CN102682607B - Active vehicle recognition system and vehicle active identification method - Google Patents
Active vehicle recognition system and vehicle active identification method Download PDFInfo
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- CN102682607B CN102682607B CN201210100545.0A CN201210100545A CN102682607B CN 102682607 B CN102682607 B CN 102682607B CN 201210100545 A CN201210100545 A CN 201210100545A CN 102682607 B CN102682607 B CN 102682607B
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Abstract
A kind of active vehicle recognition system and vehicle active identification method, this active vehicle recognition system is for being identified the vehicle travelled on road, including video camera, image identification system, also include luminescent marking, described luminescent marking is LED or Halogen light, this luminescent marking is arranged on this road on the vehicle travelled, this photographic head is arranged on the top of this road, this video camera is arranged towards this road and vehicle, this image identification system is for analyzing the image of this camera record, and identifies the luminescent marking in described image.The active vehicle recognition system of the present invention and vehicle active identification method have the advantage that the accuracy rate of identification is higher.
Description
Technical field
The present invention relates to be applied to the identification system of field of traffic and recognition methods, particularly a kind of vehicle is actively
Identification system and vehicle active identification method.
Background technology
At present, along with developing rapidly of technology of Internet of things, intelligent transportation system (ITS) achieves significantly
Progressive, and be gradually applied in urban transportation management and control.In present stage, intelligent transportation system (ITS)
Road network operational efficiency is low, automobile energy consumption is high, exhaust emissions amount big, traffic accidents is sent out to be mainly used in solution
The problems such as raw frequency is high.Such as, adaptive control system SCOOT that Britain's Transport and Road Research Laboratory is developed
At present in the city operations of 170, the whole world.SCOOT is by being arranged on the car of this crossing, upstream, crossing
Detector detects traffic data in real time, utilizes traffic model to optimize signal timing dial parameter, and relies on
The hardware device such as communication network, signal controlling machine implements control, has higher accuracy.According to statistics,
SCOOT system can make the average vehicle delay time reduce by 12%.And realize it is critical only that vehicle of this system
Detection, position and identify.At present, industry has been developed for multiple vehicle location identification system, mainly
Including magnetic frequency cognition technology, ripple frequency cognition technology and video-aware technology.Wherein, video-aware technology can be adopted
The traffic parameter of collection is most, and the image of collection is reusable and the cost ratio of system with installation and operation is relatively low,
Become industry and put forth effort the core technology of development.
Such as, the Chinese patent of Patent No. 200920351708.6 disclosed in December in 2010 8 days is the most complete
Face discloses a kind of automobile license plate identification instrument.This automobile license plate identification instrument includes video camera, car plate
Identifier, sensor and light filling unit；Its identifier external tapping respectively with analog video camera, sensor and benefit
Light unit connects；In Car license recognition instrument, the special DSP towards multimedia application of main employing is main control chip,
The interface of this CPU processing system connects has power supply to power modular converter, RS232 level switch module, network
Data transmission module, data and program storage and image capture module；The system that its each several part is constituted can
The license plate image collected by analog video camera and recognition result data are by regarding that CPU processing system exports
Frequently data signal is passed to host computer by Ethernet interface and is carried out data transmission.
But, this system needs by utilizing computer to carry out image recognition after taking pictures car plate.To car plate
The link of licence plate, owing on road, the sunshine environment of day and night differs greatly, it is difficult to ensure that the image clapped
Between concordance, this just brings bigger difficulty to computer identification.In image recognition link, due to car
Board itself is only small part on body of a motor car, and road, vehicle entirety are taken pictures and can be obtained far
The data volume much bigger more than car plate digital picture itself.For computer system, googol needs according to amount
Want huge memory space, be difficult to realize quickly processing simultaneously, which limits efficiency and the enforcement of this system
Scope.On the other hand, the information on car plate can be considered as X-Y scheme, and computer is to X-Y scheme at present
The difficulty identified is higher, needs software and the debugging of specialty of design complexity.This adds increased this system to run
Cost.
Summary of the invention
In view of this, it is necessary to active vehicle recognition system and vehicle master that a kind of recognition accuracy is higher are provided
Dynamic recognition methods.
A kind of active vehicle recognition system, for the vehicle travelled on road is identified, including video camera,
Image identification system, also includes that luminescent marking, described luminescent marking are LED or Halogen light, and this luminescence is marked
Note is arranged on this road the top of the vehicle travelled, and this video camera is arranged on the top of this road, this shooting
Machine is arranged towards this road to record the current video of vehicle on this road, and this image identification system is used for analyzing
The image of this camera record, and identify the luminescent marking in described image, this luminescent marking sends and road
Road surrounding differs bigger light and this luminescent marking can be identified by this image identification system.
A kind of vehicle active identification method, it is characterised in that this vehicle active identification method uses a kind of vehicle
Initiative recognition system identification vehicle, this active vehicle recognition system is for knowing the vehicle travelled on road
Not, including video camera, image identification system, also including luminescent marking, this luminescent marking is arranged on this road
The top of the vehicle of upper traveling, this photographic head is arranged on the top of this road, this video camera towards this road and
Vehicle is arranged, and to record the current video of vehicle on this road, this image identification system is used for analyzing this shooting
The image of machine record, and identify the luminescent marking in described image, this vehicle active identification method include as
Lower step: luminescent marking is set on vehicle；Utilize the traveling image of vehicle on this camera record road；
Utilize this image identification system to detect the image of this camera record, identify the luminous mark in described image
Note, this luminescent marking sends and differs bigger light with road surrounding and make this image identification system can be by
This luminescent marking identifies.
Compared with prior art, active vehicle recognition system of the present invention and vehicle active identification method are by this
This luminescent marking is set on the surface of vehicle, utilizes this image identification system to analyze the figure of this camera record
Picture, and identify the luminescent marking in described image, ring around the light sent due to this luminescent marking and road
Border differs greatly, and this allows for this image identification system and can effectively be identified by this luminescent marking, pole
The earth improves the accuracy rate of this image identification system identification, thus has the advantage that accuracy rate is higher.
Accompanying drawing explanation
Fig. 1 is the solid of the vehicle being provided with luminescent marking in active vehicle recognition system first embodiment of the present invention
Figure.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated:
Refer to Fig. 1, Fig. 1 and show vehicle 10 in the active vehicle recognition system of first embodiment of the invention
Axonometric chart, this vehicle 10 includes top 12, afterbody 14.After this afterbody 14 includes being positioned at vehicle 10
The rear wall 142 of end.Middle part on this rear wall 142 is provided with a vehicle license 11.This vehicle license 11
It is provided with the number (not shown) of mark testing vehicle register.This active vehicle recognition system is for road (figure
Not showing) the upper vehicle travelled is identified.
Refer to Fig. 1, the active vehicle recognition system of first embodiment of the invention include three luminescent markings 20,
Travel on video camera (not shown), image identification system (not shown), road (not shown) and road
Vehicle 10.This hanging camera in the top of road side and is arranged towards this road and vehicle 10, is used for
Record the current video of vehicle 10 on its neighbouring road.This image identification system includes host computer, figure
As recognizer and connecting line.This connecting line connects the video camera on this road and this host computer, this is taken the photograph
The video of camera record sends this host computer to and is analyzed.This host computer and this image recognition program are used
Analyze in real time in the video that this video camera is recorded, first this video signal be converted to digital signal,
The image of this camera record is analyzed by recycling image recognition program, and identifies in these images
Existing luminescent marking 20, judges have vehicle 10 to cross on this road with this.Finally, this image identification system
Recognition result can be exported to intelligent transportation system (ITS), judge the information such as traffic for ITS.
Refer to Fig. 1, the structure of these three luminescent markings 20 is identical, is the LED that can send Infrared
Lamp or Halogen light.These luminescent markings 20 electrically connect with the battery in this vehicle 10, to obtain electric power.Should
On three spaced tops 12 being arranged on this vehicle 10 of luminescent marking 20, and along being parallel to this car
The direction arrangement of the vehicle body of 10.Certainly, this luminescent marking 20 can also be arranged on this vehicle 10 surface
Other positions.This image identification system can identify the light that this luminescent marking 20 sends.This luminescence is marked
Note 20 is arranged according to predetermined dimension, is provided with the program identifying this predetermined dimension, makes in this image identification system
Obtain this luminescent marking 20 and can produce the effect of similar bar code, identify the identity information of vehicle.
This video camera also includes filter lens, before this filter lens is arranged on the camera lens of this video camera, and this filter lens pair
Should arrange by the light that sends of luminescent marking.This filter lens is used for filtering the light that this luminescent marking 20 non-sends,
To reduce the data volume of this camera acquisition.The light sent due to this luminescent marking 20 is infrared light, therefore
This filter lens can filter major part visible ray, thus the impact of solar irradiation condition is preferably minimized, it is ensured that
Can be smoothed out day and night identifying.
The vehicle active identification method of active vehicle recognition system using first embodiment of the invention include as
Lower step: first, arranges the luminescent marking 20 according to predetermined dimension arrangement on vehicle 10；Utilize this to take the photograph
Camera record road get on the bus 10 traveling image；This image identification system is utilized to analyze this camera record
Image, identify the luminescent marking 20 in described image.When the interval of the pattern in luminescent marking 20 is big
In 0.5 meter time, it is determined that for the luminescent marking 20 in different vehicle 10.
In sum, this active vehicle recognition system and vehicle active identification method are by this vehicle 10
This luminescent marking 20 is set on surface, utilizes this image identification system to analyze the image of this camera record, and
Identify the luminescent marking 20 in described image.Compared with prior art, send due to this luminescent marking 20
Light differ greatly with road surrounding, this allows for this image identification system can be effectively by this luminescence
Labelling 20 identifies, and drastically increases the accuracy rate of this image identification system identification.It is additionally, since
This luminescent marking is active illuminating, no matter day and night, this image identification system all can effectively be identified.
By with the use of optical filter, the most unnecessary information filtering can be fallen, be effectively reduced this image
Identification system data volume to be processed, improves processing speed and reduces hardware and software cost, at ITS
The traffic system managing whole city provides possibility.It addition, pass through this luminescent marking 20 according to predetermined
Specification, along being parallel to vehicle body arrangement, can play the effect of similar bar code, make this image identification system energy
Identify rapidly the identity information of this vehicle 10.These luminescent markings 20 are arranged along the direction being parallel to vehicle body
The change of the global shape that can as far as possible reduce vehicle 10 different apart from video camera distance and to produce.And,
The mode of the numeral on middle Direct Recognition car plate 11, the employing of this luminescent marking 20 will be big
In big this image identification system of simplification, the complexity of recognizer, improves the accuracy identified.When on this road
When having multiple vehicle 10 to pass through, owing to the spacing between vehicle 10 is significantly larger than each figure in this luminescent marking
The spacing of case, therefore this image identification system can easily identify the information of multiple vehicle 10.
It should be understood that this luminescent marking 20 is in addition to sending infrared light, it is also possible to send other and surrounding
The light that the contrast of environment is bigger, it is simple to the identification of image identification system is such as, stronger to misty rain penetration power
Gold-tinted etc..When this luminescent marking 20 is for sending infrared light, this video camera can also be ir supervisor
Deng equipment.This image identification system can also be connected by the way of wired or wireless with multiple photographic head, with
Just multiple crossing, the monitoring of system-wide section are realized.
Obviously, those skilled in the art the embodiment in the present invention can be carried out various change and modification and
Without departing from the spirit and scope of the present invention.So, if these amendments in the embodiment of the present invention and modification belong to
Within the scope of the claims in the present invention and equivalent thereof, then the embodiment in the present invention is also intended to comprise these
Change and including modification.
Claims (8)
1. an active vehicle recognition system, for being identified, including taking the photograph the vehicle travelled on road
Camera, image identification system, it is characterised in that also include that luminescent marking, described luminescent marking are LED
Or Halogen light, this luminescent marking is arranged on this road the top of the vehicle travelled, and this video camera is arranged on this
The top of road, this video camera is arranged towards this road to record the current video of vehicle, this figure on this road
As identification system is for analyzing the image of this camera record, and identify the luminescent marking in described image,
This luminescent marking sends and differs bigger light with road surrounding and make this image identification system can be by this
Signal identifies.
Active vehicle recognition system the most according to claim 1, it is characterised in that described luminous mark
Note can send infrared light.
Active vehicle recognition system the most according to claim 2, it is characterised in that described luminous mark
Note electrically connects with the battery of this vehicle.
Active vehicle recognition system the most according to claim 1, it is characterised in that include multiple
Signal, the spaced surface being arranged on this vehicle of described luminescent marking.
Active vehicle recognition system the most according to claim 4, it is characterised in that described luminous mark
Remember the direction arrangement along the vehicle body being parallel to this vehicle.
Active vehicle recognition system the most according to claim 5, it is characterised in that described luminous mark
Note is according to the predetermined spaced setting of specification, and this image identification system is provided with the program identifying this predetermined dimension.
Active vehicle recognition system the most according to any one of claim 1 to 6, it is characterised in that
This video camera also includes filter lens, before this filter lens is arranged on the camera lens of this video camera, and this filter lens correspondence institute
State the light setting that luminescent marking sends.
8. a vehicle active identification method, it is characterised in that this vehicle identification method uses claim 1
To the active vehicle recognition system identification vehicle according to any one of 7, comprise the steps:
Vehicle arranges luminescent marking；
Utilize the traveling image of vehicle on this camera record road；
Utilize this image identification system to detect the image of this camera record, identify the luminescence in described image
Labelling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210100545.0A CN102682607B (en) | 2012-04-08 | 2012-04-08 | Active vehicle recognition system and vehicle active identification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210100545.0A CN102682607B (en) | 2012-04-08 | 2012-04-08 | Active vehicle recognition system and vehicle active identification method |
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| CN102682607A CN102682607A (en) | 2012-09-19 |
| CN102682607B true CN102682607B (en) | 2016-12-07 |
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| CN106056915B (en) | 2016-06-17 | 2019-07-23 | 京东方科技集团股份有限公司 | Vehicle identity information recognition methods and system, identification device and acquisition device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4771399B2 (en) * | 2005-02-23 | 2011-09-14 | 本田技研工業株式会社 | Vehicle recognition device |
| JP4901651B2 (en) * | 2007-08-31 | 2012-03-21 | アマノ株式会社 | License plate imaging system for vehicles |
| GB2458701C (en) * | 2008-03-28 | 2018-02-21 | Pips Tech Limited | Vehicle identification system |
| US8865293B2 (en) * | 2008-12-15 | 2014-10-21 | 3M Innovative Properties Company | Optically active materials and articles and systems in which they may be used |
| WO2010106627A1 (en) * | 2009-03-16 | 2010-09-23 | 富士通株式会社 | Image processor, image processing method, image processing program, and monitoring device |
| CN102044154A (en) * | 2009-10-19 | 2011-05-04 | 黄光佗 | Invisible mark and identification system for license plate number of automobile |
| CN101811481A (en) * | 2010-04-28 | 2010-08-25 | 燕山大学 | Anti-counterfeiting license plate containing optical hidden code and production and identification method thereof |
| CN201736924U (en) * | 2010-04-28 | 2011-02-09 | 燕山大学 | Anti-fake license plate with optical hidden codes |
| CN102682606A (en) * | 2012-04-07 | 2012-09-19 | 李甫文 | Vehicle recognizing system and vehicle recognizing method |
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Effective date of registration: 20190124 Address after: 201799 floor 5, C building, 333 National Convention and Exhibition Center, song Ze Avenue, Qingpu District, Shanghai. Patentee after: Weimar Automobile Technology Group Co.,Ltd. Address before: 510640 2414-2416 of the main building 371, five mountain road, Tianhe District, Guangzhou, Guangdong. Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20190124 Address after: 510640 2414-2416 of the main building 371, five mountain road, Tianhe District, Guangzhou, Guangdong. Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 361010 No. 1511, Second Road, Huahubei, Huli District, Xiamen City, Fujian Province Patentee before: Li Fuwen |