application information center background system with the flowing water form through interfacing equipment according to the vehicle result.
3. the information processing method on the intelligent transportation people based on information fusion as claimed in claim 1 or 2, car, road, it is characterized in that: also be included in described background system configuration owner Mkey, this owner Mkey is used for the business initializtion roadside device, and carries out safe and secret communication and authentication car owner identity on based on the business platform of B/S, C/S with car owner Mkey; Described owner Mkey comprises microprocessor, reaches and communicate by letter and power supply unit, man-machine interface processing unit and SAM secure access unit with the wired high-speed computer peripheral interface that links to each other of microprocessor.
4. the information processing method on the intelligent transportation people based on information fusion as claimed in claim 3, car, road, it is characterized in that: this secure access unit separately of described roadside device, mobile unit, car owner Mkey and owner Mkey infrastructure PKI frame system that all uses public-key, adopt AES or 3DES symmetric cryptographic algorithm, adopt ECC, RSA or DSA asymmetric cryptographic algorithm, adopt SHA-1 or MD5 hashing algorithm to be used for digital signature.
5. the information processing method on the intelligent transportation people based on information fusion as claimed in claim 1 or 2, car, road is characterized in that: the video signal processing unit of the video section of described roadside device comprises video camera, two-way vision signal control treatment module and light filling lamp; Described vehicle characteristics information comprises headstock local message and headstock overall picture information; Described headstock local message comprises headstock characters on license plate, color formation, textural characteristics, installation site and headstock car mark; Described headstock overall picture information comprises that the headstock textural characteristics of headstock windshield, color constitute and vehicle.
6. the information processing method on the intelligent transportation people based on information fusion as claimed in claim 5, car, road, it is characterized in that: the Dedicated Short Range Communications, channel processing unit of described roadside device comprises 5.8GHz transceiver and dual-mode antenna, and the Dedicated Short Range Communications, channel processing unit of described mobile unit comprises that 5.8GHz transmitter and emitting antenna and 5.8GHz receive and wake up device and receiving antenna; Described roadside device, mobile unit and car owner Mkey three's local people car info-channel processing unit includes 2.45GHz transceiver and dual-mode antenna or 5.8GHz transceiver and dual-mode antenna; The wide area people bus or train route info-channel processing unit of described roadside device comprises 300-928MHz special frequency channel transceiver and dual-mode antenna, the wide area people bus or train route info-channel processing unit of described mobile unit comprises 300-928MHz special frequency channel transmitting-receiving and wakes device and dual-mode antenna up, and the wide area people bus or train route info-channel processing unit of described car owner Mkey comprises that the 300-928MHz special frequency channel wakes device and receiving antenna up.
7. the information processing method on the intelligent transportation people based on information fusion as claimed in claim 6, car, road, it is characterized in that: also comprise the step that various data acquisition equipments in the car are set, described car owner Mkey establishes a communications link by various data acquisition equipments in high-speed computer peripheral interface and the described car, and described roadside device and car owner Mkey carry out various data acquisitions in the car by local people car info-channel; Various data acquisition equipments comprise personnel's biometric authentication device, vehicle GPS driving path registering instrument or vehicle ' event detection and registering instrument in the described car.
8. the information processing method on the intelligent transportation people based on information fusion as claimed in claim 7, car, road, it is characterized in that: described information processing method is applicable to closed vehicle management, specific design is: a roadside device is installed near barrier machine, the per car road is equiped with a vehicle checker, about 6 meters of its axis and railing distance, host computer and interfacing equipment are installed in the tollbooth; The wide area people bus or train route info-channel processing unit of roadside device acts on approach area road junction wheel and changes jobs with broadcasting public information and control signaling, the Dedicated Short Range Communications, channel processing unit of roadside device and local people car info-channel processing unit act between vehicle checker and the railing zone, this track and with mobile unit that enters vehicle in this zone and/or car owner Mkey radio communication, video section acts on zone, track beyond the vehicle checker and is used for video frequency vehicle and detects and car plate identification.
9. the information processing method on the intelligent transportation people based on information fusion as claimed in claim 7, car, road is characterized in that: described information processing method is applicable to multilane free flow toll administration; Specific design is, press direction of traffic from left to right, lay preceding ground vehicle checker earlier in every track, with its axis is start line, the ground vehicle checker is to mate minimum vehicle in laying with start line wheelbase 3-5 rice, with roadside device before the start line wheelbase 7-10 rice installation overhead, with roadside device behind the start line wheelbase 15-22 rice installation overhead; The video section of preceding roadside device is done video car test and car plate identification to comprising preceding ground car test track pretreatment zone in addition, and the video section of back roadside device is done the identification of video car test and car plate to ground car test in comprising in interior information fusion district; The radio frequency part zone of action of former and later two roadside devices is provided with the aspect, the radio frequency part of preceding roadside device is used for starting carrying out to charge concludes the business, and always be about this zone, track of 6 meters in acting on before and after the ground vehicle checker, overlapping with the video section zone of action of back roadside device, and with preceding in the common configuration information corresponding circle of sensation of ground vehicle checker, the radio frequency part of back roadside device acts on the zone between two roadside devices, communication relay as preceding roadside device radio frequency part, and two action of radio zones do not intersect, the middle transition zone is greater than 3 meters, to avoid electromagnetic interference (EMI), when if preceding roadside device is not finished the charge transaction of current vehicle, activate the back roadside device immediately and enter information candidate state, by the back roadside device continue to finish when time the charge transaction.
10. the information processing method on the intelligent transportation people based on information fusion as claimed in claim 7, car, road is characterized in that: described information processing method is applicable to ambiguity path identification toll administration; Specific design is: at each ID of trace route path point former and later two roadside devices are set on the way; At each ID of trace route path point, the video section first via Video Detection positioned vehicle of every preceding roadside device of lane utilization, capture vehicle overall picture picture, and utilize the second road video capture of preceding trackside video section and the afterbody car plate of identification vehicle, and utilize the video section of back roadside device to capture the head car plate of discerning vehicle; The image that driving vehicle is gathered carries out images match, signature analysis, feature extraction, pattern classification again; After obtaining the series of features information of this driving vehicle,, be sent to service application information center background system by host computer to cross wagon flow water mode; Vehicle for equipment OBE, by way of each ID of trace route path point the time, the RSE that each path indicates point and OBE combine the secure communication mechanism realization radio communication of double-interface IC card and ESAM, PSAM by the Dedicated Short Range Communications, channel, in OBE or IC-card write and write down by way of routing information; When vehicle ' arrives charge station's exit lane, for the vehicle of not equipping OBE, by the characteristic information of track roadside device video section collection in worksite when the consumption charge vehicle, after the inlet information of reading on the visa card, described characteristic information is sent to service application center background system perform an analysis computing and identification together, and carries out vehicle toll according to the result of gained; For the vehicle that OBE is housed, the RSE that is installed in charge station realizes radio communication with OBE by the secure communication mechanism that the Dedicated Short Range Communications, channel combines double-interface IC card and ESAM, PSAM, read in the OBE or the inlet information of IC-card and by way of each routing information, analyze computing again and draw result and charged.
11. the information handling system on a kind of intelligent transportation people based on information fusion, car, road is characterized in that: comprises,
Service application information center, this information center comprises background system;
Roadside device, this roadside device comprises public part, radio frequency part and/or video section; Described public part comprises man-machine interface processing unit, power supply module and lightning protection processing unit and Peripheral Interface communications processor element; Described radio frequency part comprises microprocessor, and the secure access unit, consumption safety access modules, Dedicated Short Range Communications, channel processing unit, local people car info-channel processing unit and the wide area people bus or train route info-channel processing unit that are connected with microprocessor communication; Described video section comprises flush bonding processor, reaches non-volatile data storage unit, expansion data storage unit and video signal processing unit with the flush bonding processor wired connection; If described radio frequency part and the video section of being equipped with simultaneously, then the former microprocessor links to each other with the latter's flush bonding processor is wired, and the man-machine interface processing unit only links to each other with the video section flush bonding processor is wired with the Peripheral Interface communications processor element; If radio frequency part is only arranged, the man-machine interface processing unit links to each other with the radio frequency part microprocessor is wired with the Peripheral Interface communications processor element;
Mobile unit, be arranged on the vehicle and unique corresponding with vehicle, this mobile unit comprises microprocessor, and detects communication module, embedded-type security access modules, local people car info-channel processing unit, wide area people bus or train route info-channel processing unit and secure access unit with the wired high-speed computer peripheral interface communication unit that links to each other of microprocessor, expansion data storage unit, man-machine interface processing unit, dismounting detection and power supply unit, Dedicated Short Range Communications, channel processing unit, double-interface IC card interface;
Car owner Mkey, aiming at car owner or its authorized person based on the PKI technology is equipped with pass through as authentication fast and safely authority or authentication instrument or security information carrier, it comprises microprocessor, reaches and the wired high-speed computer peripheral interface communication unit that links to each other of microprocessor, man-machine interface processing unit, power supply unit, secure access unit, local people car info-channel processing unit and wide area people bus or train route info-channel processing unit;
Interfacing equipment, it sets up wired communicating to connect with vehicle checker, host computer and described service application information center background system respectively with described roadside device; Described roadside device is set up radio communication by Dedicated Short Range Communications, channel and/or local people car info-channel and/or wide area people bus or train route info-channel and described mobile unit, sets up radio communication with described car owner Mkey separately by local people car info-channel.
12. the information handling system on the intelligent transportation people based on information fusion as claimed in claim 11, car, road, it is characterized in that: also comprise the owner Mkey that is provided in background system, this owner Mkey is used for the business initializtion roadside device, and carries out safe and secret communication and authentication car owner identity on based on the business platform of B/S, C/S with car owner Mkey; Described owner Mkey comprises microprocessor, reaches and communicate by letter and power supply unit, man-machine interface processing unit and SAM secure access unit with the wired high-speed computer peripheral interface that links to each other of microprocessor.
13. information handling system as claim 11 or 12 described intelligent transportation people, car, road based on information fusion, it is characterized in that: the Dedicated Short Range Communications, channel processing unit of described roadside device comprises 5.8GHz transceiver and dual-mode antenna, and the Dedicated Short Range Communications, channel processing unit of described mobile unit comprises that 5.8GHz transmitter and emitting antenna and 5.8GHz receive and wake up device and receiving antenna; Described roadside device, mobile unit and car owner Mkey three's local people car info-channel processing unit includes 2.45GHz transceiver and dual-mode antenna or 5.8GHz transceiver and dual-mode antenna; The wide area people bus or train route info-channel processing unit of described roadside device comprises 300-928MHz special frequency channel transceiver and dual-mode antenna, the wide area people bus or train route info-channel processing unit of described mobile unit comprises 300-928MHz special frequency channel transmitting-receiving and wakes device and dual-mode antenna up, and the wide area people bus or train route info-channel processing unit of described car owner Mkey comprises that the 300-928MHz special frequency channel wakes device and receiving antenna up.
14. the information handling system on the intelligent transportation people based on information fusion as claimed in claim 13, car, road is characterized in that: the video signal processing unit of the video section of described roadside device comprises video camera, two-way vision signal control treatment module and light filling lamp.
15. the information handling system on the intelligent transportation people based on information fusion as claimed in claim 13, car, road, it is characterized in that: the step that also comprises various data acquisition equipments in the car, described car owner Mkey establishes a communications link by various data acquisition equipments in high-speed computer peripheral interface and the described car, and described roadside device and car owner Mkey carry out various data acquisitions in the car by local people car info-channel; Various data acquisition equipments comprise personnel's biometric authentication device, vehicle GPS driving path registering instrument or vehicle ' event detection and registering instrument in the described car; Described interfacing equipment comprises network router, signal converter and power supply for orchestration.
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