CN106056916A - License plate changing vehicle detection method and system based on intelligent traffic - Google Patents
License plate changing vehicle detection method and system based on intelligent traffic Download PDFInfo
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- CN106056916A CN106056916A CN201610475096.6A CN201610475096A CN106056916A CN 106056916 A CN106056916 A CN 106056916A CN 201610475096 A CN201610475096 A CN 201610475096A CN 106056916 A CN106056916 A CN 106056916A
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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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Abstract
The invention relates to a license plate changing vehicle detection method based on intelligent traffic. The license plate changing vehicle detection method includes the following steps that (1) a vehicle image is captured by a bayonet camera and a vehicle detection area is identified in the vehicle image; (2) the vehicle description information characteristics in the vehicle detection area are extracted; and (3) the vehicle description information characteristics are compared with the data in the vehicle administration office database, if the comparison result does not match, the corresponding vehicle is a license plate changed vehicle. In addition, the invention further relates to a license plate changing vehicle detection system based on intelligent traffic. The license plate changing vehicle detection method and system based on intelligent traffic can rapidly recognize the license plate changed vehicle, and can realize the tracking and capturing of suspected vehicles.
Description
Technical field
The invention belongs to technical field of vehicle detection, relate to one and change board vehicle checking method and system thereof, be specifically related to
A kind of based on intelligent transportation change board vehicle checking method and system thereof.
Background technology
Relying on license board information, Vehicle Identify Number etc. and carry out the technology of traffic control, for traffic control, highway is deployed to ensure effective monitoring and control of illegal activities, highway is received
Expense etc. has profound significance.But, present society exists and substantial amounts of changes board vehicle.If board vehicle can not be exchanged carry out height
The identification of effect, then the application of traffic management technology will be had a strong impact on.
Therefore, changing board vehicle in a large number for presently, there are, it is to first have to solve that identifying the most rapidly and efficiently changes board car
Problem certainly.Additionally, how judging that this changes board car as fake-licensed car or fugitive suspicion car is also urgent problem, especially exist
In increasing traffic escape incident, suspicion of crime artificially escapes capture, and by changing car plate in way of escaping, upset regards
Open country, increases and arrests difficulty, disturb public order.Therefore, how and to arrest, the tracking of suspected vehicles independent of car plate realization
Become a new challenge of intelligent traffic administration system technical field of research.
In view of the above-mentioned technological deficiency of prior art, in the urgent need to develop a kind of novel change board vehicle checking method and
System.
Summary of the invention
It is an object of the invention to overcome shortcoming present in prior art, it is provided that a kind of based on intelligent transportation change board car
Detection method and system thereof, based on intelligent transportation should change board vehicle checking method and system can change the rapid of board vehicle
Identify, and be capable of the tracking to suspected vehicles and arrest
To achieve these goals, the present invention provides following technical scheme: a kind of board vehicle that changes based on intelligent transportation is examined
Survey method, it is characterised in that comprise the following steps:
(1) capture vehicle pictures by bayonet socket camera, and in described vehicle pictures, identify vehicle detection region；
(2) in described vehicle detection region, extract vehicle and describe information characteristics；
(3) described vehicle is described information characteristics to compare with the data in vehicle administration office data base, if comparison result is not
Unanimously, then corresponding vehicle for changing board car.
Further, wherein, described vehicle detection region is provided with condition code, extracts described car by described condition code
Describe information characteristics.
Further, the wherein said board vehicle checking method that changes based on intelligent transportation also includes: change described in (4) extraction
Board car vehicle in other captured vehicle pictures of bayonet socket camera multiple describes information characteristics；(5) will be from other cards multiple
Vehicle in mouth the captured vehicle pictures of camera describes information characteristics and compares, if comparison result is inconsistent, then by described car
Describing information characteristics compares with the blacklist suspicion car information base data deployed to ensure effective monitoring and control of illegal activities, if comparison result is consistent, then described in
Changing board car is fugitive suspicion car, otherwise, described in change board car be fake-licensed car.
Yet further, wherein, the described board vehicle checking method that changes based on intelligent transportation also includes: (6) are according to described
The vehicle of fake-licensed car or fugitive suspicion car describes information characteristics, obtains its wheelpath, and estimates its escape direction.
The most further, wherein, described vehicle describes information characteristics and includes structured features and destructuring feature, institute
State structured features include license plate number, Vehicle Identify Number, Che Biao, vehicle and body color, described destructuring feature include texture and
Shape.
Additionally, the present invention also provides for a kind of based on intelligent transportation changing board vehicle detecting system, it is characterised in that including:
Vehicle detection region identification module, described vehicle detection region identification module is for capturing by bayonet socket camera
Vehicle pictures identifies vehicle detection region；
Vehicle describes information characteristics extraction module, and described vehicle describes information characteristics extraction module for examining at described vehicle
Extract vehicle in surveying region and describe information characteristics；
Change board car comparing module, described in change board car comparing module for described vehicle being described information characteristics and vehicle administration office's number
Comparing according to the data in storehouse, if comparison result is inconsistent, then corresponding vehicle is for changing board car.
Further, wherein, described vehicle detection region is provided with condition code, extracts described car by described condition code
Describe information characteristics.
Further, wherein, the described board vehicle detecting system that changes based on intelligent transportation also includes: change the inspection of board car character
Survey module, described in change board car nature examination module and change board car at the car captured by other bayonet socket cameras multiple described in extracting
Vehicle in picture describes the vehicle in information characteristics, and the vehicle pictures will captured from other bayonet socket cameras multiple and describes
Information characteristics is compared, if comparison result is inconsistent, then described vehicle describes information characteristics and dislikes with the blacklist deployed to ensure effective monitoring and control of illegal activities
Doubt car information base data to compare, if comparison result is consistent, then described in change board car be fugitive suspicion car, otherwise, this changes board car
For fake-licensed car.
Yet further, wherein, the described board vehicle detecting system that changes based on intelligent transportation also includes: escapes and estimates mould
Block, described escape is estimated module for describing information characteristics according to the vehicle of described fake-licensed car or fugitive suspicion car, is obtained it
Wheelpath, and estimate its escape direction.
The most further, wherein, described vehicle describes information characteristics and includes structured features and destructuring feature, institute
State structured features include license plate number, Vehicle Identify Number, Che Biao, vehicle and body color, described destructuring feature include texture and
Shape.
Board vehicle checking method and the system thereof of changing based on intelligent transportation of the present invention is by traffic control and rear end typing again
Data effectively combine, and rely on front end bayonet socket camera and obtain the vehicle comprising car plate of vehicle and describe information characteristics, by with
Comparison of information in vehicle administration office data base, it is determined whether for changing board vehicle, the most quickly.Additionally, the present invention based on intelligence
Can traffic change board vehicle checking method and system thereof when further confirming that this changes the character of board car, in conjunction with each bayonet socket camera
Vehicle in the picture captured describes the comparison of information characteristics, and data analysis judges that this changes board car as fake-licensed car or fugitive
Suspicion car so that while effectively arresting fake license plate vehicle, also causes because frequency changes replacing car plate in solution hit-and-run way
Target difficulty positions, the problem of capture difficulty.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet changing board vehicle checking method based on intelligent transportation of the present invention.
Fig. 2 be the present invention based on intelligent transportation change in board vehicle checking method change board car nature examination and escape pre-
The schematic flow sheet estimated.
Fig. 3 is the composition schematic diagram changing board vehicle detecting system based on intelligent transportation of the present invention.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings, and the content of embodiment is not as the guarantor to the present invention
Protect the restriction of scope.
Fig. 1 shows the schematic flow sheet changing board vehicle checking method based on intelligent transportation of the present invention.Such as Fig. 1 institute
Showing, the board vehicle checking method that changes based on intelligent transportation of the present invention comprises the following steps:
First, capture vehicle pictures by bayonet socket camera, and in described vehicle pictures, identify vehicle detection region.Its
In, described vehicle detection region is the initial one piece of closed area set in described vehicle pictures, carries out car in this region
Detection, the scope beyond this region, do not carry out vehicle detection.
In the present invention, it is preferred to, described vehicle pictures utilizes the vehicle inspection learnt based on harr, acf or the degree of depth
Survey technology identification vehicle detection region.Wherein, detection technique based on Haar feature is: haar is characterized as edge, linear, center
Etc. template characteristic, by different templates feature choose and combine and cascade classifier completes particular detection task.Based on ACF
The detection technique of (Aggregate Channel Features) feature is a kind of to change in detection technique based on Harr feature
The sliding window detector rapidly and efficiently entered.Detection technique based on degree of depth study is: utilize autonomous the proposing of deep-neural-network
Take area-of-interest and object features, complete whole testing process end to end.Concrete which kind of detection technique of employing, by user
Select as required.This detection technique is all any technique commonly known, and the emphasis place of non-invention, for letter
Changing, no further details to be given herein.
Secondly, in described vehicle detection region, extract vehicle and describe information characteristics.In the present invention, it is preferred to, described
Vehicle detection is provided with condition code in region, extracts described vehicle by described condition code and describes information characteristics.Specifically, described
Condition code can be a figure being similar to Quick Response Code, can obtain the description of described vehicle by scanning the figure of this Quick Response Code
Information characteristics.By arranging condition code in described vehicle detection region, it is possible to avoid the information such as Vehicle Identify Number to be difficult to be discharged to
Shortcoming, consequently facilitating obtain various vehicle to describe information characteristics.
In the present invention, described vehicle describes information characteristics and includes structured features and destructuring feature.Described structure
Change feature and include license plate number, Vehicle Identify Number, Che Biao, vehicle and body color.Described destructuring feature includes texture and shape.
In the present invention, the extraction that vehicle describes information characteristics can use feature extraction based on degree of depth learning network,
Also method based on shallow-layer machine learning can be used to realize.Wherein, feature extraction based on degree of depth learning network is for passing through deep layer
E-learning to feature independently extract characteristics of image.Method based on shallow-layer machine learning is by the craft of engineer
The shallow-layer network extraction characteristics of image of template characteristic and equivalence.Concrete which kind of Feature Extraction Technology of employing, by user according to need
Select.This Feature Extraction Technology is all any technique commonly known, and the emphasis place of non-invention, for letter
Changing, no further details to be given herein.
Again, described vehicle is described information characteristics and compares with the data in vehicle administration office data base, if comparison result
Inconsistent, then corresponding vehicle is for changing board car；If comparison result is consistent, then corresponding vehicle is not to change board car, can carry out next frame
Whether the detection of vehicle pictures, detect next car for changing board car.Such that identification and the detection of board car can be realized changing.
List owing to each car is regular and all need to carry out information of vehicles registration before upper road in car Guan Ku, under normal circumstances should
It is car one board, absolute one_to_one corresponding.Therefore vehicle of based on car plate describes the comparison of information, if occurring with car one board, and car
Other to describe information the most inconsistent, then this car is for changing board car.
The board vehicle checking method that changes based on intelligent transportation of the present invention can also include detecting the character changing board car and escaping
Ease is estimated.
Fig. 2 shows that what the present invention based on intelligent transportation changed in board vehicle checking method changes board car nature examination and escape
The schematic flow sheet that ease is estimated.As in figure 2 it is shown, when carrying out changing board car nature examination and escape estimates, be first extract described
Change board car vehicle in other captured vehicle pictures of bayonet socket camera multiple and describe information characteristics.In like manner, carried by condition code
Take described vehicle and describe information characteristics.Further, described vehicle describes information characteristics and also includes that structured features and destructuring are special
Levy.Described structured features includes license plate number, Vehicle Identify Number, Che Biao, vehicle and body color.Described destructuring feature includes stricture of vagina
Reason and shape.Additionally, concrete extractive technique can use feature extraction based on degree of depth learning network, also can use based on shallow-layer
The method of machine learning realizes.
Secondly, compare describing information characteristics from the vehicle in other captured vehicle pictures of bayonet socket camera multiple
Right, if comparison result is inconsistent, then described vehicle is described information characteristics and the blacklist suspicion car information base data deployed to ensure effective monitoring and control of illegal activities
Compare, if comparison result is consistent, then described in change board car be fugitive suspicion car, otherwise, described in change board car be fake-licensed car.
Again, information characteristics can be described according to the vehicle of described fake-licensed car or fugitive suspicion car, obtain its driving rail
Mark, and estimate its escape direction, to carry out this vehicle of interception of deploying to ensure effective monitoring and control of illegal activities, in order to this car is punished or arrested.In the present invention, tool
Body ground, several bayonet socket cameras are respectively distributed to different geographical position, form a buckle camera and capture network.Each bayonet socket
Between camera, information is intercommunication, passes through comparison technology, it is possible to know which bayonet socket suspected vehicles passes through within a period of time
These some positions are coupled together, form vehicle driving trace within this period, by driving trace, can estimate by camera
The escape direction of vehicle.
Fig. 3 shows the composition schematic diagram changing board vehicle detecting system based on intelligent transportation of the present invention.Such as Fig. 3 institute
Showing, the board vehicle detecting system that changes based on intelligent transportation of the present invention includes: vehicle detection region identification module, vehicle describe letter
Cease characteristic extracting module and change board car comparing module.
Wherein, described vehicle detection region identification module is for identifying car in the vehicle pictures captured by bayonet socket camera
Detection region.As previously mentioned, it is possible to use the vehicle testing techniques identification vehicle detection learnt based on harr, acf or the degree of depth
Region.
Described vehicle describes information characteristics extraction module and describes information for extracting vehicle in described vehicle detection region
Feature.In like manner, condition code can be provided with in described vehicle detection region, extract described vehicle by described condition code and describe
Information characteristics.Further, as it was previously stated, described vehicle describes information characteristics includes structured features and destructuring feature.Described
Structured features includes license plate number, Vehicle Identify Number, Che Biao, vehicle and body color.Described destructuring feature includes texture and shape
Shape.Additionally, the extraction that vehicle describes information characteristics can use feature extraction based on degree of depth learning network, also can use based on
The method of shallow-layer machine learning realizes.
Described board car comparing module of changing is entered with the data in vehicle administration office data base for described vehicle is described information characteristics
Row comparison, if comparison result is inconsistent, then corresponding vehicle is for changing board car.Specifically, list before upper road all owing to each car is regular
Information of vehicles registration need to be carried out in car Guan Ku, should be car one board, absolute one_to_one corresponding under normal circumstances.Therefore based on car
The vehicle of board describes the comparison of information, if occurring with car one board, and other of vehicle to describe information the most inconsistent, then this car is for changing
Board car.
Additionally, in the present invention, the described board vehicle detecting system that changes based on intelligent transportation also includes changing the inspection of board car character
Survey module.Wherein, change board car nature examination module described in change board car described in extract and grabbed by other bayonet socket cameras multiple
Vehicle in the vehicle pictures clapped describes the car in information characteristics, and the vehicle pictures will captured from other bayonet socket cameras multiple
Describe information characteristics compare, if comparison result is inconsistent, then described vehicle is described information characteristics black with deploy to ensure effective monitoring and control of illegal activities
List suspicion car information base data is compared, if comparison result is consistent, then described in change board car be fugitive suspicion car, otherwise, should
Changing board car is fake-licensed car.
Finally, the board vehicle detecting system that changes based on intelligent transportation of the present invention also includes that module is estimated in escape.Described escape
Ease estimates module for describing information characteristics according to the vehicle of described fake-licensed car or fugitive suspicion car, obtains its wheelpath,
And estimate its escape direction.
Board vehicle checking method and the system thereof of changing based on intelligent transportation of the present invention is by traffic control and rear end typing again
Data effectively combine, and rely on front end bayonet socket camera and obtain the vehicle comprising car plate of vehicle and describe information characteristics, by with
Comparison of information in vehicle administration office data base, it is determined whether for changing board vehicle, the most quickly.
Additionally, board vehicle checking method and the system thereof of changing based on intelligent transportation of the present invention is further confirming that this changes board
During the character of car, describe the comparison of information characteristics in conjunction with the vehicle in the picture that each bayonet socket camera is captured, and data analysis comes
Judge that this changes board car as fake-licensed car or fugitive suspicion car so that while effectively arresting fake license plate vehicle, also solve accident and escape
The target difficulty location changing car plate and cause, the problem of capture difficulty are changed because of frequency in ease way.
The above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not to the present invention
The restriction of embodiment.For those of ordinary skill in the field, can also make on the basis of the above description
The change of other multi-form or variation.Here cannot all of embodiment be given exhaustive.Every skill belonging to the present invention
What art scheme was extended out obviously changes or changes the row still in protection scope of the present invention.
Claims (10)
1. one kind based on intelligent transportation is changed board vehicle checking method, it is characterised in that comprise the following steps:
(1) capture vehicle pictures by bayonet socket camera, and in described vehicle pictures, identify vehicle detection region；
(2) in described vehicle detection region, extract vehicle and describe information characteristics；
(3) described vehicle is described information characteristics to compare with the data in vehicle administration office data base, if comparison result is inconsistent,
Then corresponding vehicle is for changing board car.
The most according to claim 1 based on intelligent transportation change board vehicle checking method, it is characterised in that described vehicle is examined
Survey in region and be provided with condition code, extract described vehicle by described condition code and describe information characteristics.
The most according to claim 2 based on intelligent transportation change board vehicle checking method, it is characterised in that also include: (4)
Change board car vehicle in other captured vehicle pictures of bayonet socket camera multiple described in extraction and describe information characteristics；(5) will be from
Vehicle in other captured vehicle pictures of bayonet socket camera multiple describes information characteristics and compares, if comparison result is inconsistent,
The blacklist suspicion car information base data then described vehicle being described information characteristics and deploy to ensure effective monitoring and control of illegal activities is compared, if comparison result one
Cause, then described in change board car be fugitive suspicion car, otherwise, described in change board car be fake-licensed car.
The most according to claim 3 based on intelligent transportation change board vehicle checking method, it is characterised in that also include: (6)
Vehicle according to described fake-licensed car or fugitive suspicion car describes information characteristics, obtains its wheelpath, and estimates its escape side
To.
5. change board vehicle checking method according to based on intelligent transportation according to any one of claim 1-5, it is characterised in that
Described vehicle describes information characteristics and includes structured features and destructuring feature, and described structured features includes license plate number, car
Frame number, Che Biao, vehicle and body color, described destructuring feature includes texture and shape.
6. one kind based on intelligent transportation is changed board vehicle detecting system, it is characterised in that including:
Vehicle detection region identification module, described vehicle detection region identification module is at the vehicle captured by bayonet socket camera
Picture identifies vehicle detection region；
Vehicle describes information characteristics extraction module, and described vehicle describes information characteristics extraction module in described vehicle detection district
Extract vehicle in territory and describe information characteristics；
Change board car comparing module, described in change board car comparing module for described vehicle being described information characteristics and vehicle administration office data base
In data compare, if comparison result is inconsistent, then corresponding vehicle is for changing board car.
The most according to claim 6 based on intelligent transportation change board vehicle detecting system, it is characterised in that described vehicle is examined
Survey in region and be provided with condition code, extract described vehicle by described condition code and describe information characteristics.
The most according to claim 7 based on intelligent transportation change board vehicle detecting system, it is characterised in that also include: change
Board car nature examination module, described in change board car nature examination module and change board car by other bayonet socket phases multiple described in extracting
Vehicle in the vehicle pictures that machine is captured describes in information characteristics, and the vehicle pictures will captured from other bayonet socket cameras multiple
Vehicle describe information characteristics and compare, if comparison result is inconsistent, then described vehicle is described information characteristics and deploys to ensure effective monitoring and control of illegal activities
Blacklist suspicion car information base data compare, if comparison result is consistent, then described in change board car be fugitive suspicion car, instead
It, this changes board car is fake-licensed car.
The most according to claim 8 based on intelligent transportation change board vehicle detecting system, it is characterised in that also include: escape
Ease estimates module, and it is special for describing information according to the vehicle of described fake-licensed car or fugitive suspicion car that module is estimated in described escape
Levy, obtain its wheelpath, and estimate its escape direction.
10. changing board vehicle detecting system according to based on intelligent transportation according to any one of claim 6-9, its feature exists
In, described vehicle describes information characteristics and includes structured features and destructuring feature, described structured features include license plate number,
Vehicle Identify Number, Che Biao, vehicle and body color, described destructuring feature includes texture and shape.
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| CN201610475096.6A CN106056916A (en) | 2016-06-23 | 2016-06-23 | License plate changing vehicle detection method and system based on intelligent traffic |
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| CN201610475096.6A CN106056916A (en) | 2016-06-23 | 2016-06-23 | License plate changing vehicle detection method and system based on intelligent traffic |
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| CN108765952A (en) * | 2018-06-12 | 2018-11-06 | 西安银江智慧城市技术有限公司 | A kind of traffic big data suspected vehicles raid supervision method and device |
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