CN105893909A - Method for applying license plate recognition to intelligent community - Google Patents
Method for applying license plate recognition to intelligent community Download PDFInfo
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- CN105893909A CN105893909A CN201410552872.9A CN201410552872A CN105893909A CN 105893909 A CN105893909 A CN 105893909A CN 201410552872 A CN201410552872 A CN 201410552872A CN 105893909 A CN105893909 A CN 105893909A
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Abstract
The invention discloses a method for applying license plate recognition to an intelligent community, and relates to the technical field of license plate recognition. The method is characterized in that a vehicle detecting and tracking module is connected with a license plate positioning module, the license plate positioning module is connected with a license plate correcting and fine positioning module, the license plate correcting and fine positioning module is connected with a license plate segmentation module, the license plate segmentation module is connected with a license plate recognition module, the license plate recognition module is connected with a license plate recognition result decision-making module, and the license plate recognition result decision-making module is connected with an online updating module. The method is simple in recognition, can recognize a license plate rapidly and accurately, avoids delay of the precious time of a vehicle owner, also saves a lot of manpower and material resources, and effectively improves the safety of the community.
Description
Technical field:
The present invention relates to field of license plate recognition, be specifically related to one based on Car license recognition in intelligence
Application method in intelligent community.
Background technology:
Number plate of vehicle is the sheet material before and after two sides is suspended on car respectively, and normally used material is
Aluminum, plastics or paster, can show onboard the registration number about car, registration area or its
His basic document.Car plate is the numbering to each car, and its Main Function is can be known by car plate
Province, city, county belonging to road car, vehicle administration office can find the owner of car according to car plate.
In existing community, manifold crosses the identification manually completing car plate, and the efficiency of identification is low, meeting
The time of delay car owner, also can waste a lot of manpower and materials.
Summary of the invention:
It is an object of the invention to provide a kind of utilization side based on Car license recognition on intelligence community
Method, it identifies simple, can identify car plate fast and accurately, it is to avoid delay car owner's preciousness
Time, also save substantial amounts of manpower and materials, effectively raise the safety of community.
In order to solve the problem existing for background technology, the present invention is by the following technical solutions:
It comprises automobile detecting following module, License Plate module, car plate correct and fine positioning module,
Car plate cutting module, Car license recognition module, license plate recognition result decision-making module, online updating mould
Block；Automobile detecting following module is connected with License Plate module, and License Plate module is rectified with car plate
Just and fine positioning module connect, car plate correct and fine positioning module be connected with car plate cutting module,
Car plate cutting module is connected with Car license recognition module, and Car license recognition module is determined with license plate recognition result
Plan module connects, and license plate recognition result decision-making module is connected with online updating module.
Specifically, decision-making module utilizes a car plate to described license plate recognition result decision-making module
Through the historical record that the process in the visual field stays, recognition result is carried out intelligentized decision-making.Its
By calculating observation frame number, recognition result stability, trajectory stability, speed stability, put down
All credibility and similarity isometrys are worth to the synthetic reliability evaluation of this car plate, thus determine
It is to continue with following the tracks of this car plate, or output recognition result, or refuses this result.This method
Fully utilize the information of all frames, decrease recognizer based on single image in the past and carried
The accidental error come, substantially increases the discrimination of system and the correctness of recognition result and can
By property.
Owing to being limited by shooting condition, the most unavoidably there is certain inclining in the car plate in image
Tiltedly, a rectification and fine positioning link is needed to improve the quality of license plate image further, for cutting
Divide and identification module is prepared.Use well-designed fast image processing wave filter, not only count
Calculate quickly, and utilize is the Global Information of car plate, it is to avoid the impact that local noise brings.
Use this algorithm another advantage is that by can also be right to the analysis of multiple intermediate object programs
Car plate carries out fine positioning, reduces the impact of non-license plate area further.
Operation principle of the present invention: utilize the dynamic video of vehicle or still image to carry out license plate number
The mode identification technology that code, car plate color identify automatically, the core of technology includes that License Plate is calculated
Method, Character Segmentation of License Plate and optical character recognition algorithms, this technology can be used for parking lot and
Gateway, community, freeway toll station, highway bayonet socket and urban transportation.
The method have the advantages that it identifies simple, can identify fast and accurately
Car plate, it is to avoid delay car owner's valuable time, also saves substantial amounts of manpower and materials, effectively
Improve the safety of community.
Accompanying drawing illustrates:
Fig. 1 is present configuration schematic diagram.
Detailed description of the invention:
Referring to Fig. 1, this detailed description of the invention by the following technical solutions: it comprises vehicle detection
Tracking module 1, License Plate module 2, car plate are corrected and fine positioning module 3, car plate cutting
Module 4, Car license recognition module 5, license plate recognition result decision-making module 6, online updating module 7；
Automobile detecting following module 1 is connected with License Plate module 2, License Plate module 2 and car plate
Correct and fine positioning module 3 connects, car plate rectification and fine positioning module 3 and car plate cutting module
4 connect, and car plate cutting module 4 is connected with Car license recognition module 5, Car license recognition module 5 and
License plate recognition result decision-making module 6 connects, license plate recognition result decision-making module 6 and online updating
Module 7 connects.
Specifically, decision-making module utilizes a car to described license plate recognition result decision-making module 6
The historical record that the board process through the visual field stays, carries out intelligentized decision-making to recognition result.
Its by calculating observation frame number, recognition result stability, trajectory stability, speed stability,
Average credibility and similarity isometry are worth to the synthetic reliability evaluation of this car plate, thus determine
Surely it is to continue with following the tracks of this car plate, or output recognition result, or refuses this result.This side
Method fully utilizes the information of all frames, decreases recognizer institute based on single image in the past
The accidental error brought, substantially increase the discrimination of system and the correctness of recognition result and
Reliability.
Owing to being limited by shooting condition, the most unavoidably there is certain inclining in the car plate in image
Tiltedly, a rectification and fine positioning link is needed to improve the quality of license plate image further, for cutting
Divide and identification module is prepared.Use well-designed fast image processing wave filter, not only count
Calculate quickly, and utilize is the Global Information of car plate, it is to avoid the impact that local noise brings.
Use this algorithm another advantage is that by can also be right to the analysis of multiple intermediate object programs
Car plate carries out fine positioning, reduces the impact of non-license plate area further.
This detailed description of the invention operation principle: utilize the dynamic video of vehicle or still image to carry out
The mode identification technology that the number-plate number, car plate color identify automatically, the core of technology includes car plate
Location algorithm, Character Segmentation of License Plate and optical character recognition algorithms, this technology can be used for stopping
Parking lot and gateway, community, freeway toll station, highway bayonet socket and urban transportation.
The identification of this detailed description of the invention is simple, can identify car plate fast and accurately, it is to avoid indulge in
Put car owner's valuable time, also save substantial amounts of manpower and materials, effectively raise community
Safety.
Claims (1)
1. one kind based on Car license recognition application method on intelligence community, it is characterised in that it
Comprise automobile detecting following module (1), License Plate module (2), car plate rectification and fine positioning mould
Block (3), car plate cutting module (4), Car license recognition module (5), license plate recognition result decision model
Block (6), online updating module (7)；Automobile detecting following module (1) and License Plate module (2)
Connecting, License Plate module (2) is corrected with car plate and fine positioning module (3) is connected, and car plate is corrected
And fine positioning module (3) is connected with car plate cutting module (4), car plate cutting module (4) and car plate
Identification module (5) connects, and Car license recognition module (5) is with license plate recognition result decision-making module (6) even
Connecing, license plate recognition result decision-making module (6) is connected with online updating module (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410552872.9A CN105893909A (en) | 2014-10-16 | 2014-10-16 | Method for applying license plate recognition to intelligent community |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410552872.9A CN105893909A (en) | 2014-10-16 | 2014-10-16 | Method for applying license plate recognition to intelligent community |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105893909A true CN105893909A (en) | 2016-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410552872.9A Pending CN105893909A (en) | 2014-10-16 | 2014-10-16 | Method for applying license plate recognition to intelligent community |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106778648A (en) * | 2016-12-26 | 2017-05-31 | 江苏盛世华安智能科技股份有限公司 | Vehicle tracing and Vehicle License Plate Recognition System and recognition methods |
| CN113343985A (en) * | 2021-06-28 | 2021-09-03 | 展讯通信（上海）有限公司 | License plate recognition method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102722704A (en) * | 2012-06-12 | 2012-10-10 | 厦门宸天电子科技有限公司 | Method and system for recognizing vehicle license plate by integrating video dynamic tracking |
| CN103186982A (en) * | 2011-12-28 | 2013-07-03 | 南京理工大学常熟研究院有限公司 | Intelligent access system for public security |
| CN103295402A (en) * | 2013-07-01 | 2013-09-11 | 广东惠利普路桥信息工程有限公司 | Intelligent traffic overspeed snapshot system |
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2014
- 2014-10-16 CN CN201410552872.9A patent/CN105893909A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103186982A (en) * | 2011-12-28 | 2013-07-03 | 南京理工大学常熟研究院有限公司 | Intelligent access system for public security |
| CN102722704A (en) * | 2012-06-12 | 2012-10-10 | 厦门宸天电子科技有限公司 | Method and system for recognizing vehicle license plate by integrating video dynamic tracking |
| CN103295402A (en) * | 2013-07-01 | 2013-09-11 | 广东惠利普路桥信息工程有限公司 | Intelligent traffic overspeed snapshot system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106778648A (en) * | 2016-12-26 | 2017-05-31 | 江苏盛世华安智能科技股份有限公司 | Vehicle tracing and Vehicle License Plate Recognition System and recognition methods |
| CN106778648B (en) * | 2016-12-26 | 2020-02-07 | 江苏盛世华安互联网科技股份有限公司 | Vehicle track tracking and license plate recognition method |
| CN113343985A (en) * | 2021-06-28 | 2021-09-03 | 展讯通信（上海）有限公司 | License plate recognition method and device |
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Application publication date: 20160824 |