CN108281005A - A kind of license board information harvester and method - Google Patents
A kind of license board information harvester and method Download PDFInfo
- Publication number
- CN108281005A CN108281005A CN201810259813.0A CN201810259813A CN108281005A CN 108281005 A CN108281005 A CN 108281005A CN 201810259813 A CN201810259813 A CN 201810259813A CN 108281005 A CN108281005 A CN 108281005A
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- China
- Prior art keywords
- board information
- license plate
- module
- plate image
- license
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a kind of license board information harvester and methods, including：Processing module and at least two photographing modules；Each photographing module is arranged at predetermined angle, to shoot license plate image from different perspectives；The processing module selects quality to meet the license plate image that preset identification requires for carrying out Quality estimation to license plate image described in multiple.It solves existing car plate video camera and relies only on an image of the camera shooting acquisition module out of fixed angle shot fixed range, the license plate image for be easy to causeing acquisition is unintelligible, imperfect and then the technical issues of be difficult to be identified by Vehicle License Plate Recognition System.
Description
Technical field
The present invention relates to technical field of transportation more particularly to a kind of license board information harvester and methods.
Background technology
Traffic technique refers to the technology applied in field of traffic, such as traffic grade technology, license board information acquisition technique
Deng.
Currently, license board information is arrived by car plate camera acquisition.Only there are one camera shootings to adopt for existing car plate video camera
Collect module, it is also fixed to image the acquisition direction of acquisition module, and the visual field for imaging acquisition module acquisition is also limited.
So when inclination of vehicle angle is excessive or car plate is bent out-of-flatness, car plate video camera relies only on a camera shooting acquisition
Image of the module out of fixed angle shot fixed range, it is easy to cause the license plate image obtained unintelligible, imperfect etc.,
To be difficult to be identified by Vehicle License Plate Recognition System.
Invention content
The invention discloses a kind of license board information harvester and methods, solve existing car plate video camera and rely only on one
A image of the camera shooting acquisition module out of fixed angle shot fixed range, the license plate image that be easy to cause acquisition is unintelligible,
It is imperfect and then the technical issues of be difficult to be identified by Vehicle License Plate Recognition System.
The present invention provides a kind of license board information harvesters, including：Processing module and at least two photographing modules；
Each photographing module is arranged at predetermined angle, to shoot license plate image from different perspectives；
The processing module selects quality to meet preset identification for carrying out Quality estimation to license plate image described in multiple
It is required that license plate image.
Preferably,
The shooting visual angle of at least two photographing modules is not exactly the same, for being shot from different perspectives with different distance
License plate image.
Preferably,
The license board information harvester further includes for the light compensating lamp for the photographing module light filling.
Preferably,
The light compensating lamp is visible light light compensating lamp or near-infrared light compensating lamp.
Preferably,
At least two photographing modules include fixed-focus taking module and zoom shot module.
Preferably,
At least two photographing modules are fixed-focus taking module or are zoom shot module.
Preferably,
The photographing module is arranged above and below and is located along the same line.
Preferably,
It the photographing module left-right situs and is located along the same line.
Preferably,
The quantity of the photographing module is at least three, and all photographing modules are not at arranging collinearly.
The present invention provides a kind of license board information acquisition methods, including：
License plate image is shot from different perspectives；
Quality estimation is carried out to the license plate image shot from different perspectives, mass is selected to meet the vehicle that preset identification requires
Board image.
As can be seen from the above technical solutions, the present invention has the following advantages：
License plate image is shot from different perspectives by multiple photographing modules, is achieved the purpose that multi pass acquisition image, is expanded
The acquisition range of license board information overcomes existing car plate video camera and relies only on a camera shooting acquisition module and shot from fixed angle and consolidates
Determine the defect of the license plate image in range；Then quality is carried out to the license plate image shot from different perspectives by processor to sentence
It is disconnected, it selects mass to meet the license plate image that preset identification requires, meets preset knowledge simply by the presence of the quality of a license plate image
Not Yao Qiu, improve the probability of Car license recognition and the ease for use of Vehicle License Plate Recognition System, overcome because inclination of vehicle angle compared with
Big or distance do not reach requirement and caused by be imaged failure problem, therefore even if vehicle passes through channel or bayonet from different directions
Also the license plate image met the requirements can be collected；It solves existing car plate video camera and relies only on a camera shooting acquisition module from admittedly
Image in fixed angle shot fixed range, the license plate image that be easy to cause acquisition is unintelligible, imperfect and then be difficult to by vehicle
The technical issues of board identifying system identifies.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of the first embodiment of license board information harvester provided by the invention；
Fig. 2 is a kind of structural schematic diagram of the second embodiment of license board information harvester provided by the invention；
Fig. 3 is a kind of structural schematic diagram of the 3rd embodiment of license board information harvester provided by the invention；
Fig. 4 is a kind of structural schematic diagram of the fourth embodiment of license board information harvester provided by the invention；
Fig. 5 is a kind of structural schematic diagram of 5th embodiment of license board information harvester provided by the invention；
Fig. 6 is a kind of structural schematic diagram of the sixth embodiment of license board information harvester provided by the invention；
Fig. 7 is a kind of flow diagram of one embodiment of license board information acquisition method provided by the invention.
Specific implementation mode
The embodiment of the invention discloses a kind of license board information harvester and methods, solve existing car plate video camera only
By image of the camera shooting acquisition module out of fixed angle shot fixed range, it be easy to cause the license plate image of acquisition not
Clearly, imperfect and then the technical issues of be difficult to be identified by Vehicle License Plate Recognition System.
It please refers to Fig.1 to Fig. 6, the present invention provides a kind of one embodiment of license board information harvester, including：Processing
Module 2 and at least two photographing modules 1.
Each photographing module 1 is arranged at predetermined angle, to shoot license plate image from different perspectives.
As shown in figure 3, photographing module 1 can be arranged in parallel；As shown in Fig. 2, photographing module 1 can also be in diverging setting,
It is understood that when photographing module 1 is in diverging setting, shooting effect is preferable；Wherein predetermined angle can be according to practical need
It is adjusted.
Processing module 2 selects quality to meet the vehicle that preset identification requires for carrying out Quality estimation to multiple license plate images
Board image.
The license plate image shot from different perspectives is there may be off quality, so processing module 2 is needed to carry out quality
Judge, meets preset identification requirement simply by the presence of the quality of a license plate image.
In addition, in a kind of another embodiment of license board information harvester provided by the invention,
The shooting visual angle of at least two photographing modules 1 is not exactly the same, for shooting vehicle with different distance from different perspectives
Board image.
If the shooting visual angle of photographing module 1 is different, the distance obtained needed for complete license plate image is also different.
Further, license board information harvester can also include for the light compensating lamp 3 for 1 light filling of photographing module.
Because outdoor natural light sometimes is too strong, the license plate image taken can be made unintelligible, so light compensating lamp 3 is needed to carry out
Light filling.
Further, light compensating lamp 3 is visible light light compensating lamp 3 or near-infrared light compensating lamp 3.
It is understood that zoom shot module can be easy to use with zoom, but there are problems that picture deformation, as long as
There is the zoom lens of wide-angle side that can all distort；And fixed-focus taking module problem very little in terms of this, or almost without distortion
Problem, fixed-focus taking module can obtain more preferably picture texture.
So at least two photographing modules 1 are fixed-focus taking module or are zoom shot module.
And the advantages of in order to using fixed-focus taking module and zoom shot module, the photographing module 1 in the present embodiment both wrapped
Fixed-focus taking module is included, and includes zoom shot module.
As shown in figure 5, photographing module 1 can be arranged above and below and be located along the same line；As shown in figure 4, photographing module 1
It with left-right situs and can be located along the same line.
As shown in fig. 6, the quantity of photographing module 1 can be at least three, and all photographing modules 1 are not at arranging collinearly.
The above is the detailed description carried out to the structure and connection type of a kind of license board information harvester, for ease of reason
Solution, will illustrate a kind of application of license board information harvester with a concrete application scene, application examples includes below：
The photographing module 1 arranged by different angle shoots license plate image from different perspectives, while passing through different visual angles
Photographing module 1 shoots license plate image from different distance, then carries out matter to multiple license plate images taken by processing module 2
Amount judge, select mass meet it is preset identification require license plate image, simply by the presence of a license plate image quality meet it is pre-
It sets identification to require, improves the probability of Car license recognition and the ease for use of Vehicle License Plate Recognition System, overcome because of inclination of vehicle angle
Spend larger or distance do not reach requirement and caused by be imaged failure problem, therefore even if vehicle from different directions by channel or
Bayonet can also collect the license plate image met the requirements.
Referring to Fig. 7, a kind of flow diagram of one embodiment of license board information acquisition method provided by the invention；
The present invention provides a kind of one embodiment of license board information acquisition method, including：
S101 shoots license plate image from different perspectives.
S102 carries out Quality estimation to the license plate image shot from different perspectives, selects mass to meet preset identification and want
The license plate image asked.
A kind of license board information harvester provided by the present invention and method are described in detail above, for ability
The those skilled in the art in domain, the thought of embodiment, has change in specific embodiments and applications according to the present invention
Place, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (10)
1. a kind of license board information harvester, which is characterized in that including：Processing module and at least two photographing modules；
Each photographing module is arranged at predetermined angle, to shoot license plate image from different perspectives；
The processing module selects quality to meet preset identification requirement for carrying out Quality estimation to license plate image described in multiple
License plate image.
2. license board information harvester according to claim 1, which is characterized in that the bat of at least two photographing modules
It is not exactly the same to take the photograph visual angle, for shooting license plate image from different perspectives.
3. license board information harvester according to claim 1, which is characterized in that further include for being the photographing module
The light compensating lamp of light filling.
4. license board information harvester according to claim 3, which is characterized in that the light compensating lamp is visible light light compensating lamp
Or near-infrared light compensating lamp.
5. license board information harvester according to claim 1, which is characterized in that at least two photographing modules include
Fixed-focus taking module and zoom shot module.
6. license board information harvester according to claim 1, which is characterized in that at least two photographing modules are
Fixed-focus taking module is zoom shot module.
7. license board information harvester according to claim 1, which is characterized in that the photographing module is arranged above and below and position
In on same straight line.
8. license board information harvester according to claim 1, which is characterized in that the photographing module left-right situs and position
In on same straight line.
9. license board information harvester according to claim 1, which is characterized in that the quantity of the photographing module is at least
Three, and all photographing modules are not at arranging collinearly.
10. a kind of license board information acquisition method, which is characterized in that including：
License plate image is shot from different perspectives；
Quality estimation is carried out to license plate image described in multiple, quality is selected to meet the license plate image that preset identification requires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810259813.0A CN108281005A (en) | 2018-03-27 | 2018-03-27 | A kind of license board information harvester and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810259813.0A CN108281005A (en) | 2018-03-27 | 2018-03-27 | A kind of license board information harvester and method |
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| Publication Number | Publication Date |
|---|---|
| CN108281005A true CN108281005A (en) | 2018-07-13 |
Family
ID=62810498
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810259813.0A Pending CN108281005A (en) | 2018-03-27 | 2018-03-27 | A kind of license board information harvester and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110334982A (en) * | 2019-05-29 | 2019-10-15 | 云南财经大学 | A kind of collecting and distributing method of logistics supply chain classification |
| CN111382722A (en) * | 2020-03-23 | 2020-07-07 | 浙江大华技术股份有限公司 | License plate image optimization method, image processing device and device with storage function |
| CN111696359A (en) * | 2019-03-13 | 2020-09-22 | 詹水旺 | Method for improving identification accuracy rate of illegal use of automobile high beam |
| CN113673416A (en) * | 2021-08-18 | 2021-11-19 | 浙江大华技术股份有限公司 | Method and device for identifying vehicle frame number, storage medium and electronic device |
| CN114038227A (en) * | 2021-10-11 | 2022-02-11 | 超级视线科技有限公司 | Parking and charging management method and system based on intelligent charging ground lock |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035125A (en) * | 2012-12-12 | 2013-04-10 | 北京蓝卡软件技术有限公司 | Vehicle license plate recognition method and system thereof |
| CN105157608A (en) * | 2015-08-31 | 2015-12-16 | 浙江大华技术股份有限公司 | Detection method, apparatus, and system of oversized vehicle |
| CN106355886A (en) * | 2016-08-31 | 2017-01-25 | 智慧互通科技有限公司 | Parking management system for open type parking lot and management method of parking management system |
| CN107784843A (en) * | 2016-08-31 | 2018-03-09 | 百度在线网络技术（北京）有限公司 | Intelligent traffic lamp system and its image processing method |
-
2018
- 2018-03-27 CN CN201810259813.0A patent/CN108281005A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035125A (en) * | 2012-12-12 | 2013-04-10 | 北京蓝卡软件技术有限公司 | Vehicle license plate recognition method and system thereof |
| CN105157608A (en) * | 2015-08-31 | 2015-12-16 | 浙江大华技术股份有限公司 | Detection method, apparatus, and system of oversized vehicle |
| CN106355886A (en) * | 2016-08-31 | 2017-01-25 | 智慧互通科技有限公司 | Parking management system for open type parking lot and management method of parking management system |
| CN107784843A (en) * | 2016-08-31 | 2018-03-09 | 百度在线网络技术（北京）有限公司 | Intelligent traffic lamp system and its image processing method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111696359A (en) * | 2019-03-13 | 2020-09-22 | 詹水旺 | Method for improving identification accuracy rate of illegal use of automobile high beam |
| CN110334982A (en) * | 2019-05-29 | 2019-10-15 | 云南财经大学 | A kind of collecting and distributing method of logistics supply chain classification |
| CN111382722A (en) * | 2020-03-23 | 2020-07-07 | 浙江大华技术股份有限公司 | License plate image optimization method, image processing device and device with storage function |
| CN111382722B (en) * | 2020-03-23 | 2023-09-05 | 浙江大华技术股份有限公司 | License plate image optimization method, image processing device and device with storage function |
| CN113673416A (en) * | 2021-08-18 | 2021-11-19 | 浙江大华技术股份有限公司 | Method and device for identifying vehicle frame number, storage medium and electronic device |
| CN114038227A (en) * | 2021-10-11 | 2022-02-11 | 超级视线科技有限公司 | Parking and charging management method and system based on intelligent charging ground lock |
| CN114038227B (en) * | 2021-10-11 | 2023-01-17 | 超级视线科技有限公司 | Parking and charging management method and system based on intelligent charging ground lock |
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Address after: 523710, 26, 188 Industrial Road, Pingshan Town, Guangdong, Dongguan, Tangxia Applicant after: Entropy Technology Co., Ltd Address before: 523710, 26, 188 Industrial Road, Pingshan Town, Guangdong, Dongguan, Tangxia Applicant before: Zhongkong Smart Technology Co.,Ltd. |
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Application publication date: 20180713 |