CN101587641A - Detection and identification system for vehicle license plate - Google Patents
Detection and identification system for vehicle license plate Download PDFInfo
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- CN101587641A CN101587641A CNA2008100377958A CN200810037795A CN101587641A CN 101587641 A CN101587641 A CN 101587641A CN A2008100377958 A CNA2008100377958 A CN A2008100377958A CN 200810037795 A CN200810037795 A CN 200810037795A CN 101587641 A CN101587641 A CN 101587641A
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Abstract
The invention provides a detection and identification system for a vehicle license plate. The system comprises an image capture module, an identification module and a monitoring center which are connected in sequence, wherein the image capture module is used for capturing an image capture to the vehicle and transmitting the obtained image to the identification module, the identification module is used for positioning and identifying the license plate in the image and analyzing characters to obtain license plate information and transmitting the license plate information to the monitoring center, the monitoring center is also connected with a database and the vehicle information corresponding to the license plate information can be identified by comparing the license plate information with the vehicle-license plate related data stored in the database. The detection and identification system for the vehicle license plate can rapidly and accurately identify the license plate and the vehicle information within the coverage area of the system, and is beneficial to the managers to real-time monitor and manage to the packed vehicles in the monitoring area.
Description
Technical field
The present invention relates to a kind of monitoring recognition system, particularly a kind of vehicle license detects and recognition system.
Background technology
Along with the construction of continuing to optimize of the development of auto manufacturing and road traffic, the vehicle number in the city sharply rises, and vehicle management becomes a great problem.No matter be large stadium, parking lot or general residential quarters, a large amount of vehicle turnover are all arranged every day, simple employing monitoring video or Hard copy registration can't reach effective control and monitoring, when the generation suspect vehicle is come in and gone out or the interior vehicle in zone is had things stolen, because monitor data is not enough or fail in time to find to stop, has caused and solved a case that difficulty increases, the time lengthening of solving a case.In addition, sometimes because some vehicle parking position not to and influence other vehicle pass-through, at this moment, managerial personnel can't find corresponding car owner by license board information, and management is brought inconvenience.
In view of this, how to provide a kind of car detection recognition system to reduce above-mentioned drawback and become the technical matters that industry needs to be resolved hurrily.
Summary of the invention
Technical matters solved by the invention is to provide a kind of vehicle license to detect and recognition system, to identify car plate, the information of vehicles in this system ovelay range quickly and accurately.
For solving the problems of the technologies described above, the invention provides a kind of vehicle license detects and recognition system, it comprises the image extraction module that connects successively, identification module and Surveillance center, described image extraction module is used for vehicle is carried out capture, and the image that obtains is sent to identification module, described identification module is used for car plate to image and positions identification and character analysis to obtain license board information, again this license board information is sent to Surveillance center, described Surveillance center also links to each other with a database, by with this license board information be stored in vehicle-car plate associated data in the database and compare and can identify and the corresponding information of vehicles of this license board information.
Described system also comprises supplementary module and the detection module that links to each other with image extraction module, this supplementary module is used for carrying out at image extraction module the process auxiliary adjustment light intensity magnitude of capture, and whether this detection module is used to judge in the capture scope of image extraction module has vehicle to sail into.
Described image extraction module has a timing unit, when the timing numerical value of timing unit reaches a preset value, starts image extraction module and carries out a capture.
Described Surveillance center comprises a storer, is used to store image that image extraction module obtains and/or the information of vehicles that Surveillance center identified.
Described Surveillance center also can be connected to a display device and a warning device, and described display device shows vehicle image and/or information of vehicles in real time.
Described identification module positions identification based on rim detection and hough transform to the car plate in the image.
Vehicle license of the present invention detects with recognition system and extracts and the data association tracking by capture, identification, license board information, can obtain the license board information in the photographic images quickly and accurately and find out corresponding information of vehicles, help managerial personnel the dealing parked vehicles in zones such as large stadium, parking lot, residential area is monitored in real time and managed.
Description of drawings
Fig. 1 is the vehicle license detection of a preferred embodiment of the present invention and the structural representation of recognition system.
Embodiment
Below will be described in further detail with recognition system vehicle license detection of the present invention, this vehicle license detects with recognition system can be arranged at all kinds of zones that need carry out monitoring management to the dealing parked vehicles such as large stadium, parking lot, residential area.
Referring to Fig. 1, the vehicle license of a preferred embodiment of the present invention detects and comprises image extraction module 11, identification module 12, Surveillance center 13 and the database 14 that links to each other with Surveillance center 13 that is connected successively with recognition system.
After identification module 12 receives the image that image extraction module 11 sends, the car plate in the image is positioned identification and character analysis to obtain license board information, again this license board information is sent to Surveillance center 13.This location identification and character analytic process can adopt diverse ways to realize, for example adopt the car plate in rim detection and Hough (Hough) the transfer pair image to position identification, registration number character dividing method based on image projection, by analyzing the character picture characteristics in the number-plate number, discern alphanumeric message in the car plate based on character picture geometric shape and stroke structure, thereby obtain complete license board information.
After Surveillance center 13 receives the license board information that identification module 12 sends, with this license board information be stored in vehicle-car plate associated data in the database 14 and compare and can identify and the corresponding information of vehicles of this license board information, for example car owner's name, contact method etc.Preferable, this Surveillance center 13 comprises a storer, is used to store the information of vehicles that image that image extraction module 11 obtained and/or Surveillance center 13 are identified, and stores on the corresponding image that perhaps information of vehicles is added to.In addition, Surveillance center 13 also can be connected to a display device, this display device can show vehicle image and/or information of vehicles in real time, the information that managerial personnel show according to display device can be understood the vehicle condition in the guarded region in real time, if find suspicious situation, can in time take action,, also can relate to corresponding car owner by information of vehicles if find that the vehicle parking position is not right.If needed, this Surveillance center 13 also can link to each other with warning device, if license board information that identification module 12 identifies and the blacklist information matches that is stored in advance in the database 14 then drive warning device by Surveillance center 13 and send warning.
This image extraction module 11 also can be equipped with a supplementary module 15, if the ambient light illumination lower (as evening or overcast and rainy) in the guarded region then when image extraction module 11 captures, is carried out light filling by supplementary module 14, and the light intensity magnitude during with the adjusting capture.
If vehicle license detects image extraction module 11 with recognition system and is arranged on before the parking stall, be captured to as if stationary vehicle, then adopt the system of said structure can finish vehicle detection and identification, in order to save energy consumption, in the image extraction module 11 timing unit can be set, and preestablish the image acquisition cycle, when timing reaches this Preset Time section, start image extraction module 11 and carry out a capture, otherwise image extraction module 11 is failure to actuate.
If the image extraction module 11 of vehicle license detection and recognition system is arranged on the vehicle import and export, be captured to as if the vehicle that travels, then except above-mentioned each module, also should be at the image extraction module 11 other detection modules 16 that are provided with, whether have vehicle sail, if having, then drive image extraction module 11 and take if being used to detect in the capture scope of this image extraction module 11, if no, then image extraction module 11 is in holding state.This detection module 11 can pass through means such as ground induction coil, infrared, radar to be realized.
In sum, vehicle license of the present invention detects with recognition system and follows the trail of by capture, identification, information extraction and data association, can obtain license board information and information of vehicles quickly and accurately, to realize the vehicle management and the monitoring of large stadium, parking lot, residential area etc.
Claims (8)
1, a kind of vehicle license detects and recognition system, it is characterized in that, comprise the image extraction module that connects successively, identification module and Surveillance center, described image extraction module is used for vehicle is carried out capture, and the image that obtains is sent to identification module, described identification module is used for car plate to image and positions identification and character analysis to obtain license board information, again this license board information is sent to Surveillance center, described Surveillance center also links to each other with a database, by with this license board information be stored in vehicle-car plate associated data in the database and compare and can identify and the corresponding information of vehicles of this license board information.
2, vehicle license as claimed in claim 1 detects and recognition system, and it is characterized in that: described system also comprises the supplementary module that links to each other with image extraction module, is used for carrying out at image extraction module the process auxiliary adjustment light intensity magnitude of capture.
3, vehicle license as claimed in claim 1 detects and recognition system, and it is characterized in that: described system also comprises the detection module that links to each other with image extraction module, and whether be used to judge in the capture scope of image extraction module has vehicle to sail into.
4, vehicle license as claimed in claim 1 detects and recognition system, and it is characterized in that: described image extraction module has a timing unit, when the timing numerical value of timing unit reaches a preset value, starts image extraction module and carries out a capture.
5, vehicle license as claimed in claim 1 detects and recognition system, and it is characterized in that: described Surveillance center comprises a storer, is used to store image that image extraction module obtains and/or the information of vehicles that Surveillance center identified.
6, vehicle license as claimed in claim 1 detects and recognition system, and it is characterized in that: described Surveillance center is connected to a display device, and described display device shows vehicle image and/or information of vehicles in real time.
7, vehicle license as claimed in claim 1 detects and recognition system, and it is characterized in that: described Surveillance center is connected to a warning device.
8, vehicle license as claimed in claim 1 detects and recognition system, and it is characterized in that: described identification module positions identification based on rim detection and hough transform to the car plate in the image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100377958A CN101587641A (en) | 2008-05-21 | 2008-05-21 | Detection and identification system for vehicle license plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100377958A CN101587641A (en) | 2008-05-21 | 2008-05-21 | Detection and identification system for vehicle license plate |
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| CN101587641A true CN101587641A (en) | 2009-11-25 |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054305A (en) * | 2010-12-23 | 2011-05-11 | 深圳大学 | Method and system for managing vehicle based on image identifying technique |
| CN102073691A (en) * | 2010-12-23 | 2011-05-25 | 杭州海康威视数字技术股份有限公司 | Vehicle monitoring method and system thereof |
| CN102110367A (en) * | 2009-12-25 | 2011-06-29 | 刘天宇 | System for detecting illegal parking behaviors in real time and control method thereof |
| CN102163287A (en) * | 2011-03-28 | 2011-08-24 | 北京邮电大学 | Method for recognizing characters of licence plate based on Haar-like feature and support vector machine |
| CN102243774A (en) * | 2010-05-12 | 2011-11-16 | 上海宝康电子控制工程有限公司 | Automatic banister control system and method based on license plate information identification and authority management |
| CN102509458A (en) * | 2011-10-19 | 2012-06-20 | 杭州华三通信技术有限公司 | Fake-licensed vehicle identifying method and device |
| CN102542806A (en) * | 2010-12-28 | 2012-07-04 | 沈阳聚德视频技术有限公司 | Real-time monitoring system for license plate shielding of vehicles running on speedway and control method thereof |
| CN102737506A (en) * | 2011-07-01 | 2012-10-17 | 山东佳信自动化有限公司 | Method for immediately collecting information of driving vehicle |
| CN102945367A (en) * | 2012-11-26 | 2013-02-27 | 昆山振天智能化设备有限公司 | Vehicle license plate recognition system |
| CN103280105A (en) * | 2013-05-14 | 2013-09-04 | 广州杰赛科技股份有限公司 | License plate monitoring device and license plate recognition system |
| CN103366577A (en) * | 2013-05-16 | 2013-10-23 | 王斌 | Vehicle license authenticity recognition system |
| CN103745561A (en) * | 2013-07-15 | 2014-04-23 | 广州市浩云安防科技股份有限公司 | Cash truck parking-in-place intelligent detection management device |
| CN104282154A (en) * | 2014-10-29 | 2015-01-14 | 合肥指南针电子科技有限责任公司 | Vehicle overload monitoring system and method |
| CN104282150A (en) * | 2014-09-29 | 2015-01-14 | 北京汉王智通科技有限公司 | Recognition device and system of moving target |
| CN104751636A (en) * | 2013-12-27 | 2015-07-01 | 贺江涛 | Video analysis-based unlicensed taxi statistical system and method |
| CN105160340A (en) * | 2015-08-31 | 2015-12-16 | 桂林电子科技大学 | Vehicle brand identification system and method |
| CN105208299A (en) * | 2014-04-29 | 2015-12-30 | 杭州美盛红外光电技术有限公司 | Thermal image shooting device, thermal image processing device, thermal image shooting method and thermal image processing method |
| CN108460991A (en) * | 2018-05-14 | 2018-08-28 | 北京科技大学 | A kind of parking position monitoring alarming device and method |
| CN110648539A (en) * | 2018-06-27 | 2020-01-03 | 丰田自动车株式会社 | In-vehicle device and control method |
| CN112735145A (en) * | 2020-12-31 | 2021-04-30 | 武汉四方捷通科技有限公司 | License plate recognition system capable of improving recognition accuracy |
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2008
- 2008-05-21 CN CNA2008100377958A patent/CN101587641A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110367A (en) * | 2009-12-25 | 2011-06-29 | 刘天宇 | System for detecting illegal parking behaviors in real time and control method thereof |
| CN102243774A (en) * | 2010-05-12 | 2011-11-16 | 上海宝康电子控制工程有限公司 | Automatic banister control system and method based on license plate information identification and authority management |
| CN102243774B (en) * | 2010-05-12 | 2015-08-12 | 上海宝康电子控制工程有限公司 | A kind of method that the automatic banister control system based on license board information identification and rights management is controlled |
| CN102073691A (en) * | 2010-12-23 | 2011-05-25 | 杭州海康威视数字技术股份有限公司 | Vehicle monitoring method and system thereof |
| CN102054305A (en) * | 2010-12-23 | 2011-05-11 | 深圳大学 | Method and system for managing vehicle based on image identifying technique |
| CN102542806B (en) * | 2010-12-28 | 2014-01-01 | 沈阳聚德视频技术有限公司 | Real-time monitoring system for license plate shielding of vehicles running on speedway and control method thereof |
| CN102542806A (en) * | 2010-12-28 | 2012-07-04 | 沈阳聚德视频技术有限公司 | Real-time monitoring system for license plate shielding of vehicles running on speedway and control method thereof |
| CN102163287A (en) * | 2011-03-28 | 2011-08-24 | 北京邮电大学 | Method for recognizing characters of licence plate based on Haar-like feature and support vector machine |
| CN102737506A (en) * | 2011-07-01 | 2012-10-17 | 山东佳信自动化有限公司 | Method for immediately collecting information of driving vehicle |
| CN102737506B (en) * | 2011-07-01 | 2015-08-12 | 山东佳信自动化有限公司 | A kind of method realizing driving vehicle information instantaneous acquiring |
| CN102509458B (en) * | 2011-10-19 | 2015-01-14 | 杭州华三通信技术有限公司 | Fake-licensed vehicle identifying method and device |
| CN102509458A (en) * | 2011-10-19 | 2012-06-20 | 杭州华三通信技术有限公司 | Fake-licensed vehicle identifying method and device |
| CN102945367A (en) * | 2012-11-26 | 2013-02-27 | 昆山振天智能化设备有限公司 | Vehicle license plate recognition system |
| CN103280105A (en) * | 2013-05-14 | 2013-09-04 | 广州杰赛科技股份有限公司 | License plate monitoring device and license plate recognition system |
| CN103280105B (en) * | 2013-05-14 | 2015-09-30 | 广州杰赛科技股份有限公司 | Car plate monitoring device and Vehicle License Plate Recognition System |
| CN103366577B (en) * | 2013-05-16 | 2015-12-23 | 王斌 | Vehicle license authenticity recognition system |
| CN103366577A (en) * | 2013-05-16 | 2013-10-23 | 王斌 | Vehicle license authenticity recognition system |
| CN103745561A (en) * | 2013-07-15 | 2014-04-23 | 广州市浩云安防科技股份有限公司 | Cash truck parking-in-place intelligent detection management device |
| CN104751636A (en) * | 2013-12-27 | 2015-07-01 | 贺江涛 | Video analysis-based unlicensed taxi statistical system and method |
| CN105208299A (en) * | 2014-04-29 | 2015-12-30 | 杭州美盛红外光电技术有限公司 | Thermal image shooting device, thermal image processing device, thermal image shooting method and thermal image processing method |
| CN104282150A (en) * | 2014-09-29 | 2015-01-14 | 北京汉王智通科技有限公司 | Recognition device and system of moving target |
| CN104282150B (en) * | 2014-09-29 | 2017-01-11 | 北京数字智通科技有限公司 | Recognition device and system of moving target |
| CN104282154A (en) * | 2014-10-29 | 2015-01-14 | 合肥指南针电子科技有限责任公司 | Vehicle overload monitoring system and method |
| CN105160340A (en) * | 2015-08-31 | 2015-12-16 | 桂林电子科技大学 | Vehicle brand identification system and method |
| CN108460991A (en) * | 2018-05-14 | 2018-08-28 | 北京科技大学 | A kind of parking position monitoring alarming device and method |
| CN110648539A (en) * | 2018-06-27 | 2020-01-03 | 丰田自动车株式会社 | In-vehicle device and control method |
| CN110648539B (en) * | 2018-06-27 | 2022-09-23 | 丰田自动车株式会社 | In-vehicle device and control method |
| CN112735145A (en) * | 2020-12-31 | 2021-04-30 | 武汉四方捷通科技有限公司 | License plate recognition system capable of improving recognition accuracy |
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Open date: 20091125 |