CN103761878A - License plate recognition system and method - Google Patents
License plate recognition system and method Download PDFInfo
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- CN103761878A CN103761878A CN201410024853.9A CN201410024853A CN103761878A CN 103761878 A CN103761878 A CN 103761878A CN 201410024853 A CN201410024853 A CN 201410024853A CN 103761878 A CN103761878 A CN 103761878A
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Abstract
The invention provides a license plate recognition system and method. The method comprises the following steps: step 1, a user inputs a license plate image information acquisition instruction; step 2, a panorama camera is used for image capture of a license plate of a vehicle, so that license plate image information is obtained, and the position information of the panorama camera during operation is determined at the same time; step 3, a license plate recognition module is started to conduct automatic recognition and extraction of the license plate image information, so that license plate information is obtained; step 4, the license plate image information, the position information and the license plate information are stored; step 5, a display module is used for displaying the license plate image information, the position information and the license plate information. According to the license plate recognition system and method, the panorama camera is used for acquiring the license plate image information in a moving mode, and automatic recording of illegal parking information of an illegally parked motor vehicle is conducted in combination with the actual position information; as a result, the efficiency of duty performance of traffic police is improved, and manpower and material resources are saved.
Description
Technical field
The present invention relates to field of image recognition, relate in particular to a kind of Vehicle License Plate Recognition System and recognition methods thereof.
Background technology
Along with the raising of China's living standards of the people, the recoverable amount of motor vehicle is also in continuous increase, and the motor vehicle separated phenomenon of stopping in large-and-medium size cities is also day by day serious, even occurs that disobeying parking is in the way, and fire truck cannot pass through, and makes fire can not obtain the phenomenon of control in time.Motor vehicle is disobeyed and is stopped not only seriously increasing traffic pressure and have the hidden danger that affects social public security.
Chinese patent CN201310160219.3 has disclosed a kind of intelligent parking lot Vehicle License Plate Recognition System, mainly comprise computer system, car plate identification module and parking stall bootstrap module, described car plate identification module comprises image acquisition units, car plate positioning unit, car plate correcting unit, Character segmentation unit, car plate recognition unit, the result output unit being connected with computer system respectively, and described parking stall bootstrap module comprises display unit, the probe unit being connected with computer system respectively.This invention has greatly guaranteed the accuracy of parking lot car plate identification and high efficiency and the security that has improved parking lot management.But this license plate recognition device can only be applied in some specific occasions as regions such as parking lot, traffic intersections, and can not batch capture license plate image information.Accordingly, the vehicle of stopping for roadside, traffic police still can only get off and carry out Taking Pictures recording, manual entry positional information record in enforcing law.After local police station/public security bureau under getting back to, also need to upload by hand to disobey to stop information of vehicles, law enforcement efficiency is lower.
Summary of the invention
The technical matters that the present invention solves is to provide a kind of Vehicle License Plate Recognition System and recognition methods thereof, in 360 degree panorama sketchs, automatically extracts and disobeys the number-plate number of shutting down motor-car, can disobey the information of stopping by automatic input, improves law enforcement efficiency.
In order to solve above technical matters, the invention provides a kind of Vehicle License Plate Recognition System, it comprises image capture module, positional information acquisition module, human-computer interaction module, car plate identification module, database module, display module, and the control module of controlling above each module;
Described image capture module carries out image acquisition to the car plate of vehicle, to obtain license plate image information;
Described positional information acquisition module is connecting image capture module, residing positional information during for definite image capture module work;
Described human-computer interaction module is for receiving the instruction of user input, and starts car plate identification module license plate image information is identified;
Described car plate identification module is for automatically identifying and extract license plate image information, to obtain license board information;
Described database module is used for storing described license plate image information, positional information and license board information;
Described display module is used for showing described license plate image information, positional information and license board information.
Preferably, described image capture module is 360 degree panorama cameras, and is arranged on the top of vehicle.
Preferably, described image capture module is connected with human-computer interaction module, so that the exposure of image capture module, white balance, collection frame number are regulated.
Preferably, described positional information acquisition module comprises big-dipper satellite/gps satellite receiver module and inertial navigation module.
Preferably, described positional information acquisition module is fixed on vehicle roof.
Preferably, described car plate identification module adopts optical character recognition OCR method that license plate image information is automatically identified and extracted.
In order to solve above technical matters, the present invention also provides a kind of licence plate recognition method, and it comprises the following steps:
S1, user input license plate image information acquisition instruction;
S2, employing panorama camera carry out image acquisition to the car plate of vehicle, to obtain license plate image information, meanwhile, residing positional information while determining panorama camera work;
S3, startup car plate identification module are automatically identified and extract license plate image information, to obtain license board information;
S4, store described license plate image information, positional information and license board information;
S5, employing display module show described license plate image information, positional information and license board information.
Preferably, in step S1, described panorama camera is arranged on the top of vehicle, and the travel speed of described vehicle is no more than 40km/ hour.
Preferably, in step S2, described positional information adopts big-dipper satellite/gps satellite receiver module and inertial navigation module to obtain.
Preferably, in step S3, described car plate identification module adopts optical character recognition OCR method that license plate image information is automatically identified and extracted.
The invention provides a kind of Vehicle License Plate Recognition System and recognition methods thereof; the collection license plate image information of moving by panorama camera, and in conjunction with positional information on the spot, disobey the separated information automatic input that stops of shutdown motor-car; to improve the efficiency of traffic police on duty, use manpower and material resources sparingly.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of Vehicle License Plate Recognition System of the present invention;
Fig. 2 is the process flow diagram of licence plate recognition method of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described in further detail.
Please refer to Fig. 1, the invention provides a kind of Vehicle License Plate Recognition System 100, it comprises image capture module 20, positional information acquisition module 30, human-computer interaction module 40, car plate identification module 50, database module 60, display module 70, and the control module 80 of controlling above each module.
Described image capture module 20 is 360 degree panorama cameras, and is arranged on the top of enforcement vehicle, by travelling of enforcement vehicle, the car plate disobey stopping is carried out to image acquisition, to obtain license plate image information.Conventionally, recording image speed is 5-15 frame/second, and the gait of march of enforcement vehicle in enforcing law is not more than 40km/ hour, to guarantee video data integrality.Described panorama camera is fixed on enforcement vehicle top, and enforcement vehicle provides the power supply of panorama camera.
Described positional information acquisition module 30 is fixed on enforcement vehicle top, is connecting image capture module 20, residing positional information during for definite image capture module 20 work.Described positional information acquisition module 30 comprises big-dipper satellite/gps satellite receiver module and inertial navigation module, and both,, in conjunction with carrying out integrated location location, guarantee still can reach positioning precision in the situation that of satellite-signal losing lock.Specifically, described positional information acquisition module 30, by data line and panorama camera UNICOM, is recorded the positional information of enforcement vehicle and panorama camera when panorama camera is taken.After regulating each parameter of panorama camera, open site information acquisition module 30, receiving satellite signal quantity, higher than after 5, can be carried out the collection of view data at the same time.
Described human-computer interaction module 40 is for receiving the instruction of user input, and starts 50 pairs of license plate image information of car plate identification module and identify.Described human-computer interaction module 40 is connected with image capture module 20, so that the exposure of image capture module 20, white balance, collection frame number are regulated.
Described car plate identification module 50 is for automatically identifying and extract license plate image information, to obtain license board information.Described car plate identification module 50 adopts optical character recognition OCR method that license plate image information is automatically identified and extracted.Now, the shooting situation of distant view photograph, positional information, camera information can be checked by display device 70.
Described database module 60 is for storing described license plate image information, positional information and license board information.When extracting license board information, extract in the lump panoramic pictures and the positional information of this car plate.The license board information of extracting, panoramic pictures information and positional information are matched rear logging data library module 60.Described database module 60 also can be called by existing public security traffic system violating the regulations.
Described display module 70 can be used for license plate image information described in instant playback, positional information and license board information.
Please refer to Fig. 2, the present invention also provides a kind of licence plate recognition method, and it comprises the following steps:
S1, user input license plate image information acquisition instruction;
In step S1, described panorama camera is arranged on the top of vehicle, and the travel speed of described vehicle is no more than 40km/ hour.
S2, employing panorama camera carry out image acquisition to the car plate of vehicle, to obtain license plate image information, meanwhile, residing positional information while determining panorama camera work;
In step S2, described positional information adopts big-dipper satellite/gps satellite receiver module and inertial navigation module to obtain.
S3, startup car plate identification module are automatically identified and extract license plate image information, to obtain license board information;
In step S3, described car plate identification module adopts optical character recognition OCR method that license plate image information is automatically identified and extracted.
S4, store described license plate image information, positional information and license board information;
S5, employing display module show described license plate image information, positional information and license board information.
By above step, law enfrocement official, by connecting public security traffic system violating the regulations, has realized the specific location separated situation automatic input that stops of vehicle in batches.
The invention provides a kind of Vehicle License Plate Recognition System and recognition methods thereof; the collection license plate image information of the batch moving by panorama camera, and in conjunction with positional information on the spot, realized the separated information automatic input that stops of separated shutdown motor-car; to improve the efficiency of traffic police on duty, use manpower and material resources sparingly.In addition, panorama 3-D display is more directly perceived, and image information is more comprehensive, and record position information and car plate identification certainty are stronger, have finally promoted law enforcement efficiency.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change and distortion all should belong to the protection domain of the claims in the present invention.
Claims (10)
1. a Vehicle License Plate Recognition System, is characterized in that, comprises image capture module, positional information acquisition module, human-computer interaction module, car plate identification module, database module, display module, and the control module of controlling above each module;
Described image capture module carries out image acquisition to the car plate of vehicle, to obtain license plate image information;
Described positional information acquisition module is connecting image capture module, residing positional information during for definite image capture module work;
Described human-computer interaction module is for receiving the instruction of user input, and starts car plate identification module license plate image information is identified;
Described car plate identification module is for automatically identifying and extract license plate image information, to obtain license board information;
Described database module is used for storing described license plate image information, positional information and license board information;
Described display module is used for showing described license plate image information, positional information and license board information.
2. Vehicle License Plate Recognition System according to claim 1, is characterized in that: described image capture module is 360 degree panorama cameras, and is arranged on the top of vehicle.
3. Vehicle License Plate Recognition System according to claim 1, is characterized in that: described image capture module is connected with human-computer interaction module, so that the exposure of image capture module, white balance, collection frame number are regulated.
4. Vehicle License Plate Recognition System according to claim 1, is characterized in that: described positional information acquisition module comprises big-dipper satellite/gps satellite receiver module and inertial navigation module.
5. Vehicle License Plate Recognition System according to claim 1, is characterized in that: described positional information acquisition module is fixed on vehicle roof.
6. Vehicle License Plate Recognition System according to claim 1, is characterized in that: described car plate identification module adopts optical character recognition OCR method that license plate image information is automatically identified and extracted.
7. a licence plate recognition method, is characterized in that, comprises the following steps:
S1, user input license plate image information acquisition instruction;
S2, employing panorama camera carry out image acquisition to the car plate of vehicle, to obtain license plate image information, meanwhile, residing positional information while determining panorama camera work;
S3, startup car plate identification module are automatically identified and extract license plate image information, to obtain license board information;
S4, store described license plate image information, positional information and license board information;
S5, employing display module show described license plate image information, positional information and license board information.
8. licence plate recognition method according to claim 7, is characterized in that, in step S1, described panorama camera is arranged on the top of vehicle, and the travel speed of described vehicle is no more than 40km/ hour.
9. licence plate recognition method according to claim 7, is characterized in that, in step S2, described positional information adopts big-dipper satellite/gps satellite receiver module and inertial navigation module to obtain.
10. licence plate recognition method according to claim 7, is characterized in that, in step S3, described car plate identification module adopts optical character recognition OCR method that license plate image information is automatically identified and extracted.
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| CN201410024853.9A CN103761878A (en) | 2014-01-20 | 2014-01-20 | License plate recognition system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427400A (en) * | 2015-11-06 | 2016-03-23 | 厦门大学 | Parking time monitoring system |
| CN107705115A (en) * | 2017-03-03 | 2018-02-16 | 西安艾润物联网技术服务有限责任公司 | License plate number input method and device |
| CN108538057A (en) * | 2017-03-03 | 2018-09-14 | 群光电能科技股份有限公司 | Cloud cross-region license plate identification system |
| CN110874934A (en) * | 2018-08-29 | 2020-03-10 | 北京万集科技股份有限公司 | License plate recognition method, system and device |
| CN113327428A (en) * | 2021-06-21 | 2021-08-31 | 深圳腾达智能科技有限公司 | Method for rapidly acquiring data of vehicles entering and leaving parking lot |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1750060A (en) * | 2004-09-14 | 2006-03-22 | 乐金电子(中国)研究开发中心有限公司 | Device and method for detecting vehicle speed of mobile terminal |
| CN1845199A (en) * | 2005-04-08 | 2006-10-11 | 中国科学院自动化研究所 | Motor vehicle peccancy behavior automatic shooting device and method mounted on bus |
| KR20070082980A (en) * | 2006-02-20 | 2007-08-23 | 손승남 | Moving illegal vehicles detection system and method of using the same |
| KR20070109713A (en) * | 2006-05-12 | 2007-11-15 | 주식회사 라이크텍 | Movable regulation system for illegal stoping and parking car |
| CN101738828A (en) * | 2009-12-24 | 2010-06-16 | 北京优纳科技有限公司 | CCD high-definition intelligent industrial camera |
| CN202694573U (en) * | 2012-06-15 | 2013-01-23 | 深圳市天勤科技有限公司 | License plate recognition vehicle management unit based on android platform |
-
2014
- 2014-01-20 CN CN201410024853.9A patent/CN103761878A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1750060A (en) * | 2004-09-14 | 2006-03-22 | 乐金电子(中国)研究开发中心有限公司 | Device and method for detecting vehicle speed of mobile terminal |
| CN1845199A (en) * | 2005-04-08 | 2006-10-11 | 中国科学院自动化研究所 | Motor vehicle peccancy behavior automatic shooting device and method mounted on bus |
| KR20070082980A (en) * | 2006-02-20 | 2007-08-23 | 손승남 | Moving illegal vehicles detection system and method of using the same |
| KR20070109713A (en) * | 2006-05-12 | 2007-11-15 | 주식회사 라이크텍 | Movable regulation system for illegal stoping and parking car |
| CN101738828A (en) * | 2009-12-24 | 2010-06-16 | 北京优纳科技有限公司 | CCD high-definition intelligent industrial camera |
| CN202694573U (en) * | 2012-06-15 | 2013-01-23 | 深圳市天勤科技有限公司 | License plate recognition vehicle management unit based on android platform |
Non-Patent Citations (3)
| Title |
|---|
| 张洪刚 等: "《图像处理与识别》", 30 September 2006, article "图像识别系统", pages: 151-155 * |
| 董绪荣 等: "《GPS/INS组合导航定位及其应用》", 30 June 1998, article "GPS/INS组合导航定位及其发展", pages: 22-28 * |
| 高社生 等: "《组合导航原理及应用》", 30 September 2012, article "北斗组合导航系统", pages: 238-256 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427400A (en) * | 2015-11-06 | 2016-03-23 | 厦门大学 | Parking time monitoring system |
| CN107705115A (en) * | 2017-03-03 | 2018-02-16 | 西安艾润物联网技术服务有限责任公司 | License plate number input method and device |
| CN108538057A (en) * | 2017-03-03 | 2018-09-14 | 群光电能科技股份有限公司 | Cloud cross-region license plate identification system |
| CN108538057B (en) * | 2017-03-03 | 2020-08-07 | 群光电能科技股份有限公司 | Cloud cross-region license plate identification system |
| CN110874934A (en) * | 2018-08-29 | 2020-03-10 | 北京万集科技股份有限公司 | License plate recognition method, system and device |
| CN113327428A (en) * | 2021-06-21 | 2021-08-31 | 深圳腾达智能科技有限公司 | Method for rapidly acquiring data of vehicles entering and leaving parking lot |
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Application publication date: 20140430 |