CN102436744B - Method and device for locking license plate picture - Google Patents
Method and device for locking license plate picture Download PDFInfo
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- CN102436744B CN102436744B CN201110279784.2A CN201110279784A CN102436744B CN 102436744 B CN102436744 B CN 102436744B CN 201110279784 A CN201110279784 A CN 201110279784A CN 102436744 B CN102436744 B CN 102436744B
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Abstract
The invention relates to a method and device for locking a license plate picture. The method comprises the following steps of: snapping a photo of a vehicle; identifying the regional position of a license plate of the vehicle in the photo of the vehicle; and according to the regional position of the license plate in the photo of the vehicle, and marking the region of the license plate in the photo of the vehicle so as to lock the license plate picture. In the invention, the photo of the vehicle is snapped, and the regional position of the license plate of the vehicle in the photo of the vehicle is identified; and the region of the license plate is marked in the photo of the vehicle according to the regional position, namely a bounding box of the region of the license plate is drawn in the photo of the vehicle, the marked region of the license plate or a vehicle body in which the marked region of the license plate is located is intercepted according to coordinates of the marked region of the license plate on a map, and then the marked region or the vehicle body is displayed on a terminal display screen so as to transform display of the large region containing the license plate into local display of the region of the license plate. Therefore, by adopting the technical scheme, quick locking of the license plate can be realized, the manual search workload can be reduced, and the working efficiency can be improved.
Description
Technical field
The present invention relates to automobile monitoring technical field, relate in particular to a kind of car plate picture locking means and device.
Background technology
At present, the locking of car plate picture adopts conventionally captures vehicle in fixed position, centered by the region often occurring, choose a larger region and lock car plate picture by near car plate stop line.
But, because the size of vehicle is variant, track stop line also has irregular, upright situation, therefore; adopt above-mentioned lock mode; often there will be car plate locking picture area to locate inaccurate situation, increased the difficulty of manual search, reduced work efficiency.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of car plate picture locking means and device, is intended to realize the quick lock in of car plate, reduces manual search workload, increases work efficiency.
In order to achieve the above object, the present invention proposes a kind of car plate picture locking means, comprises the following steps:
Capture vehicle photo;
The regional location of the car plate of identifying described vehicle in described vehicle photo; According to the feature of described car plate, determine the regional location of described car plate in described vehicle photo; The feature of car plate comprises car plate shape and the number-plate number;
Regional location according to described car plate in described vehicle photo, at described vehicle photo acceptance of the bid note license plate area, realizes the locking of car plate picture.
Preferably, the step of described candid photograph vehicle photo comprises:
When described Vehicle Driving Cycle is through the described vehicle photo of out-of-date candid photograph.
Preferably, the described step at vehicle photo acceptance of the bid note license plate area comprises:
In described vehicle photo, draw license plate area bounding box; Or, in described vehicle photo, described license plate area is carried out to color and plays up.
Preferably, the step of the described locking that realizes car plate picture comprises:
The coordinate of the license plate area that obtains mark on map;
Intercept the vehicle body at the license plate area of described mark or the license plate area place of described mark according to described coordinate;
On terminal display screen, show the vehicle body at the license plate area of described mark or the license plate area place of described mark.
The present invention also proposes a kind of car plate picture locking device, comprising:
Vehicle snapshot module, for capturing vehicle photo;
Car plate identification module, for identifying the car plate of described vehicle at the regional location of described vehicle photo; Also, for according to the feature of described car plate, determine the regional location of described car plate in described vehicle photo; The feature of car plate comprises car plate shape and the number-plate number;
Car plate picture locking module, for the regional location at described vehicle photo according to described car plate, at described vehicle photo acceptance of the bid note license plate area, realizes the locking of car plate picture.
Preferably, described vehicle snapshot module is also for working as described Vehicle Driving Cycle through the described vehicle photo of out-of-date candid photograph.
Preferably, described car plate picture locking module comprises:
Indexing unit, for drawing license plate area bounding box at described vehicle photo; Or, in described vehicle photo, described license plate area is carried out to color and plays up;
Coordinate acquiring unit, the coordinate for the license plate area that obtains mark on map;
Interception unit, for intercepting the vehicle body at the license plate area of described mark or the license plate area place of described mark according to described coordinate;
Display unit, for showing the vehicle body at the license plate area of described mark or the license plate area place of described mark on terminal display screen.
Preferably, described vehicle snapshot module at least comprises camera or electronic eyes.
A kind of car plate picture locking means and device that the present invention proposes, by capturing vehicle photo, and identify the regional location of vehicle license plate in vehicle photo; According to this regional location, at vehicle photo acceptance of the bid note license plate area, such as draw license plate area bounding box in vehicle photo, car plate picture is locked, and according to the license plate area of mark the coordinate on map, intercept the vehicle body at the license plate area of mark or the license plate area place of mark, be presented on terminal display screen, thereby to comprising the demonstration of car plate in interior large region, be positioned to the local repressentation of license plate area, realize the quick lock in of car plate, reduced manual search workload, improved work efficiency.
Brief description of the drawings
Fig. 1 is car plate picture locking means one embodiment schematic flow sheet of the present invention;
Fig. 2 be in car plate picture locking means of the present invention one embodiment according to car plate the regional location in vehicle photo, at vehicle photo acceptance of the bid note license plate area, realize the schematic flow sheet of the locking of car plate picture;
Fig. 3 is the structural representation of car plate picture locking device of the present invention one embodiment;
Fig. 4 is the structural representation of car plate picture locking module in car plate picture locking device of the present invention one embodiment.
In order to make technical scheme of the present invention clearer, clear, be described in further detail below in conjunction with accompanying drawing.
Embodiment
Solution for embodiment of the invention is mainly: by capturing vehicle photo, and identify the regional location of vehicle license plate in vehicle photo; According to this regional location, at vehicle photo acceptance of the bid note license plate area, such as draw license plate area bounding box in vehicle photo, by the locking of car plate picture, to reduce manual operation difficulty, increase work efficiency.
As shown in Figure 1, one embodiment of the invention proposes a kind of car plate picture locking means, comprising:
Step S101, captures vehicle photo;
In order to realize the accurate location to vehicle license plate, facilitate the locking of car plate, the present embodiment is captured vehicle photo by watch-dogs such as camera or electronic eyess, can be at Vehicle Driving Cycle through out-of-date candid photograph vehicle photo, and also can be to stopping at fixed position such as the vehicle on parking lot is captured.
Step S102, the regional location of the car plate of identification vehicle in vehicle photo;
When capturing after vehicle photo, identify the regional location of vehicle license plate in vehicle photo, specifically can determine the regional location of car plate in vehicle photo according to the feature of car plate.
Wherein, the feature of car plate comprises car plate shape and the number-plate number.
In the time determining the regional location of car plate in vehicle photo, can carry out Primary Location to car plate according to vehicle license plate characteristic, afterwards car plate is accurately located.
For the car plate that there is no the number-plate number, can first roughly determine the regional location of car plate according to the shape of car plate, follow-up can positioning car plate according to the coordinate of the regional location of car plate.
Step S103, the regional location according to car plate in vehicle photo, at vehicle photo acceptance of the bid note license plate area, realizes the locking of car plate picture.
Identify after the regional location of vehicle license plate in vehicle photo, in vehicle photo, mark license plate area, such as draw license plate area bounding box in vehicle photo; Or, in vehicle photo, license plate area being carried out to color plays up, in the picture that the car plate of vehicle can be shown at vehicle photo by above-mentioned mark, lock, realize the accurate location of vehicle license plate, afterwards, the coordinate of license plate area that can be by obtaining mark on map, and then according to the vehicle body at the coordinate intercepting license plate area of mark or the license plate area place of mark, finally can be on terminal display screen the license plate area of show tags, or the vehicle body at the license plate area place of show tags.
In the specific implementation,
As shown in Figure 2, above-mentioned steps S103 comprises:
Step S1031, the regional location according to car plate in vehicle photo, at vehicle photo acceptance of the bid note license plate area;
Step S1032, the coordinate of the license plate area that obtains mark on map;
Step S1033, according to the vehicle body at the coordinate intercepting license plate area of mark or the license plate area place of mark;
Step S1034, the vehicle body at the license plate area place of the license plate area of show tags or mark on terminal display screen.
The present embodiment passes through to capture vehicle photo, and identifies the regional location of vehicle license plate in vehicle photo; According to this regional location, at vehicle photo acceptance of the bid note license plate area, such as draw license plate area bounding box in vehicle photo, car plate picture is locked, and can be according to the license plate area of mark the coordinate on map, intercept the vehicle body at the license plate area of mark or the license plate area place of mark, be presented on terminal display screen, thereby to comprising the demonstration of car plate in interior large region, be positioned to the local repressentation of license plate area, realize the quick lock in of car plate, reduced manual search workload, improved work efficiency.
As shown in Figure 3, one embodiment of the invention proposes a kind of car plate picture locking device, comprising: vehicle snapshot module 301, car plate identification module 302 and car plate picture locking module 303, wherein:
Vehicle snapshot module 301, for capturing vehicle photo;
Car plate identification module 302, for identifying the car plate of vehicle at the regional location of vehicle photo;
Car plate picture locking module 303, for the regional location at vehicle photo according to car plate, at vehicle photo acceptance of the bid note license plate area, realizes the locking of car plate picture.
In order to realize the accurate location to vehicle license plate, the convenient quick lock in to car plate, the present embodiment passes through vehicle snapshot module 301 such as the watch-dog such as camera or electronic eyes is captured vehicle photo, can be at Vehicle Driving Cycle through out-of-date candid photograph vehicle photo, also can be to stopping at fixed position such as the vehicle on parking lot is captured.
When vehicle snapshot module 301 is captured after vehicle photo, vehicle snapshot module 301 by candid photograph to vehicle photo send to car plate identification module 302, identify the regional location of vehicle license plate in vehicle photo by car plate identification module 302, specifically can determine the regional location of car plate in vehicle photo by the feature of identification car plate.Wherein, the feature of car plate comprises car plate shape and the number-plate number.In the time determining the regional location of car plate in vehicle photo, can carry out Primary Location to car plate according to vehicle license plate characteristic, afterwards car plate is accurately located.
Car plate identification module 302 identifies after the regional location of vehicle license plate in vehicle photo, by the vehicle license plate identifying, the regional location in vehicle photo sends to car plate picture locking module 303 to car plate identification module 302, board picture locking module 303 marks license plate area in vehicle photo, such as draw license plate area bounding box in vehicle photo; Or, in vehicle photo, license plate area is carried out to color and play up, in the picture that the car plate of vehicle can be shown at vehicle photo by above-mentioned mark, lock, realize the accurate location of vehicle license plate.
Particularly, car plate identification module 302 is also for determining the regional location of car plate at vehicle photo according to vehicle license plate characteristic.
Car plate picture locking module 303 is also for drawing license plate area bounding box at vehicle photo; Or, in vehicle photo, license plate area is carried out to color and plays up.
As shown in Figure 4, car plate picture locking module 303 comprises:
Indexing unit 3031, for drawing license plate area bounding box at vehicle photo; Or, in vehicle photo, described license plate area is carried out to color and plays up;
Coordinate acquiring unit 3032, the coordinate for the license plate area that obtains mark on map;
Interception unit 3033, for intercepting the vehicle body at the license plate area of mark or the license plate area place of mark according to coordinate;
Display unit 3034, for the vehicle body at the license plate area of show tags on terminal display screen or the license plate area place of mark.
Embodiment of the present invention car plate picture locking means and device, by capturing vehicle photo, and identify the regional location of vehicle license plate in vehicle photo; According to this regional location, at vehicle photo acceptance of the bid note license plate area, such as draw license plate area bounding box in vehicle photo, car plate picture is locked, and can be according to the license plate area of mark the coordinate on map, intercept the vehicle body at the license plate area of mark or the license plate area place of mark, be presented on terminal display screen, thereby to comprising the demonstration of car plate in interior large region, be positioned to the local repressentation of license plate area, realize the quick lock in of car plate, reduced manual search workload, improved work efficiency.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or flow process conversion that utilizes instructions of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a car plate picture locking means, is characterized in that, comprises the following steps:
Capture vehicle photo;
The regional location of the car plate of identifying described vehicle in described vehicle photo; According to the feature of described car plate, determine the regional location of described car plate in described vehicle photo; The feature of car plate comprises car plate shape and the number-plate number;
Regional location according to described car plate in described vehicle photo, at described vehicle photo acceptance of the bid note license plate area, realizes the locking of car plate picture; The step of the described locking that realizes car plate picture comprises:
The coordinate of the license plate area that obtains mark on map;
Intercept the vehicle body at the license plate area of described mark or the license plate area place of described mark according to described coordinate;
On terminal display screen, show the vehicle body at the license plate area of described mark or the license plate area place of described mark.
2. method according to claim 1, is characterized in that, the step of described candid photograph vehicle photo comprises:
When described Vehicle Driving Cycle is through the described vehicle photo of out-of-date candid photograph.
3. method according to claim 1 and 2, is characterized in that, the described step at vehicle photo acceptance of the bid note license plate area comprises:
In described vehicle photo, draw license plate area bounding box; Or, in described vehicle photo, described license plate area is carried out to color and plays up.
4. a car plate picture locking device, is characterized in that, comprising:
Vehicle snapshot module, for capturing vehicle photo;
Car plate identification module, for identifying the car plate of described vehicle at the regional location of described vehicle photo; Also, for according to the feature of described car plate, determine the regional location of described car plate in described vehicle photo; The feature of car plate comprises car plate shape and the number-plate number;
Car plate picture locking module, for the regional location at described vehicle photo according to described car plate, at described vehicle photo acceptance of the bid note license plate area, realizes the locking of car plate picture; Described car plate picture locking module comprises:
Indexing unit, for drawing license plate area bounding box at described vehicle photo; Or, in described vehicle photo, described license plate area is carried out to color and plays up;
Coordinate acquiring unit, the coordinate for the license plate area that obtains mark on map;
Interception unit, for intercepting the vehicle body at the license plate area of described mark or the license plate area place of described mark according to described coordinate;
Display unit, for showing the vehicle body at the license plate area of described mark or the license plate area place of described mark on terminal display screen.
5. device according to claim 4, is characterized in that, described vehicle snapshot module is also for working as described Vehicle Driving Cycle through the described vehicle photo of out-of-date candid photograph.
6. device according to claim 4, is characterized in that, described vehicle snapshot module at least comprises camera or electronic eyes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110279784.2A CN102436744B (en) | 2011-09-20 | 2011-09-20 | Method and device for locking license plate picture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110279784.2A CN102436744B (en) | 2011-09-20 | 2011-09-20 | Method and device for locking license plate picture |
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| Publication Number | Publication Date |
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| CN102436744A CN102436744A (en) | 2012-05-02 |
| CN102436744B true CN102436744B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110279784.2A Active CN102436744B (en) | 2011-09-20 | 2011-09-20 | Method and device for locking license plate picture |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111563402B (en) * | 2019-02-14 | 2023-05-09 | 杭州海康威视数字技术股份有限公司 | License plate recognition method, license plate recognition device, terminal and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101105893A (en) * | 2006-07-14 | 2008-01-16 | 沈阳江龙软件开发科技有限公司 | Automobile video frequency discrimination speed-testing method |
| CN201145955Y (en) * | 2007-10-24 | 2008-11-05 | 北京万集科技有限责任公司 | License plate recognition system |
| CN102087786A (en) * | 2010-02-09 | 2011-06-08 | 陈秋和 | Information fusion-based intelligent traffic information processing method and system for people, vehicle and road |
| CN201946113U (en) * | 2010-11-24 | 2011-08-24 | 西安迅行信息科技有限公司 | License plate recognition device with high-definition image snapshot function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200937313A (en) * | 2008-02-18 | 2009-09-01 | Univ Nat Chiao Tung | Method and system for increasing license plate detection efficiency in successively inputting image |
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- 2011-09-20 CN CN201110279784.2A patent/CN102436744B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101105893A (en) * | 2006-07-14 | 2008-01-16 | 沈阳江龙软件开发科技有限公司 | Automobile video frequency discrimination speed-testing method |
| CN201145955Y (en) * | 2007-10-24 | 2008-11-05 | 北京万集科技有限责任公司 | License plate recognition system |
| CN102087786A (en) * | 2010-02-09 | 2011-06-08 | 陈秋和 | Information fusion-based intelligent traffic information processing method and system for people, vehicle and road |
| CN201946113U (en) * | 2010-11-24 | 2011-08-24 | 西安迅行信息科技有限公司 | License plate recognition device with high-definition image snapshot function |
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| CN102436744A (en) | 2012-05-02 |
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Address after: 518000, Shenzhen, Guangdong, Nanshan District Nanshan commercial and cultural center Tianli Central Business Plaza (phase two) C-3005 Patentee after: SHENZHEN UNIHZ TECHNOLOGIES Co.,Ltd. Address before: 518000, Shenzhen, Guangdong, Nanshan District Nanshan commercial and cultural center Tianli Central Business Plaza (phase two) C-3005 Patentee before: SHENZHEN UNIHZ TECHNOLOGIES CO.,LTD. |