CN205051796U - On -vehicle infrared night vision device of video processor - Google Patents
On -vehicle infrared night vision device of video processor Download PDFInfo
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- CN205051796U CN205051796U CN201520197338.0U CN201520197338U CN205051796U CN 205051796 U CN205051796 U CN 205051796U CN 201520197338 U CN201520197338 U CN 201520197338U CN 205051796 U CN205051796 U CN 205051796U
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Abstract
The utility model provides an on -vehicle infrared night vision device of video processor, relates to an automotive electronics night vision device, the device is including this infrared camera, display, host computer, host computer shell top is equipped with host computer recess, camera video line input recess and display video line output recess, be equipped with video processing circuit board in the host computer shell, this video processing circuit board comprises video processing ware circuit, video decoding circuit, video coding circuit, processing circuit, be equipped with camera video line input interface on the video decoding circuit on this video processing circuit board, continuous with infrared camera through camera video line, this camera video line input interface is located the camera video line input groove of host computer shell top, the utility model discloses a gather from the car parameter information, discern the road and judge with pedestrian's early warning, audible alarm carries out to be red with region and pedestrian's mark outside the road on the display, the suggestion is dangerous.
Description
Technical field
The utility model relates to a kind of automotive electronics night-vision devices, particularly relates to a kind of video processor vehicle mounted infrared night-vision devices.
Background technology
Popularizing and applying of automobile will more generally and be goed deep into, and the traffic accident generating capacity thereupon brought has ever-increasing trend.Vehicle mounted infrared night vision system is by road and the identification of pedestrian at night, can effectively remind driver due to visual fatigue that night, fatigue driving caused, effectively reduce the generation of driving at night accident, improve travel safety, increasing auto vendor starts exploitation and uses vehicle mounted infrared night vision system.
Existing vehicle mounted infrared night vision system mainly concentrates in pedestrian's recognizer, does not fully take into account the parameter of automobile self and the information of road, the problem that therefore ubiquity real-time is bad, detection is comprehensive, cost is high.
Summary of the invention
The purpose of this utility model is to provide a kind of video processor vehicle mounted infrared night-vision devices, the method that this device is combined with from car parameter by image procossing, processor has the plurality of devices such as network, CAN communication interface, simultaneously, video processor TMS320DM6437 is integrated with video encoding module, by the parameter information gathered, road to be identified and pedestrian's early warning judges, prompting danger.
The purpose of this utility model is achieved through the following technical solutions:
A kind of video processor vehicle mounted infrared night-vision devices, described device comprises this infrared camera, display, main frame; Be provided with main frame groove, camera video line input groove and display video line above host housing and export groove; Host housing is built with video processing circuit board, and this video processing circuit board is made up of video processor circuit, video decoding circuit, video coding circuit, signal processing circuit; Video decoding circuit on this video processing circuit board is provided with camera video line input interface, is connected with infrared camera by camera video line, and this camera video line input interface is positioned at the camera video line input groove above host housing; Video coding circuit on video processing circuit board is provided with display video line output interface, is connected with display by display video line, and the display video line that this display video line output interface is positioned at above host housing exports groove; Signal processing circuit on video processing circuit board is provided with host C AN bus interface, is connected with automobile CAN-bus by CAN, and host C AN bus interface is positioned at the main frame groove above host housing;
Described a kind of video processor vehicle mounted infrared night-vision devices, described video decoding circuit is made up of video decoding chip MTV230MV and its peripheral circuit.
Described a kind of video processor vehicle mounted infrared night-vision devices, described video processor circuit is made up of DDR3 storage chip KHX1333C9D3UK2, FLASH storage chip AM29LV065DU-90REF, video processor TMS320DM6437.
Described a kind of video processor vehicle mounted infrared night-vision devices, described video processor TMS320DM6437 inside set forms video encoding module.
Described a kind of video processor vehicle mounted infrared night-vision devices, described video encoding module video coding circuit is made up of video amplification chip THS7314DRTHS7314SOP-8.
Advantage of the present utility model and effect are:
The utility model main frame by infrared camera is collected image and by CAN collect from car parameter information, road to be identified and pedestrian's early warning judges.During normal traveling, in night vision image road on a video display shown in green region pedestrian be marked with green frame.If when driver does not travel according to safety instruction, judge that vehicle does not travel in road green area, close to the pedestrian detected or when likely colliding pedestrian by vehicle mounted infrared night vision system algorithm, carry out audible alarm, and over the display road exterior domain and pedestrian being labeled as redness, prompting is dangerous.
Accompanying drawing explanation
Fig. 1 is the utility model unit connection diagram;
Fig. 2 is the utility model main machine structure schematic diagram;
Fig. 3 is the utility model host circuit schematic diagram.
Embodiment
Embodiment 1:
Annex in figure: 1 is display video line, 2 is display, and 3 is CAN, and 4 is main frame groove, and 5 is display video line output groove, and 6 is camera video line input groove, and 7 is main frame, and 8 is infrared camera video line, and 9 is infrared camera.
The utility model comprises infrared camera, display, main frame.Main frame has 1 rectangular shell, is provided with 1 main frame groove, 1 camera video line input groove and 1 display video line and exports groove above host housing.At host housing built with 1 piece of video processing circuit board, this video processing circuit board is made up of video processor circuit, video decoding circuit, video coding circuit, signal processing circuit.Video processor circuit on this video processing circuit board adopts the video processor TMS320DM6437 of TI company, is responsible for processing video image and the control of whole system input and output.Video decoding circuit on this video processing circuit board is provided with 1 camera video line input interface, is connected with infrared camera by camera video line, and this camera video line input interface is positioned at the camera video line input groove above host housing.Video coding circuit on this video processing circuit board is provided with 1 display video line output interface, is connected with display by display video line, and the display video line that this display video line output interface is positioned at above host housing exports groove.Signal processing circuit on this video processing circuit board is provided with 1 host C AN bus interface, is connected with automobile CAN-bus by CAN, and this host C AN bus interface is positioned at the main frame groove above host housing.Infrared camera is responsible for gathering vehicle front ambient image at night, and the ambient image collected is transferred to main frame by camera video line.Display is responsible for the road extracted and pedestrian to carry out highlighted display.
Video decoding circuit is made up of video decoding chip MTV230MV and its peripheral circuit.Analog video signal is input to video decoding chip MTV230MV through video filtering circuit by camera video signal, analog video signal is carried out decoding and is converted to digital video signal by video decoding chip MTV230MV, digital video signal outputs to video processor TMS320DM6437 through digital switch, is processed video image by video processor TMS320DM6437.Video processor circuit is made up of DDR3 storage chip KHX1333C9D3UK2, FLASH storage chip AM29LV065DU-90REF, video processor TMS320DM6437, DDR3 storage chip is used for the data in storage algorithm, FLASH storage chip is used for storage program, and video processor TMS320DM6437 is responsible for processing image.Video processor TMS320DM6437 inside is integrated with video encoding module, the digital of digital video data after process can be converted to analog video data and export, save external encode chip, can reduce system bulk, reduce cost.Therefore the utility model video coding circuit is made up of video amplification chip THS7314DRTHS7314SOP-8.The analog signal that video amplification chip THS7314DRTHS7314SOP-8 is responsible for video processor TMS320DM6437 exports is amplified, and is shown by the video frequency output after process through display video line to display.
Main frame by infrared camera is collected image and by CAN collect from car parameter information, road to be identified and pedestrian's early warning judges.During normal traveling, in night vision image road on a video display shown in green region pedestrian be marked with green frame.If when driver does not travel according to safety instruction, judge that vehicle does not travel in road green area, close to the pedestrian detected or when likely colliding pedestrian by vehicle mounted infrared night vision system algorithm, carry out audible alarm, and over the display road exterior domain and pedestrian being labeled as redness, prompting is dangerous.
The method that the utility model vehicle mounted infrared night-vision devices are combined with from car parameter by image processing algorithm, reduces the complexity of image processing algorithm, enhances the real-time of system.Meanwhile, adopt the processor TMS320DM6437 of TI company, this processor also has the plurality of devices such as network, CAN communication interface, and meanwhile, video processor TMS320DM6437 is integrated with video encoding module, can reduce system bulk, reduces cost.TMS320DM6437 aims at high-performance, the exploitation of low cost Video Applications, dominant frequency 600MHz, and 32 fixed points, adopt Leonardo da Vinci (DaVinci (TM)) technology.This device adopts the TMS320C64x+DSP kernel of TI the 3rd generation VLIW structure set (VelociTI.3), and dominant frequency can reach 600MHz, and support 88 or 4 16 parallel-by-bit MAC computings, peak value disposal ability is up to 4800MIPS.
Algorithmically, for the detection of road and pedestrian in infrared night vision image, identification to road and pedestrian in the process of the vehicle of running at high speed night due to what need to differentiate, on algorithm will first to gather to infrared image carry out denoising and strengthen allowing the method for rear employing optical flow field identify road, this algorithm realization gets up easily and the speed of service is fast; For Binarization methods, in order to improve the real-time of algorithm, adopt threshold binarization method; For road boundary candidate point extraction algorithm, in order to suppress the noise spot of infrared image, improvement direction DIFFUSION TREATMENT algorithm is proposed; For improving the validity of inspection road and pedestrian's identification, propose for identifying that road and pedestrian carry out the analysis of matching confidence level; To report to the police strategy for vehicle mounted infrared night vision, propose road that TLC and CCP combines and pedestrian identifies budget law.
Claims (5)
1. video processor vehicle mounted infrared night-vision devices, is characterized in that, described device comprises this infrared camera, display, main frame; Be provided with main frame groove, camera video line input groove and display video line above host housing and export groove; Host housing is built with video processing circuit board, and this video processing circuit board is made up of video processor circuit, video decoding circuit, video coding circuit, signal processing circuit; Video decoding circuit on this video processing circuit board is provided with camera video line input interface, is connected with infrared camera by camera video line, and this camera video line input interface is positioned at the camera video line input groove above host housing; Video coding circuit on video processing circuit board is provided with display video line output interface, is connected with display by display video line, and the display video line that this display video line output interface is positioned at above host housing exports groove; Signal processing circuit on video processing circuit board is provided with host C AN bus interface, is connected with automobile CAN-bus by CAN, and host C AN bus interface is positioned at the main frame groove above host housing.
2. a kind of video processor vehicle mounted infrared night-vision devices according to claim 1, is characterized in that, described video decoding circuit is made up of video decoding chip MTV230MV and its peripheral circuit.
3. a kind of video processor vehicle mounted infrared night-vision devices according to claim 1, it is characterized in that, described video processor circuit is made up of DDR3 storage chip KHX1333C9D3UK2, FLASH storage chip AM29LV065DU-90REF, video processor TMS320DM6437.
4. a kind of video processor vehicle mounted infrared night-vision devices according to claim 3, is characterized in that, described video processor TMS320DM6437 inside set forms video encoding module.
5. a kind of video processor vehicle mounted infrared night-vision devices according to claim 4, it is characterized in that, described video encoding module video coding circuit is made up of video amplification chip THS7314DRTHS7314SOP-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520197338.0U CN205051796U (en) | 2015-04-03 | 2015-04-03 | On -vehicle infrared night vision device of video processor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520197338.0U CN205051796U (en) | 2015-04-03 | 2015-04-03 | On -vehicle infrared night vision device of video processor |
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| CN205051796U true CN205051796U (en) | 2016-02-24 |
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| CN201520197338.0U Expired - Fee Related CN205051796U (en) | 2015-04-03 | 2015-04-03 | On -vehicle infrared night vision device of video processor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109035479A (en) * | 2018-08-09 | 2018-12-18 | 深圳市夜行人科技股份有限公司 | A kind of intelligence active safe driving ancillary equipment |
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2015
- 2015-04-03 CN CN201520197338.0U patent/CN205051796U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109035479A (en) * | 2018-08-09 | 2018-12-18 | 深圳市夜行人科技股份有限公司 | A kind of intelligence active safe driving ancillary equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20160403 |