CN102436744A - Method and device for locking license plate picture - Google Patents
Method and device for locking license plate picture Download PDFInfo
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- CN102436744A CN102436744A CN2011102797842A CN201110279784A CN102436744A CN 102436744 A CN102436744 A CN 102436744A CN 2011102797842 A CN2011102797842 A CN 2011102797842A CN 201110279784 A CN201110279784 A CN 201110279784A CN 102436744 A CN102436744 A CN 102436744A
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- vehicle
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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 the 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 is employed in the fixed position usually and captures vehicle, and the zone that often occurs with near the car plate stop line is the center, chooses big zone and locks the car plate picture.
But, because big or small variant, the track stop line of vehicle also have irregular, upright situation, therefore; Adopt above-mentioned lock mode; Regular meeting car plate locking picture area occurs and locatees inaccurate situation, has increased the difficulty of manual search, has 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 the 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, may further comprise the steps:
Capture the vehicle photo;
Discern the regional location of car plate in said vehicle photo of said vehicle;
According to the regional location of said car plate in said vehicle photo,, realize the locking of car plate picture in said vehicle photo acceptance of the bid caravan board zone.
Preferably, the step of said candid photograph vehicle photo comprises:
When said vehicle ' through the said vehicle photo of out-of-date candid photograph.
Preferably, the step of the regional location of the car plate of said identification vehicle in said vehicle photo comprises:
According to the characteristic of said car plate, confirm the regional location of said car plate in said vehicle photo.
Preferably, said step in vehicle photo acceptance of the bid caravan board zone comprises:
The license plate area bounding box draws in said vehicle photo; Perhaps, in said vehicle photo, said license plate area being carried out color plays up.
Preferably, the step of the locking of said realization car plate picture comprises:
Obtain the coordinate of license plate area on map of mark;
Vehicle body according to the license plate area place of the license plate area of the said mark of said coordinate intercepting or said mark;
The vehicle body at the license plate area place of the license plate area of the said mark of demonstration or said mark on terminal display screen.
The present invention also proposes a kind of car plate picture locking device, comprising:
The vehicle snapshot module is used to capture the vehicle photo;
The car plate identification module is used for discerning the regional location of the car plate of said vehicle at said vehicle photo;
Car plate picture locking module is used for according to the regional location of said car plate at said vehicle photo, in said vehicle photo acceptance of the bid caravan board zone, realizes the locking of car plate picture.
Preferably, said vehicle snapshot module also is used for working as said vehicle ' through the said vehicle photo of out-of-date candid photograph.
Preferably, said car plate identification module also is used for the characteristic according to said car plate, confirms the regional location of said car plate in said vehicle photo.
Preferably, said car plate picture locking module comprises:
Indexing unit is used at the said vehicle photo license plate area bounding box that draws; Perhaps, in said vehicle photo, said license plate area being carried out color plays up;
The coordinate acquiring unit is used to obtain the coordinate of license plate area on map of mark;
Interception unit is used for the vehicle body according to the license plate area place of the license plate area of the said mark of said coordinate intercepting or said mark;
Display unit is used on terminal display screen showing the vehicle body at license plate area place of license plate area or the said mark of said mark.
Preferably, said vehicle snapshot module comprises camera or electronic eyes at least.
A kind of car plate picture locking means and device that the present invention proposes through candid photograph vehicle photo, and identify the regional location of vehicle license plate in the vehicle photo; According to this regional location, in vehicle photo acceptance of the bid caravan board zone, such as the license plate area bounding box that in the vehicle photo, draws; With car plate picture locking, and according to the coordinate of license plate area on map of mark, the vehicle body at the license plate area of intercepting mark or the license plate area of mark place; Be presented on the terminal display screen; Thereby to comprising the demonstration of car plate, be positioned to the local repressentation of license plate area, realized the quick lock in of car plate in interior big zone; Reduce the manual search workload, improved work efficiency.
Description of drawings
Fig. 1 is car plate picture locking means one an embodiment schematic flow sheet of the present invention;
Fig. 2 is according to the regional location of car plate in the vehicle photo, at vehicle photo acceptance of the bid caravan board zone, the schematic flow sheet of the locking of realization car plate picture among car plate picture locking means one embodiment of the present invention;
Fig. 3 is the structural representation of car plate picture locking device one embodiment of the present invention;
Fig. 4 is the structural representation of car plate picture locking module among car plate picture locking device one embodiment of the present invention.
In order to make technical scheme of the present invention clearer, clear, will combine accompanying drawing to do further to detail below.
Embodiment
Embodiment of the invention solution mainly is: through candid photograph vehicle photo, and identify the regional location of vehicle license plate in the vehicle photo; According to this regional location,,,,, increase work efficiency to reduce the manually-operated difficulty with the locking of car plate picture such as the license plate area bounding box that in the vehicle photo, draws in vehicle photo acceptance of the bid caravan board zone.
As shown in Figure 1, one embodiment of the invention proposes a kind of car plate picture locking means, comprising:
Step S101 captures the vehicle photo;
In order to realize accurate location to vehicle license plate; Make things convenient for the locking of car plate; Present embodiment is captured the vehicle photo through watch-dogs such as camera or electronic eyess, can also can capture such as the vehicle on the parking lot stopping at the fixed position in vehicle ' through out-of-date candid photograph vehicle photo.
Step S102, the regional location of car plate in the vehicle photo of identification vehicle;
After capturing the vehicle photo, identify the regional location of vehicle license plate in the vehicle photo, specifically can confirm the regional location of car plate in the vehicle photo according to the characteristic of car plate.
Wherein, the characteristic of car plate comprises the car plate shape and the number-plate number.
When confirming the regional location of car plate in the 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 does not have the number-plate number, can be at first roughly confirm the regional location of car plate according to the shape of car plate, follow-uply can come car plate is positioned according to the coordinate of the regional location of car plate.
Step S103 according to the regional location of car plate in the vehicle photo, in vehicle photo acceptance of the bid caravan board zone, realizes the locking of car plate picture.
After identifying the regional location of vehicle license plate in the vehicle photo, in the vehicle photo, mark license plate area, such as the license plate area bounding box that in the vehicle photo, draws; Perhaps; In the vehicle photo, license plate area being carried out color plays up; Can the car plate of vehicle be locked in vehicle photo picture displayed through above-mentioned mark, realize the accurate location of vehicle license plate, afterwards; Can be through the coordinate of license plate area on map that obtains mark; And then according to the vehicle body at the license plate area place of the license plate area of coordinate intercepting mark or mark, at last can be on terminal display screen the license plate area of show tags, the perhaps vehicle body at the license plate area of show tags place.
In the specific implementation,
As shown in Figure 2, above-mentioned steps S103 comprises:
Step S1031 is according to the regional location of car plate in the vehicle photo, in vehicle photo acceptance of the bid caravan board zone;
Step S1032 obtains the coordinate of license plate area on map of mark;
Step S1033 is according to the vehicle body at the license plate area place of the license plate area of coordinate intercepting mark or mark;
Step S1034, the vehicle body at the license plate area of the license plate area of show tags or mark place on terminal display screen.
Present embodiment passes through to capture the vehicle photo, and identifies the regional location of vehicle license plate in the vehicle photo; According to this regional location, in vehicle photo acceptance of the bid caravan board zone, such as the license plate area bounding box that in the vehicle photo, draws; With the locking of car plate picture, and can be according to the coordinate of license plate area on map of mark, the vehicle body at the license plate area of intercepting mark or the license plate area of mark place; Be presented on the terminal display screen; Thereby to comprising the demonstration of car plate, be positioned to the local repressentation of license plate area, realized the quick lock in of car plate in interior big zone; Reduce the 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:
Car plate identification module 302 is used for discerning the regional location of the car plate of vehicle at the vehicle photo;
Car plate picture locking module 303 is used for according to the regional location of car plate at the vehicle photo, in vehicle photo acceptance of the bid caravan board zone, realizes the locking of car plate picture.
In order to realize accurate location to vehicle license plate; Convenient quick lock in to car plate; Present embodiment is captured the vehicle photo through vehicle snapshot module 301 such as watch-dogs such as camera or electronic eyess; Can also can capture such as the vehicle on the parking lot in vehicle ' through out-of-date candid photograph vehicle photo stopping at the fixed position.
After vehicle snapshot module 301 is captured the vehicle photo; The vehicle photo that vehicle snapshot module 301 will be captured sends to car plate identification module 302; Identify the regional location of vehicle license plate in the vehicle photo by car plate identification module 302, specifically can confirm the regional location of car plate in the vehicle photo through the characteristic of identification car plate.Wherein, the characteristic of car plate comprises the car plate shape and the number-plate number.When confirming the regional location of car plate in the vehicle photo, can carry out Primary Location to car plate according to vehicle license plate characteristic, afterwards car plate is accurately located.
After car plate identification module 302 identifies the regional location of vehicle license plate in the vehicle photo; Car plate identification module 302 sends to car plate picture locking module 303 with the regional location of the vehicle license plate that identifies in the vehicle photo; Board picture locking module 303 marks license plate area in the vehicle photo, such as the license plate area bounding box that in the vehicle photo, draws; Perhaps, in the vehicle photo, license plate area is carried out color and play up, can the car plate of vehicle be locked in vehicle photo picture displayed, realize the accurate location of vehicle license plate through above-mentioned mark.
Particularly, car plate identification module 302 also is used for confirming the regional location of car plate at the vehicle photo according to vehicle license plate characteristic.
Car plate picture locking module 303 also is used at the vehicle photo license plate area bounding box that draws; Perhaps, in the vehicle photo, license plate area being carried out color plays up.
As shown in Figure 4, car plate picture locking module 303 comprises:
Coordinate acquiring unit 3032 is used to obtain the coordinate of license plate area on map of mark;
Embodiment of the invention car plate picture locking means and device through candid photograph vehicle photo, and identify the regional location of vehicle license plate in the vehicle photo; According to this regional location, in vehicle photo acceptance of the bid caravan board zone, such as the license plate area bounding box that in the vehicle photo, draws; With the locking of car plate picture, and can be according to the coordinate of license plate area on map of mark, the vehicle body at the license plate area of intercepting mark or the license plate area of mark place; Be presented on the terminal display screen; Thereby to comprising the demonstration of car plate, be positioned to the local repressentation of license plate area, realized the quick lock in of car plate in interior big zone; Reduce the manual search workload, improved work efficiency.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or flow process conversion that utilizes instructions of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a car plate picture locking means is characterized in that, may further comprise the steps:
Capture the vehicle photo;
Discern the regional location of car plate in said vehicle photo of said vehicle;
According to the regional location of said car plate in said vehicle photo,, realize the locking of car plate picture in said vehicle photo acceptance of the bid caravan board zone.
2. method according to claim 1 is characterized in that, the step of said candid photograph vehicle photo comprises:
When said vehicle ' through the said vehicle photo of out-of-date candid photograph.
3. method according to claim 1 is characterized in that, the step of the regional location of the car plate of said identification vehicle in said vehicle photo comprises:
According to the characteristic of said car plate, confirm the regional location of said car plate in said vehicle photo.
4. according to claim 1,2 or 3 described methods, it is characterized in that said step in vehicle photo acceptance of the bid caravan board zone comprises:
The license plate area bounding box draws in said vehicle photo; Perhaps, in said vehicle photo, said license plate area being carried out color plays up.
5. method according to claim 4 is characterized in that, the step of the locking of said realization car plate picture comprises:
Obtain the coordinate of license plate area on map of mark;
Vehicle body according to the license plate area place of the license plate area of the said mark of said coordinate intercepting or said mark;
The vehicle body at the license plate area place of the license plate area of the said mark of demonstration or said mark on terminal display screen.
6. a car plate picture locking device is characterized in that, comprising:
The vehicle snapshot module is used to capture the vehicle photo;
The car plate identification module is used for discerning the regional location of the car plate of said vehicle at said vehicle photo;
Car plate picture locking module is used for according to the regional location of said car plate at said vehicle photo, in said vehicle photo acceptance of the bid caravan board zone, realizes the locking of car plate picture.
7. device according to claim 6 is characterized in that, said vehicle snapshot module also is used for working as said vehicle ' through the said vehicle photo of out-of-date candid photograph.
8. device according to claim 6 is characterized in that, said car plate identification module also is used for the characteristic according to said car plate, confirms the regional location of said car plate in said vehicle photo.
9. according to claim 5,6 or 7 described devices, it is characterized in that said car plate picture locking module comprises:
Indexing unit is used at the said vehicle photo license plate area bounding box that draws; Perhaps, in said vehicle photo, said license plate area being carried out color plays up;
The coordinate acquiring unit is used to obtain the coordinate of license plate area on map of mark;
Interception unit is used for the vehicle body according to the license plate area place of the license plate area of the said mark of said coordinate intercepting or said mark;
Display unit is used on terminal display screen showing the vehicle body at license plate area place of license plate area or the said mark of said mark.
10. device according to claim 9 is characterized in that, said vehicle snapshot module comprises camera or electronic eyes at least.
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 true CN102436744A (en) | 2012-05-02 |
| CN102436744B 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111563402A (en) * | 2019-02-14 | 2020-08-21 | 杭州海康威视数字技术股份有限公司 | License plate recognition method and device, terminal and storage medium |
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| 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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| 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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111563402A (en) * | 2019-02-14 | 2020-08-21 | 杭州海康威视数字技术股份有限公司 | License plate recognition method and device, terminal and storage medium |
| 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 |
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| Publication number | Publication date |
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| CN102436744B (en) | 2014-12-10 |
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Address after: 215000, A2-303, room 99, 304 benevolence Road, Suzhou Industrial Park, Suzhou, Jiangsu, China Patentee after: Zhongmeng Intelligent Technology (Suzhou) Co.,Ltd. Patentee after: SHENZHEN UNIHZ TECHNOLOGIES CO.,LTD. Address before: 215000, A2-303, room 99, 304 benevolence Road, Suzhou Industrial Park, Suzhou, Jiangsu, China Patentee before: Zhongmeng Intelligent Technology (Suzhou) Co.,Ltd. Patentee before: Shenzhen Unihz Technologies Corp. |
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Effective date of registration: 20150909 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: 215000, A2-303, room 99, 304 benevolence Road, Suzhou Industrial Park, Suzhou, Jiangsu, China Patentee before: Zhongmeng Intelligent Technology (Suzhou) Co.,Ltd. Patentee before: SHENZHEN UNIHZ TECHNOLOGIES CO.,LTD. |
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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. |