CN2876931Y - Identifying treater for car liscence plate - Google Patents

Identifying treater for car liscence plate Download PDF

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Publication number
CN2876931Y
CN2876931Y CN 200520042889 CN200520042889U CN2876931Y CN 2876931 Y CN2876931 Y CN 2876931Y CN 200520042889 CN200520042889 CN 200520042889 CN 200520042889 U CN200520042889 U CN 200520042889U CN 2876931 Y CN2876931 Y CN 2876931Y
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China
Prior art keywords
image
integrated circuit
circuit board
module
control device
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Expired - Lifetime
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CN 200520042889
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Chinese (zh)
Inventor
李月成
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GAODEWEI INTELLIGENT TRAFFIC SYSTEM CO Ltd SHANGHAI
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GAODEWEI INTELLIGENT TRAFFIC SYSTEM CO Ltd SHANGHAI
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Priority to CN 200520042889 priority Critical patent/CN2876931Y/en
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Abstract

The first new type of a vehicle license plate recognition processing equipment of this utility model comprises an embedded card; a control device, the embedded card is inserted in the PCI slot of the control device; an image capture device, the output termination of the image capture device is connected with the first signal receiving termination of the card; the output control terminal of the card is connected with the signal receiving terminal of the image capture device; a vehicle detector, the signal output terminal of the vehicle detector is connected with the second signal receiving terminal of the card. The second type of vehicle license plate recognition processing equipment comprises: an embedded card; a control device, the embedded card is inserted in the PCI slot of the control device; an I / O card, the first output terminal of the I / O card is connected with the input terminal of the image capture device, and the second output terminal and the first input terminal of the I / O card is connected with the control device; an image capture device, the output terminal of the image capture device is connected with the first signal receiving terminal of the card; a vehicle detector, the signal output terminal of the vehicle detector is connected with the second input terminal of the I / O card.

Description

A kind of novel car plate identification treatment facility
Technical field
The utility model relates to the image processing equipment of area of pattern recognition, especially a kind of novel car plate identification treatment facility.
Background technology
The number-plate number is unique " identity " of vehicle, is the important information of identification, registration, management automobile.License plate recognition technology has been realized the automatic identification of the number-plate number and color, is one of core technology of intelligent transportation system.At present, the Vehicle License Plate Recognition System on the market adopts substantially: video camera-image pick-up card-computing machine (industrial computer) structure, this structure need combine Vehicle License Plate Recognition System with general image equipment.This complex structure, the cost costliness is installed trouble, and is difficult in maintenance; A general capture card can only be connected with a video camera, has increased the cost of equipment; The operation of this Vehicle License Plate Recognition System needs the support of computing machine (industrial computer) operating system, need take the computer resource of operating system, limited by computing power, has reduced the stability of system.
In addition, a kind of embedded, integrated car plate recognizer also has application on market, and this recognizer has adopted dsp processor equipment and the integrated structure of video camera that license plate image is handled.The dsp processor of this integral structure also can only cause the wasting of resources for a video camera service; Total system is operated in outdoor, because the car plate identification equipment need be worked under the various environment at 24 hours, causes system's instability, and is difficult in maintenance; This system need be transferred to main frame by communication interface with data such as recognition result and vehicle pictures, is subjected to the restriction of the communication line bandwidth and the situation of laying in some cases, and is dumb.
Summary of the invention
In order to overcome the above-mentioned deficiency of Vehicle License Plate Recognition System, the purpose of this utility model is to utilize embedded integrated circuit board simultaneously the multichannel traffic video image to be handled license plate recognition result and the vehicle image information of obtaining, and and multichannel wagon detector, multi-section image grasp shoot device and subscriber computer or lane control machine between real-time Communication for Power fast.
In order to realize above-mentioned goal of the invention, the utility model adopts following technical scheme:
A kind of novel car plate identification treatment facility comprises: embedded integrated circuit board; Control device, embedded integrated circuit board are inserted on the PCI slot of control device; The image grasp shoot device, the output terminal of image grasp shoot device links to each other with first signal receiving end of integrated circuit board, and the output control terminal of integrated circuit board links to each other with the signal receiving end of image grasp shoot device; Wagon detector, the signal output part of wagon detector links to each other with the secondary signal receiving end of integrated circuit board.
A kind of car plate identification treatment facility comprises: embedded integrated circuit board; Control device, embedded integrated circuit board are inserted on the PCI slot of control device; The I/O integrated circuit board, first output terminal of I/O integrated circuit board links to each other with the input end of image grasp shoot device, and second output terminal and the first input end of I/O integrated circuit board link to each other with control device; The image grasp shoot device, the output terminal of image grasp shoot device links to each other with first signal receiving end of integrated circuit board; Wagon detector, the signal output part of wagon detector links to each other with second input end of I/O integrated circuit board.
Characteristics of the present utility model are embodied in several aspects: an embedded integrated circuit board can link to each other with multi-section image grasp shoot device with the multichannel wagon detector, obtain the trigger pip of multichannel wagon detector, send to multi-section video camera imaging control signal, gather vision signal from the multi-section video camera; The utility model is finished image acquisition and is handled with identification on embedded integrated circuit board, image acquisition need not to take the pci bus bandwidth, and resources such as the CPU time that need not to take main frame and internal memory are handled in identification; Utilize pci bus and computing machine or the communication of lane control machine, easy to use fast succinct; The plate that carries by the utility model carries I/O interface module realization detection trigger and video camera control function, need not to increase the I/O card; System finishes from the image acquisition to the Flame Image Process, data transmission is given subscriber computer or the lane control machine altogether spended time be less than 200ms.
In addition, the utility model advantage is: one, can realize detection trigger and video camera imaging control function by the I/O interface module on the embedded integrated circuit board, and guarantee image quality; The work of embedded board truck board identification equipment is independent of subscriber computer or lane control machine, is not subjected to the influence of subscriber computer or lane control machine performance and system software, guarantees that system works is stable; Communicate by letter with subscriber computer or lane control machine by pci bus, guarantee that communication in real time, fast.Two, embedded integrated circuit board integrates image acquisition and Flame Image Process, and a card can gather the multichannel camera signal, has saved hardware resources such as image acquisition, subscriber computer or lane control machine; The work of embedded board truck board identification equipment does not need to take subscriber computer or lane control machine resource substantially, has reduced the performance index requirement for the lane control machine.Three, the embedded board card apparatus is installed on the PCI slot, is independent of subscriber computer or the work of lane control machine, and installation and maintenance are simple, reliability is high.
Description of drawings
Below, with reference to accompanying drawing, for those skilled in the art that, to the detailed description of the present utility model, above-mentioned and other purposes of the present utility model, feature and advantage will be apparent.
Fig. 1 is the composition frame chart of first preferred embodiment of the utility model;
Fig. 2 is the composition frame chart of second preferred embodiment of the utility model.
Embodiment
A kind of as shown in Figure 1 novel car plate is discerned the composition of first embodiment of treatment facility.This equipment comprises embedded integrated circuit board 10, control device 40, embedded integrated circuit board is inserted on the PCI slot of control device 40, image grasp shoot device 30, the signal output part of this device links to each other with the signal input part of the image capture module of embedded integrated circuit board 10, in addition, (embedded integrated circuit board also will send the imaging steering order to the image grasp shoot device), the output terminal of wagon detector 20 links to each other with the secondary signal receiving end of integrated circuit board 10.
Investigate embedded integrated circuit board 10 again, this integrated circuit board 10 is inserted on the PCI slot of the lane control machine of control device 40 or subscriber computer, integrated image capture module 101, image processing module 102, I/O interface module 103, pci bus interface module 104 and Central Control Module 105 in the embedded integrated circuit board 10.The course of work of this equipment is as follows: image is captured module vision signal is passed to image capture module, and image capture module carries out giving image processing module after the analog to digital conversion to vision signal, and image processing module generates the imaging control command according to characteristics of image; When vehicle ' is passed through bayonet socket, wagon detector 20 sends trigger pip by the I/O interface module 103 of embedded integrated circuit board 10 to embedded integrated circuit board 10, Central Control Module 105 sends the imaging control signal by I/O interface module 103 to image grasp shoot device 30, and control chart is finished candid photograph as the video camera of grasp shoot device 30 under light filling lamp light filling is auxiliary; Carry out analog to digital conversion behind the video image that image capture module 101 acquisition image grasp shoot devices 30 transmit, and pass to image processing module 102; 102 pairs of data images of image processing module are handled, and obtain license plate image, the identification number-plate number, and storage; The communication between each module is responsible in the work of Central Control Module 105 other each modules of unified command.Embedded integrated circuit board 10 is passed to control device 40 by pci bus interface module 104 with the license plate identification data that collects, transmission digital video image when needing.
Fig. 2 provides the composition of second embodiment of the utility model.This treatment facility comprises image grasp shoot device 50, wagon detector 60, embedded integrated circuit board 80, general purpose I/O integrated circuit board 70 and control device 90, wherein the image grasp shoot device is sent vision signal into image capture module, image capture module carries out sending into image processing module after the analog to digital conversion to the vision signal that obtains, image processing module is according to characteristics of image, generate the imaging control command, in vehicle ' through out-of-date, wagon detector 60 provides trigger pip, general purpose I/O integrated circuit board 70 receives the trigger pip of this wagon detector 60, and this signal sent in the control device 90, this control device 90 is sent this trigger pip into the Central Control Module 803 that embeds integrated circuit board 80 by pci bus, this module provides the imaging control command thus, pass to control device by pci bus, pass to the image grasp shoot device by control device by the I/O integrated circuit board, the image grasp shoot device obtains video image according to the imaging order and passes to the image capture module 801 of embedded integrated circuit board, after image capture module carries out analog to digital conversion with vision signal, send into image processing module 802, this processing module is handled digital picture, obtain license plate image as required, after identifying the number-plate number, pass to control device 90 by pci bus interface module 804.
The utility model is applied in the traffic block port system, owing to can insert a plurality of embedded integrated circuit boards simultaneously on a subscriber computer, each integrated circuit board can be connected with multi-section front end image grasp shoot device with the multichannel wagon detector, therefore can save user's computer resource in a large number, and communication simultaneously fast.
The utility model also can be used for the system that deploys to ensure effective monitoring and control of illegal activities that exceeds the speed limit, and detects overall speed, obtains the vehicle journeys time, and over-speed vehicles is carried out recording processing.When vehicle process bayonet socket A, A place car plate identification equipment identifies the time of the number-plate number and registration of vehicle process A, by pci bus these data is passed to subscriber computer or lane control machine, passes to the transport information processing enter by network then; When vehicle arrives at bayonet socket B, the B place car plate identification equipment identification number-plate number and registration of vehicle are by the time of B, by pci bus these data are passed to subscriber computer or lane control machine, pass to the transport information processing enter by network then, processing enter is compared A, the B place number-plate number, obtain the hourage that this car passes through the AB highway section, under the known situation of AB distance, can obtain the overall speed of vehicle by the AB highway section.When drawing this car and be over-speed vehicles, processing enter can write this license number the blacklist storehouse, and handles, and traffic guidance can be issued, be carried out to the vehicle journeys temporal information simultaneously.
More than all embodiment only for the explanation the utility model usefulness, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or variation, so all technical schemes that are equal to also should belong to category of the present utility model and should be limited by each claim.

Claims (7)

1, a kind of novel car plate identification treatment facility is characterized in that, comprising:
Embedded integrated circuit board;
Control device, described embedded integrated circuit board are inserted on the PCI slot of described control device;
The image grasp shoot device, the output terminal of described image grasp shoot device links to each other with first signal receiving end of described integrated circuit board, and the output control terminal of described integrated circuit board links to each other with the signal receiving end of described image grasp shoot device;
Wagon detector, the signal output part of described wagon detector links to each other with the secondary signal receiving end of described integrated circuit board.
2, a kind of novel car plate identification treatment facility according to claim 1 is characterized in that described embedded board card further comprises:
Image capture module, image processing module, I/O interface module, pci bus interface module and Central Control Module, the trigger pip that described wagon detector obtains is sent into described I/O interface module; Described image grasp shoot device is sent vision signal into described image capture module, and described image capture module carries out sending into image processing module after the analog to digital conversion to the vision signal that obtains, and described image processing module generates the imaging control command according to characteristics of image; When receiving trigger pip, Central Control Module sends the imaging control command by the I/O interface module to described image grasp shoot device, described image processing module obtains license plate image, identifies the number-plate number handling through the image of imaging control, and storage; Described Central Control Module is controlled other each modules, and described embedded board cartoon is crossed the pci bus interface module license plate identification data of handling well is passed to control device.
3, a kind of novel car plate identification treatment facility is characterized in that, comprising:
Embedded integrated circuit board;
Control device, described embedded integrated circuit board are inserted on the PCI slot of described control device;
The I/O integrated circuit board, first output terminal of described I/O integrated circuit board links to each other with the input end of described image grasp shoot device, and second output terminal of described I/O integrated circuit board and first input end link to each other with described control device;
The image grasp shoot device, the output terminal of described image grasp shoot device links to each other with first signal receiving end of described integrated circuit board;
Wagon detector, the signal output part of described wagon detector links to each other with second input end of described I/O integrated circuit board.
4, a kind of novel car plate identification treatment facility according to claim 3 is characterized in that described embedded board card further comprises:
Image capture module, image processing module, pci bus interface module and Central Control Module, wherein, the trigger pip that described wagon detector sends is sent into described control device by described I/O integrated circuit board, and described control device is passed to embedded integrated circuit board by described pci bus interface module; Described image grasp shoot device is sent vision signal into described image capture module, and described image capture module carries out sending into image processing module after the analog to digital conversion to the vision signal that obtains, and described image processing module generates the imaging control command according to characteristics of image; When receiving trigger pip, Central Control Module is passed to described control device with the imaging control command by pci bus, passes to described image grasp shoot device by described control device by described I/O integrated circuit board; Described image processing module obtains license plate image, the identification number-plate number to handling through the image of imaging control, and storage; Described Central Control Module is controlled other each modules, and described embedded board cartoon is crossed the pci bus interface module license plate identification data of handling well is passed to described control device.
5, according to claim 2 or 4 described a kind of novel car plate identification treatment facilities, it is characterized in that:
Described image grasp shoot device further comprises light filling lamp and video camera, after trigger pip is received in described embedded board clamping, sends the imaging control command to described image grasp shoot device.
6, a kind of novel car plate identification treatment facility according to claim 5 is characterized in that:
Described embedded integrated circuit board can with multichannel wagon detector and multi-section image grasp shoot device real-time Communication for Power, obtain the trigger pip of multichannel wagon detector, send to multi-section video camera imaging control signal, gather vision signal from the multi-section video camera.
7, a kind of novel car plate identification treatment facility according to claim 6 is characterized in that,
Described control device further comprises lane control machine or subscriber computer.
CN 200520042889 2005-06-27 2005-06-27 Identifying treater for car liscence plate Expired - Lifetime CN2876931Y (en)

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Application Number Priority Date Filing Date Title
CN 200520042889 CN2876931Y (en) 2005-06-27 2005-06-27 Identifying treater for car liscence plate

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Application Number Priority Date Filing Date Title
CN 200520042889 CN2876931Y (en) 2005-06-27 2005-06-27 Identifying treater for car liscence plate

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CN2876931Y true CN2876931Y (en) 2007-03-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102682608A (en) * 2012-05-16 2012-09-19 江苏尤特斯新技术有限公司 Method for image forensics of motor vehicle plate covering and staining behaviors
CN103258431A (en) * 2012-02-20 2013-08-21 三星泰科威株式会社 Automatic number plate recognition system and method for transmitting vehicle information

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103258431A (en) * 2012-02-20 2013-08-21 三星泰科威株式会社 Automatic number plate recognition system and method for transmitting vehicle information
CN103258431B (en) * 2012-02-20 2017-04-26 韩华泰科株式会社 Automatic number plate recognition system and method for transmitting vehicle information
CN102682608A (en) * 2012-05-16 2012-09-19 江苏尤特斯新技术有限公司 Method for image forensics of motor vehicle plate covering and staining behaviors
CN102682608B (en) * 2012-05-16 2014-02-19 江苏尤特斯新技术有限公司 Method for image forensics of motor vehicle plate covering and staining behaviors

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CX01 Expiry of patent term

Expiration termination date: 20150627

Granted publication date: 20070307

EXPY Termination of patent right or utility model