CN204256339U - A kind of laser assisted information of vehicles capturing apparatus - Google Patents
A kind of laser assisted information of vehicles capturing apparatus Download PDFInfo
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- CN204256339U CN204256339U CN201420820204.5U CN201420820204U CN204256339U CN 204256339 U CN204256339 U CN 204256339U CN 201420820204 U CN201420820204 U CN 201420820204U CN 204256339 U CN204256339 U CN 204256339U
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Abstract
The utility model relates to a kind of laser assisted information of vehicles capturing apparatus.Comprise shell, car plate video camera, band pass filter, panoramic camera, infrared laser luminaire and ECU (Electrical Control Unit) are installed in this shell; Panoramic camera is that the coloured silk that cutoff filter and saturating infrared laser optical filter are housed turns black video camera; Car plate video camera identification license board information assisted by band pass filter, infrared laser luminaire provides auxiliary infrared light light filling to throw light on for panoramic camera and car plate video camera, image information is passed to ECU (Electrical Control Unit) by panoramic camera and car plate video camera, and ECU (Electrical Control Unit) will obtain vehicle and license board information after information processing.Laser assisted information of vehicles capturing apparatus provided by the utility model, by infrared floor light and twin camera, achieve the identification of the facial characteristics of the front-seat driver and crew of information of vehicles, license board information and Che Nei, and can not cause dazzling in identifying to driver, effectively eliminate in prior art because of potential safety hazard that high light brings.
Description
Technical field
The utility model relates to laser active illumination and camera technique field, specifically, relates to a kind of laser assisted information of vehicles capturing apparatus.
Background technology
Along with the development of intelligent transportation industry, traffic monitoring and illegal activities are captured equipment and are got more and more, and these equipment are that vehicle supervision department provides convenience, can real time inspection traffic, carry out vehicle management and control, and can continual detection and the candid photograph carrying out illegal activities in 24 hours.In conjunction with high definition camera, can be seen clearly the facial characteristics of front-seat driver and crew in vehicle shape, color, the number-plate number and car by the light filling of bright white color break-up light modulation, for vehicle supervision department and public security department's solving criminal cases provide good evidence.
But these high technology equipments while offering convenience for vehicle supervision department and public security department also for driver and conductor brings certain puzzlement, while bright white color break-up light modulation is high definition camera light filling, strong flash of light makes driver dazzling, causes driver's temporary blindness, very easily brings out traffic hazard.
Therefore, how to design a kind of can identify the front-seat driver and crew of information of vehicles, license board information and Che Nei facial characteristics and can not cause driver and dazzle destination device, be the problem that those skilled in the art's letter need solve.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of laser assisted information of vehicles capturing apparatus.Laser assisted information of vehicles capturing apparatus provided by the utility model, by infrared floor light and twin camera, achieve the identification of the facial characteristics of the front-seat driver and crew of information of vehicles, license board information and Che Nei, and can not cause dazzling in identifying to driver, effectively eliminate in prior art because of potential safety hazard that high light brings.
In order to reach above-mentioned purpose, the utility model adopts following technical scheme:
A kind of laser assisted information of vehicles capturing apparatus, comprising:
Shell, is provided with car plate video camera, band pass filter, panoramic camera, infrared laser luminaire and ECU (Electrical Control Unit) in this shell;
Described panoramic camera is that the coloured silk that cutoff filter and saturating infrared laser optical filter are housed turns black video camera;
Car plate video camera identification license board information assisted by described band pass filter, infrared laser luminaire provides auxiliary infrared light for panoramic camera and car plate video camera, image information is passed to ECU (Electrical Control Unit) by panoramic camera and car plate video camera, and ECU (Electrical Control Unit) will obtain vehicle and license board information after information processing.
Preferably, described infrared laser luminaire comprises laser instrument heat-sink unit, infrared semiconductor laser and laser shaping camera lens; The infrared light that infrared semiconductor laser sends is changed to illuminated regional diffusion after crevice projection angle by laser shaping camera lens, and laser instrument heat-sink unit dispels the heat to infrared semiconductor laser.
Preferably, the Kepler telescope structure that is made up of two positive lenss of described laser shaping camera lens.
Preferably, described infrared semiconductor laser is vertical-cavity-face emitting semiconductor laser array or is LED array.
Preferably, described ECU (Electrical Control Unit) comprises mainboard, processor, power module, detection module, memory module, data-interface and computing machine; ECU (Electrical Control Unit) controls video camera and laser illuminator work, carries out image collection process, image recognition, Output rusults.
The utility model additionally provides the acquisition method utilizing said apparatus, and step is as follows:
A. vehicle is had through out-of-date, when detection module detects that vehicle is through panoramic camera shooting area, detection module sends trigger pip to panoramic camera, panoramic camera takes automobile colored image a under cutoff filter open mode, and is exported by image a and pass to ECU (Electrical Control Unit) and process; After image a has taken, send trigger pip and perform step B, if image a takes unsuccessfully, continue to perform steps A;
B. open infrared laser luminaire, license plate image b, at the auxiliary lower shooting license plate number image b of infrared light, then exports and passes to ECU (Electrical Control Unit) by car plate video camera; Meanwhile, panoramic camera coloured silk turns black, and saturating infrared laser optical filter is opened, and takes occupant's image c under black white image pattern, is then exported by image c and passes to ECU (Electrical Control Unit);
C. ECU (Electrical Control Unit) carries out image procossing to three width images, vehicle license plate color, characters on license plate and occupant's information are proposed from a, b, c tri-width image respectively, and carry out Images uniting, obtain vehicle and car plate colouring information, car plate and Che Nei human pilot image information.
Preferably, in described steps A, panoramic camera carries out a video capture, and image a carries out Image semantic classification, colour recognition after capturing, and obtains vehicle and car plate colouring information;
Preferably, in described step B, car plate video camera is at the auxiliary lower shooting license plate number image b of infrared light, and ECU (Electrical Control Unit) carries out pre-service to image b, and carries out License Plate and Recognition of License Plate Characters, then result is exported.
Preferably, in described step C, ECU (Electrical Control Unit) extracts vehicle and car plate colouring information from image a, extracts characters on license plate information from image b, and by the information fusion extracted in image a, b in image c, human pilot information in vehicle, car plate and car that obtaining collects evidence needs.
The beneficial effects of the utility model are: panoramic camera and car plate video camera infrared laser luminaire auxiliary under carry out the acquisition of information of vehicles, license board information and occupant's information, the multiple image information of video capture is carried out processing and is merged rear Output rusults by ECU (Electrical Control Unit), achieves not cause when potential safety hazard driver to obtain much information.
Accompanying drawing illustrates:
Fig. 1 is application state figure of the present utility model;
Fig. 2 is front elevation of the present utility model;
Fig. 3 is the process flow diagram of acquisition method in the utility model;
Fig. 4 is car plate camera operation process flow diagram in the utility model;
Fig. 5 is panoramic camera workflow diagram in the utility model;
Wherein: 1, shell, 2, car plate video camera, 3, band pass filter, 4, panoramic camera, 5, ECU (Electrical Control Unit), 6, infrared semiconductor laser, 7, laser instrument heat-sink unit, 8, laser shaping camera lens.
Embodiment:
Below in conjunction with the accompanying drawing in the utility model, the utility model is described in detail.
Embodiment 1:
A kind of laser assisted information of vehicles capturing apparatus, its structure as shown in Figure 1-2: comprise shell 1, and car plate video camera 2, band pass filter 3, panoramic camera 4, laser illuminator and ECU (Electrical Control Unit) 5 be in the enclosure installed;
Band pass filter 3 assists car plate video camera 2 to identify license board information, infrared laser luminaire provides auxiliary infrared light for panoramic camera 4 and car plate video camera 2, image information is passed to ECU (Electrical Control Unit) 5 by panoramic camera 4 and car plate video camera 2, and ECU (Electrical Control Unit) 5 will obtain vehicle and license board information after information processing.
Described infrared laser luminaire comprises infrared semiconductor laser 6, laser instrument heat-sink unit 7 and laser shaping camera lens 8; The infrared light that infrared semiconductor laser 6 sends changes to illuminated regional diffusion after crevice projection angle by laser shaping camera lens 8, and laser instrument heat-sink unit 7 dispels the heat to infrared semiconductor laser 6.
Wherein, heat-sink unit can select the device with heat radiator and radiator fan.
Infrared semiconductor laser 6 can select centre wavelength to be 808nm, and static light power is the vertical cavity surface semiconductor laser array of 4W.The Kepler telescope structure that laser shaping camera lens 8 is made up of two positive lenss, the emission angle of infrared semiconductor laser 6 is changed by the distance between adjustment two panels lens, make it change between 5 ° ~ 40 °, realize the lighting requirement to different in width and track vehicle.
In shooting process, car plate video camera 2 uses together with band pass filter 3.Car plate video camera 2 uses the imaging sensor of lining by line scan more than 2,000,000 pixels, collocation 12mm infrared calibration mega pixel camera lens, and video camera electronic shutter is adjustable according to environment for use; Centered by band pass filter 3, wavelength is the spike interference filter of 808nm, bandwidth 10nm, being positioned over car plate video camera 2 optical axis direction above, for filtering the light of headlight for vehicles, carrying out high light suppression to car light, realize seeing car plate effect.
Panoramic camera 4 adopts the high-definition camera of 5,000,000 pixel resolutions, adopt 6mm focal length 5,000,000 pixel resolution high definition camera lens, the two optical-filter switcher of IR-CUT is housed between camera lens and video camera, and the two optical-filter switcher of IR-CUT is made up of two optical filter and power section.Wherein, the combination of two optical filter can be cutoff filter and saturating infrared laser optical filter; The power section of the two optical-filter switcher of IR-CUT can be electromagnetism, motor or other power sources; Also the dual band pass optical filter that can pass through visible ray and 808nm laser can be adopted to replace the two optical-filter switcher of IR-CUT.When panoramic camera 4 works, open cutoff filter, will, in color mode work, realize obtaining road conditions, signal lamp and vehicle shape, colouring information; After laser illuminator is opened, panoramic camera opens infrared laser optical filter, can increase the infrared laser light filling of image device, meets the shooting requirement of video camera to human pilot in car.
ECU (Electrical Control Unit) 5 realizes power supply to video camera and infrared laser luminaire, job control and image procossing.
In above-mentioned capturing apparatus, its acquisition method process is:
A. when having vehicle through surveyed area trigger pip, panoramic camera 4 takes automobile colored image a under cutoff filter open mode, and image a is exported pass to ECU (Electrical Control Unit) 5 and process, then send trigger pip and perform step B, if image a takes unsuccessfully, continue to perform steps A;
B. open infrared laser luminaire, license plate image b, at the auxiliary lower shooting license plate number image b of infrared light, then exports and passes to ECU (Electrical Control Unit) 5 by car plate video camera 2; Meanwhile, panoramic camera 4 coloured silk turns black, under saturating infrared laser optical filter open mode, take occupant's image c, is then exported by image c and passes to ECU (Electrical Control Unit) 5;
C. ECU (Electrical Control Unit) 5 carries out image procossing to three width images, vehicle and car plate color, characters on license plate and occupant's information are proposed from a, b, c tri-width image respectively, and carry out Images uniting, obtain vehicle and car plate colouring information, car plate and Che Nei human pilot image information.
In step, panoramic camera 4 carries out a video capture, and image a carries out Image semantic classification, colour recognition after capturing, and obtains vehicle and car plate colouring information;
In stepb, car plate video camera 2 is at the auxiliary lower shooting license plate number image b of infrared light, and ECU (Electrical Control Unit) 5 pairs of images carry out pre-service, and carry out License Plate and Recognition of License Plate Characters, then result are exported.
In stepb, after infrared laser luminaire is opened, panoramic camera 4 coloured silk turns black, and saturating infrared laser optical filter is opened, and increases camera light flux, carries out secondary image acquisition, then carry out image output, obtains human pilot information in car.
In step C, ECU (Electrical Control Unit) 5 extracts vehicle and car plate colouring information from image a, extracts characters on license plate information from image b, and by the information fusion extracted in image a, b in image c, human pilot information in vehicle, car plate and car that obtaining collects evidence needs.
After have employed said structure, this programme, by merging the information of car plate video camera and panoramic camera shooting, realizes obtaining when not disturbing driver driving the image information of human pilot details in car plate color and number, vehicle body shape color, car.Daytime, the discrimination to car plate was greater than 90%, and night, Car license recognition rate was greater than 80%.
Kepler mentioned by the utility model looks in the distance structure, and with existing Kepler telescope similar, the system be all made up of two positive lenss, its principle does not repeat at this; The unaccounted-for technology of the utility model is the art actualizing technology, does not elaborate at this.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a laser assisted information of vehicles capturing apparatus, is characterized in that, comprising:
Shell, is provided with car plate video camera, band pass filter, panoramic camera, infrared laser luminaire and ECU (Electrical Control Unit) in this shell;
Described panoramic camera is that the coloured silk that cutoff filter and saturating infrared laser optical filter are housed turns black video camera;
Car plate video camera identification license board information assisted by described band pass filter, infrared laser luminaire provides auxiliary infrared light light filling to throw light on for panoramic camera and car plate video camera, image information is passed to ECU (Electrical Control Unit) by panoramic camera and car plate video camera, and ECU (Electrical Control Unit) will obtain vehicle and license board information after information processing.
2. laser assisted information of vehicles capturing apparatus according to claim 1, is characterized in that, described infrared laser luminaire comprises laser instrument heat-sink unit, infrared semiconductor laser and laser shaping camera lens; The infrared light that infrared semiconductor laser sends is changed to illuminated regional diffusion after crevice projection angle by laser shaping camera lens, and laser instrument heat-sink unit dispels the heat to infrared semiconductor laser.
3. laser assisted information of vehicles capturing apparatus according to claim 2, is characterized in that, the Kepler telescope structure that described laser shaping camera lens is made up of two positive lenss.
4. laser assisted information of vehicles capturing apparatus according to claim 2, is characterized in that, described infrared semiconductor laser is vertical cavity surface emitting laser arrays or is LED array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420820204.5U CN204256339U (en) | 2014-12-19 | 2014-12-19 | A kind of laser assisted information of vehicles capturing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420820204.5U CN204256339U (en) | 2014-12-19 | 2014-12-19 | A kind of laser assisted information of vehicles capturing apparatus |
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| CN204256339U true CN204256339U (en) | 2015-04-08 |
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| CN201420820204.5U Active CN204256339U (en) | 2014-12-19 | 2014-12-19 | A kind of laser assisted information of vehicles capturing apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407488A (en) * | 2014-12-19 | 2015-03-11 | 咸洋 | Laser-assisted vehicle information shooting device and shooting method |
| CN109887142A (en) * | 2019-02-28 | 2019-06-14 | 中控智慧科技股份有限公司 | A kind of method and identification device of vehicle identification |
-
2014
- 2014-12-19 CN CN201420820204.5U patent/CN204256339U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407488A (en) * | 2014-12-19 | 2015-03-11 | 咸洋 | Laser-assisted vehicle information shooting device and shooting method |
| CN109887142A (en) * | 2019-02-28 | 2019-06-14 | 中控智慧科技股份有限公司 | A kind of method and identification device of vehicle identification |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210531 Address after: 213000 No.143, Qingyang North Road, Tianning District, Changzhou City, Jiangsu Province Patentee after: Changzhou Yixuan Laser Technology Co.,Ltd. Address before: 2-3-502, No.11, Qianfo Shandong Road, Jinan, Shandong 250014 Patentee before: Xian Yang |
|
| TR01 | Transfer of patent right |