CN103236168B - Traffic data on-line acquisition system and method - Google Patents
Traffic data on-line acquisition system and method Download PDFInfo
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Abstract
Embodiments provide a kind of traffic data on-line acquisition system and method, described system includes video camera, the collection client being connected to video camera, the acquisition server end being connected to gather client, and the Web server that is connected with acquisition server end and separate customer end, method includes capturing picture step, data collection steps, load balancing judge step, identifying processing step, storing step and displaying step.The automatic identification to license plate for the common camera can be realized by the present invention, effectively prevent rush-hour, not process and process slow problem with identifying that function video camera is only captured；Use after the present invention can by static mode configuration Transportation Data Collection Terminal, due to the load balance ability of internal system, the present invention has dynamic adaptivity to dynamic urban traffic conditions complicated and changeable.Further, it is also possible to online real-time release inquiry, reduce Transport Facility Construction cost, improve operating efficiency and accuracy rate.
Description
Technical field
The present invention relates to intelligent transportation field, particularly relate to a kind of traffic data on-line acquisition system and method.
Background technology
With the increase of automobile individual's owning amount, intelligent transportation facility is more and more heavier to the managerial role of automobile, can be to license plate information by transportation network video camera, the violation violating the regulations effectively occurring in management communications and transportation, disorderly park, inspection, even fight crime.Current transportation network video camera realizes that being typically with the collection of license plate information is directly transportation network Camera Design embedded program, adds Intelligent license-plate of vehicle identification function inside transportation network video camera；The embedded vehicle license plate identification technology that transportation network video camera with Car license recognition function uses is limited by hardware computing capability and memory space, compare the license plate recognition technology of PC version, there is slower recognition speed and relatively low discrimination, and be in rush-hour it is possible that data can be gathered, but cannot the problem of real-time processing data.Additionally, only have few company to grasp embedded vehicle license plate identification technology the video camera being applied to certain model at home, this directly results in the higher of the transportation network video camera price with Car license recognition function.
Content of the invention
Embodiment of the present invention technical problem to be solved is, provides a kind of traffic data on-line acquisition system and method, can realize the automatic identification to license plate by common camera.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that
A kind of traffic data on-line acquisition system, including video camera, the collections client being connected to video camera, the acquisition server end being connected to collection client, and the Web server that is connected with acquisition server end and separate customer end,
Gathering client and including video camera input interface the first picture input module being connected with video camera input interface, the first Car license recognition module being connected to the first picture input module, the first catalogue renewal detection module being connected to the first picture input module and the first Car license recognition module, the first client communication module, the first load tracking reporting module being connected to the first picture input module and the first client communication module and the first heartbeat module, described first heartbeat module connects the first Car license recognition module and the first client communication module respectively；
Acquisition server end, described acquisition server end is without identification function, it includes the first picture transit module that the first load balancing module that the first client control module that first server end communication module is connected is connected with first server end communication module is connected with first server end communication module and the first database being connected with first server end communication module with first server end communication module, and described first load balancing module is also connected with the first picture transit module；
Or, described acquisition server end band identification function, it includes the 3rd server end communication module, the 3rd client control module being connected with the 3rd server end communication module, the 3rd load balancing module being connected with the 3rd server end communication module, the 3rd picture transit module being connected with the 3rd server end communication module, the 3rd database being connected with the 3rd server end communication module, the 3rd picture input module being connected with described 3rd picture transit module, the 3rd Car license recognition module being connected with the 3rd picture input module and the 3rd catalogue renewal detection module connecting the 3rd picture input module and the 3rd Car license recognition module respectively, described 3rd load balancing module is also connected with the 3rd picture transit module.
Further, described video camera is connected with gathering client by File Transfer Protocol.
Further, described collection client connects one or more video camera.
Further, described acquisition server end connects one or more collection client.
Further, described separate customer end is one or more.
Further, described separate customer end includes second picture input module, the second Car license recognition module being connected to second picture input module, is connected to the second catalogue of second picture input module and the second Car license recognition module and updates detection module, the second client communication module, the second load tracking reporting module being connected to second picture input module and the second client communication module and the second heartbeat module, and described second heartbeat module connects the second Car license recognition module and the second client communication module respectively.
Further, the interpolation number of separate customer end is to draw based on the process of load balancing, can calculate by the following method the need of adding separate customer end and obtain: assume there is collection client 1,2, ..., n, their disposal ability is that cc opens the/unit interval, and band identifies that function acquisition server end disposal ability is that sc opens the/unit interval；The load that in unit interval, each collection client receives when data acquisition is the busiest is respectively load1, load2 ... loadn, then quantity X of the separate customer end that data collecting system need to add is:
X=ceil ((load1+load2+ ...+loadn-sc-n*cc)/cc), if calculating gained X value, < 0, then X takes 0, and wherein, the effect of ceil function is for obtaining the smallest positive integral bigger than input value.
A kind of traffic data online acquisition method based on traffic data on-line acquisition system as above, comprises the steps:
Capture picture step: by the automobile of video capture surveillance area process；
Data collection steps: by connect video camera collection client by video capture to image carry out data acquisition process；
Load balancing judges step: judge whether to load balancing by the first load tracking reporting module of first on acquisition server end or the 3rd load balancing module and the collection client being connected to acquisition server end, if not, it is then identified processing and storing step, if so, then picture is uploaded to acquisition server end；
Identifying processing step: Car license recognition process is carried out for the picture being not required to directly upload；
Storing step: the license plate information after Car license recognition is processed is stored by the database of acquisition server end；And
Show step: the license plate information being stored in the database of acquisition server end after Car license recognition is processed is carried out issuing displaying by Web server.
Further, described method also includes:
If judging load balancing to be carried out, then by the load balancing module of acquisition server end, untreated picture is uploaded to acquisition server end, determined to reach the not enough collection client of workload under this kind of picture or processed by the acquisition server end possessing Car license recognition function by acquisition server end, then carry out storing and show step.
Described data collection steps and load balancing judge between step also to comprise determining whether to add separate customer end step: be that full load is defined as adding separate customer end step in all collection clients, then mount the separate customer end of predetermined number, otherwise for not needing.
The embodiment of the present invention provides the benefit that: by described traffic data on-line acquisition system and method, the data acquisition module arranging in the collection client that can be connected by common camera and Car license recognition module, it is achieved common camera carries out license auto-recognition system process to the automobile image captured；When the automobile image captured exceedes the disposal ability gathering client, these untreated images can be uploaded to and gather the acquisition server end that client is connected, acquisition server end is by after load balance process, acquisition server end can carry out Car license recognition voluntarily and process and also without the image of identifying processing, these can be distributed to the not enough collection client of workload or distribute to be not connected with the separate customer end of video camera and carry out Car license recognition process, avoid rush-hour, existing only candid photograph with identification function traffic video camera does not processes and processes slow problem.Use after the present invention can by static mode configuration Transportation Data Collection Terminal, due to the load balance ability of internal system, the present invention has dynamic adaptivity to dynamic urban traffic conditions complicated and changeable.Additionally, can also online real-time release be inquired about by traffic data on-line acquisition system of the present invention and method, reduce Transport Facility Construction cost, improve operating efficiency and accuracy rate.
Brief description
Fig. 1 is the structure chart of traffic data on-line acquisition system of the present invention.
Fig. 2 is the collection client terminal structure figure of traffic data on-line acquisition system of the present invention.
Fig. 3 is the acquisition server end structure figure of traffic data on-line acquisition system of the present invention.
Fig. 4 is the separate customer end structure figure of traffic data on-line acquisition system of the present invention.
Fig. 5 is the band identification function acquisition server end structure figure of traffic data on-line acquisition system of the present invention.
Fig. 6 is the workflow diagram of traffic data online acquisition method of the present invention.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be combined with each other, and are described in further detail the present invention with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, traffic on-line acquisition system described in the embodiment of the present invention, including the separate customer end 4 that is connected with acquisition server end 3 of the acquisition server end 3 that the collection client 2 that is connected with video camera 1 of video camera 1 is connected with collection client 2 and Web server 6.
Concrete, described video camera 1 is used for capturing vehicle pictures, described collection client 2 is used for carrying out Car license recognition process, one gathers client 2 and can connect and process the vehicle pictures of individual multiple-camera 1 candid photograph, described acquisition server end 3 is likely to occur the storage of the information after carrying out load balancing judgement and carry out Car license recognition process to picture when the picture captured exceeding the maximum processing capability gathering client 2 for monitoring collection client 2 and rush-hour, finally by described Web server 6, displaying and the enquiring vehicle information of real-time online can be realized.
As in figure 2 it is shown, gather client 2 to include video camera input interface 20, described video camera input interface 20 is used for connecting video camera 1；The the first picture input module 21 being connected with video camera input interface 20, described first picture input module 21 captures, for storing video camera 1, the untreated picture arriving；Being connected to the first Car license recognition module 23 of the first picture input module 21, described first Car license recognition module 23 processes the extraction with relevant information for the untreated picture that the first picture input module 21 stores carries out Car license recognition；Being connected to the first picture input module 21 and the first catalogue of the first Car license recognition module 23 updating detection module 24, described first catalogue updates the picture for detection the first picture input module 21 storage for the detection module 24；It is connected to the first load tracking reporting module 22 of the first picture input module 21 and the first client communication module 26, when the picture that the first picture input module 21 stores is more than the disposal ability of the first Car license recognition processing module 23, information reporting to acquisition server end 3；And, first heartbeat module 25, described first heartbeat module 25 connects the first Car license recognition module 23, described first heartbeat module 25 is also connected with the first client communication module 26, whether described first heartbeat module 25 normally works for monitoring the first Car license recognition module, then by the first client communication module 26, situation about monitoring is fed back to acquisition server end 3.
As shown in Figure 3, described acquisition server end 3 includes first server end communication module 36, and described first server end communication module 36 and the first customer side communication module 26 are connected to realize gathering client 2 and without the communication identifying between acquisition server end 3 correlation module of function.
Described acquisition server end 3 includes the first client control module 35 being connected with first server end communication module 36, described first client control module 35 is by first server end communication module the 36th, the first client communication module 26 and the first heartbeat module 25 being connected to the first client communication module 26, it is achieved the monitoring that collection client 2 is carried out by acquisition server end 3；Concrete, the first client control module 35 of described acquisition server end 3 is by first service end communication module the 36th, the first client communication module 26 and is connected to the first heartbeat module 25 of described first client communication module 26 and realizes whether normally working and be monitored to gathering client 2；Described first heartbeat module 25 timing sends heartbeat message to the first client control module 35 timing of acquisition server end 3, when gathering client 2 and occurring abnormal, acquisition server end 3 can send reset command to the first heartbeat module 25 gathering client 2 by the first client control module 35, collection client 2 is made to rework, and at the first client control module 35 record in addition, if automatically restarting the problem that still cannot solve, then acquisition server end 3 can send alarm, can be carried out maintenance process by manpower intervention.
nullDescribed acquisition server end 3 includes the first load balancing module 37 being connected with first server end communication module 36，Described first load balancing module 37 passes through first server end communication module 36、Gather the first client communication module 26 of client and the first load tracking reporting module 22 being connected to the first client communication module 26，Realize rush-hour be possible to the candid photograph that occurs to picture exceed gather quantity that client 2 is capable of maximum process picture when，Feed back information to the first load balancing module 37 of acquisition server end 3，And these pictures are uploaded to connect the first load balancing module 37 respectively and the first picture transit module 38 of first server end communication module 36 stores，Realize the load balancing of these untreated pictures again by the first load balancing module 37；Concrete, first load balancing module 37 is when judging to need to carry out load balancing, the picture that first picture transit module 38 stores is uploaded to the not enough collection client 2 of workload or is uploaded to the separate customer end 4 being connected by first server communication module 36, it after collection client 2 or the picture to these load balancing for the separate customer end 4 are identified processing, then is uploaded to acquisition server end 3.
Described collection client 3 also includes the first database 30 of being connected with first server end communication module 36, described first database 30 for store gather the picture after client 2 is processed or separate customer end 4 process after picture or load balancing after picture after treatment.
As shown in Figure 4, described separate customer end 4 is one or more, it includes the second client communication module 46, and described second client communication module 46 connects the first server end communication module 36 of acquisition server end 3 for realizing the communication between separate customer end 4 and each module of acquisition server 3.
Described separate customer end 4 includes that the 41st, second picture input module is connected to the second Car license recognition module of second picture input module 41 and the 43rd, is connected to second picture input module 41 and the second catalogue of the second Car license recognition module 43 updates detection module 44 and connects the second load tracking reporting module 42 of second picture input module 41 and the second client communication module 46；When load balancing, described second picture input module 41 is stored the untreated picture of the first picture transit module 38 from acquisition server end 3 by the transmission of the second client communication module 46 and the second load tracking reporting module 42；Described second catalogue updates detection module 44 for the renewal detection to second picture input module 41, when acquisition server end 3 judges the second picture input module 41 needing to carry out load balancing and untreated picture being uploaded to separate customer end 4, second catalogue updates the untreated picture that detection module 44 will detect upload, thus promote the second Car license recognition module 43 to carry out Car license recognition process to the picture of second picture input module 41, and the first database 30 that the picture after processing and related information of vehicles are uploaded to acquisition server end 3 by the second client communication module 46 of separate customer end 4 and the first server end communication module 36 of acquisition server end 3 stores.
nullDescribed separate customer end 4 also includes the second heartbeat module 45，Described second heartbeat module 45 connects the second Car license recognition module 43 and the second client communication module 46 respectively，First client control module 35 of acquisition server end 3 passes through first server end communication module 36、Second client communication module 46 of separate customer end 4 and the second heartbeat module 45 realize the monitoring of the working condition to separate customer end 4 for the acquisition server end 3，Same，When acquisition server end 3 monitors separate customer end 4 operation irregularity，Acquisition server end 3 can send reset command to the second heartbeat module 45 of separate customer end 4 by the first client control module 35，Separate customer end 4 is made to rework，And at the first client control module 35 record in addition，If automatically restarting the problem that still cannot solve，Then acquisition server end 3 can send alarm，Manpower intervention can be carried out maintenance process.
It in present embodiment, is not connected to the network PC work station with Car license recognition function of any collecting device, referred to as separate customer end 4.The interpolation number of separate customer end 4 is to draw based on the process of load balancing, can calculate by the following method the need of adding separate customer end 4 and obtain: assume there is collection client 1,2, ..., n, their disposal ability is that cc(opens the/unit interval), server (the i.e. follow-up band identification function acquisition server end 5 mentioned) also has disposal ability, is sc；The load that in unit interval, each collection client receives when data acquisition is the busiest is respectively load1, load2 ..., loadn, then quantity X of the separate customer end 4 that data collecting system need to add is:
X=ceil ((load1+load2+ ...+loadn-sc-n*cc)/cc), wherein, the effect of ceil function is for obtaining the smallest positive integral bigger than input value.If < 0, then X takes 0, for example, if calculating X value is-2, be now the i.e. X=0 not needing separate customer end, because the disposed of in its entirety ability of this when of system is enough to calculate gained X value.
The above-mentioned calculating to X is not intended to judge whether load equalizes, and is used to judge that whether the disposed of in its entirety ability of system when system is the most busy is enough.If the X=1 calculating, show that system should mount a platform independent client 4, if X=2, show that system should mount two platform independent clients 4.
With regard to load balancing, gather client 2 and the picture of the partial amt beyond its own processing capabilities can be uploaded to acquisition server end 3, by acquisition server end 3, the picture of this partial amt is distributed to the collection client 2 of light load by the principle of load balancing.If during as it is shown in figure 1, some collection client 2 disposal abilities are inadequate, and the disposal ability of the collection client 2 also having has more than needed, and the picture of the partial amt that first the former is had little time process by the load balancing service of acquisition server end 3 is sent to the latter.Adding not necessarily of separate customer end 4, if the throughput gathering client 2 is enough, can cancel adding of separate customer end 4.And in urban transportation peak period, each client 2 that gathers is all very busy, at this moment can mount and be helped to carry out picture recognition work by the separate customer end 4 of above-mentioned computing formula gained corresponding number.
Thus, for whether load balancing gathers client 2 for separate unit, sometimes due to the reason such as traffic control or traffic accident may unpredictably cause certain at ordinary times the very little section vehicle flowrate of vehicle flowrate explode, and owing to this section vehicle flowrate at ordinary times is less, collection client 2 disposal ability associating with this section need not be arranged to very strong, but this section vehicle flowrate explodes now, supporting collection client 2 disposal ability is likely to not catch up with, then for the collection client 2 in this section, load has exceeded disposal ability, for ensureing that gathering client 2 effectively works, a part must be loaded (picture recognition work) and be transferred to the temporary transient lighter collection client 2 of load capacity on network or separate customer end 4 or acquisition server end 3.
As shown in Figure 5, described band identifies that function acquisition server end 5 includes the 3rd server end communication module 56, and described 3rd server end communication module 56 and the first customer side communication module 26 are connected to realize gathering client 2 and the communication with identifying between function acquisition server end 5 correlation module.
Described the 3rd server side to monitor module 55 including with identification function acquisition server end 5 being connected with the 3rd server end communication module 56, described 3rd server side to monitor module 55 is by the 3rd server end communication module the 56th, the first client communication module 26 and the first heartbeat module 25 being connected to the first client communication module 26, it is achieved the monitoring with identifying that collection client 2 is carried out by function acquisition server end 5.
nullDescribed the 3rd load balancing module 57 including with identification function acquisition server end 5 being connected with described 3rd server end communication module 56，Connect the 3rd picture transit module 58 of the 3rd load balancing module 57 and the 3rd server end communication module 56 respectively，Described 3rd load balancing module 57 passes through the 3rd server end communication module 56、First client communication module 26 and the first load tracking reporting module 22 being connected to the first client communication module 26，Realize rush-hour be possible to the candid photograph that occurs to picture exceed gather quantity that client 2 is capable of maximum process picture when，Feed back information to the 3rd load balancing module 57 of acquisition server end 5 with identifying function，And these pictures are uploaded to the 3rd picture transit module 58，Described 3rd picture transit module 58 is used for storing these untreated pictures.
Described with identifying that function acquisition server end 5 includes that the 3rd picture input module 51 being connected with described 3rd picture transit module 58 is connected the 3rd Car license recognition module and the 53rd, connects the 3rd catalogue of the 3rd picture input module 51 and the 3rd Car license recognition module 53 respectively and update detection module 54 and the 3rd database 50 being connected with described 3rd server end communication module 56 with described 3rd picture input module 51, described 3rd catalogue updates detection module 54 and is used for the renewal to the 3rd picture input module 51 and detects；When band identifies that function server end 5 judges to need to carry out load balancing, 3rd load balancing module 57 can will be stored in the picture of the 3rd picture transit module 58 and uploads to the picture input module of not enough the collections client 2 of workload by the 3rd server end communication module 56 and the first client communication module 26 or be uploaded to the second picture input module of separate customer end 4 or the 3rd picture input module 51 being directly uploaded to band identification function acquisition server end 5 by the 3rd server end communication module 56 and the second client communication module 46, then is uploaded to the 3rd database 50 with identification function acquisition server end 5 after carrying out Car license recognition process respectively；Described 3rd database 50 is for storing the picture after gathering the picture after client 2 is processed and relevant information or equilibrium treatment and relevant information；Described 3rd database 50 connects Web server 6 by the 3rd server end communication module 56, it is possible to achieve the displaying of real-time online and enquiring vehicle information.
In conjunction with Fig. 6, the traffic data online acquisition method of the traffic data on-line acquisition system of the embodiment of the present invention comprises the following steps that
Capture picture step: by the automobile of video capture surveillance area process；
Data collection steps: by connect video camera collection client by video capture to image carry out data acquisition process；
Judge whether to add separate customer end step: be that full load is defined as adding separate customer end step in all collection clients, then mount the separate customer end of predetermined number, otherwise for not needing.Specifically, the first load tracking reporting module is defined as being fully loaded with when detecting the more than one reservation threshold of the picture number in specified folder such as 120, and described predetermined number is the numerical value that described ceil function calculates；
Load balancing judges step: judge whether to load balancing by the first load tracking reporting module of first on acquisition server end or the 3rd load balancing module and the collection client being connected to acquisition server end, if not, it is then identified processing and storing step, if so, then picture is uploaded to acquisition server end；
Identifying processing step: Car license recognition process is carried out for the picture being not required to directly upload；
Storing step: the license plate information after Car license recognition is processed or after load balance process is stored by the database of acquisition server end；And
Show step: the license plate information being stored in the database of acquisition server end after Car license recognition is processed is carried out real-time release displaying and for people's inquiry by Web server.
As a kind of embodiment, described method also includes:
If judging load balancing to be carried out, then by the load balancing module of acquisition server end, untreated picture is uploaded to acquisition server end, determined to reach the not enough collection client of workload under this kind of picture or processed by the acquisition server end possessing Car license recognition function by acquisition server end, then carry out storing and show step.
The embedded vehicle license plate identification technology that traffic data on-line acquisition system and method described in the embodiment of the present invention solve the transportation network video camera employing with Car license recognition function is limited by hardware computing capability and memory space, compare the license plate recognition technology of PC version, there is slower recognition speed and relatively low discrimination, and be in rush-hour it is possible that data can be gathered, but cannot the problem of real-time processing data；And low cost, efficiency is high.The automatic identification to license plate for the common camera can be realized by the present invention, effectively prevent rush-hour, not process and process slow problem with identifying that function video camera is only captured.Use after the present invention can by static mode configuration Transportation Data Collection Terminal, due to the load balance ability of internal system, the present invention has dynamic adaptivity to dynamic urban traffic conditions complicated and changeable.(general static mode described herein refers to carry out disposal ability outfit for the average vehicle flow level in section, but sometimes due to the reason such as traffic control or traffic accident may unpredictably cause certain at ordinary times the very little section vehicle flowrate of vehicle flowrate explode, this will make static configuration lose meaning in some time period, then we introduce load balance, as long as system disposed of in its entirety ability is enough, acquisition server autobalance can respectively gather client, the workload (i.e. load) of separate customer end etc., thus do not have certain and gather the excessively busy situation about even can't bear the heavy load of client.) further, it is also possible to online real-time release inquiry, reduce Transport Facility Construction cost, improve operating efficiency and accuracy rate.
Being above the detailed description of the invention of the present invention, it is noted that for those skilled in the art, under the premise without departing from the principles of the invention, can be made into some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (9)
1. a traffic data on-line acquisition system, including video camera, be connected to video camera collection client, be connected to gather client acquisition server end, and the Web server being connected with acquisition server end, it is characterised in that
Gathering client and including video camera input interface the first picture input module being connected with video camera input interface, the first Car license recognition module being connected to the first picture input module, the first catalogue renewal detection module being connected to the first picture input module and the first Car license recognition module, the first client communication module, the first load tracking reporting module being connected to the first picture input module and the first client communication module and the first heartbeat module, described first heartbeat module connects the first Car license recognition module and the first client communication module respectively；
Acquisition server end, described acquisition server end is without identification function, it includes the first picture transit module that the first load balancing module that the first client control module that first server end communication module is connected is connected with first server end communication module is connected with first server end communication module and the first database being connected with first server end communication module with first server end communication module, and described first load balancing module is also connected with the first picture transit module；
Or, described acquisition server end band identification function, it includes the 3rd server end communication module, the 3rd client control module being connected with the 3rd server end communication module, the 3rd load balancing module being connected with the 3rd server end communication module, the 3rd picture transit module being connected with the 3rd server end communication module, the 3rd database being connected with the 3rd server end communication module, the 3rd picture input module being connected with described 3rd picture transit module, the 3rd Car license recognition module being connected with the 3rd picture input module and the 3rd catalogue renewal detection module connecting the 3rd picture input module and the 3rd Car license recognition module respectively, described 3rd load balancing module is also connected with the 3rd picture transit module；
Separate customer end that described traffic data on-line acquisition system also includes being connected with acquisition server end, that process for Car license recognition, described separate customer end by acquisition server end according to the result of its first load balancing module or the 3rd load balancing module to determine whether to add and to add usage quantity.
2. traffic data on-line acquisition system as claimed in claim 1, it is characterised in that described video camera is connected with gathering client by FTP agreement.
3. traffic data on-line acquisition system as claimed in claim 1, it is characterised in that described collection client connects one or more video camera.
4. traffic data on-line acquisition system as claimed in claim 1, it is characterised in that described acquisition server end connects one or more and gathers client.
5. traffic data on-line acquisition system as claimed in claim 1, it is characterised in that described separate customer end is one or more.
6. traffic data on-line acquisition system as claimed in claim 1, it is characterized in that, described separate customer end includes second picture input module, it is connected to the second Car license recognition module of second picture input module, it is connected to second picture input module and the second catalogue of the second Car license recognition module updates detection module, second client communication module, it is connected to the second load tracking reporting module of second picture input module and the second client communication module, and second heartbeat module, described second heartbeat module connects the second Car license recognition module and the second client communication module respectively.
7. traffic data on-line acquisition system as claimed in claim 1, it is characterized in that, the interpolation number of separate customer end is to draw based on the process of load balancing, calculate by the following method the need of adding separate customer end and obtain: assume there is collection client 1,2 ..., n, their disposal ability is that cc opens the/unit interval, and band identifies that function acquisition server end disposal ability is that sc opens the/unit interval；The load that in unit interval, each collection client receives when data acquisition is the busiest is respectively load1, load2 ... loadn, then quantity X of the separate customer end that data collecting system need to add is:
X=ceil ((load1+load2+ ...+loadn-sc-n*cc)/cc), if calculating gained X value, < 0, then X takes 0, and wherein, the effect of ceil function is for obtaining the smallest positive integral bigger than input value.
8. the traffic data online acquisition method based on the traffic data on-line acquisition system as according to any one of claim 1 ~ 7, it is characterised in that comprise the steps:
Capture picture step: by the automobile of video capture surveillance area process；
Data collection steps: by connect video camera collection client by video capture to image carry out data acquisition process；
Judge whether to add separate customer end step: be full load in all collection clients and the acquisition server end with identifying function and be defined as adding separate customer end step, then mount the separate customer end of predetermined number, otherwise for not needing；
Load balancing judges step: judge whether to load balancing by the first load tracking reporting module of first on acquisition server end or the 3rd load balancing module and the collection client being connected to acquisition server end, if not, it is then identified processing and storing step, if so, then picture is uploaded to acquisition server end；
Identifying processing step: Car license recognition process is carried out for the picture being not required to directly upload；
Storing step: the license plate information after Car license recognition is processed is stored by the database of acquisition server end；And
Show step: the license plate information being stored in the database of acquisition server end after Car license recognition is processed is carried out issuing displaying by Web server.
9. a kind of traffic data online acquisition method as claimed in claim 8, it is characterised in that described method also includes:
If judging load balancing to be carried out, then by the load balancing module of acquisition server end, untreated picture is uploaded to acquisition server end, determined to reach the not enough collection client of workload under this kind of picture or by possessing the acquisition server end of Car license recognition function or separate customer end is processed by acquisition server end, then carry out storing and show step.
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| CN201310142933.XA CN103236168B (en) | 2013-04-23 | 2013-04-23 | Traffic data on-line acquisition system and method |
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| CN201310142933.XA CN103236168B (en) | 2013-04-23 | 2013-04-23 | Traffic data on-line acquisition system and method |
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| CN110889569A (en) * | 2018-09-10 | 2020-03-17 | 杭州萤石软件有限公司 | Computing power allocation method and device |
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Application publication date: 20130807 Assignee: SHENZHEN MIGOU NETWORK TECHNOLOGY Co.,Ltd. Assignor: SHENZHEN POLYTECHNIC Contract record no.: X2023980053777 Denomination of invention: Online Traffic Data Collection System and Methods Granted publication date: 20161102 License type: Common License Record date: 20231225 |