CN105799574B - Night intelligence DAS (Driver Assistant System) - Google Patents
Night intelligence DAS (Driver Assistant System) Download PDFInfo
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- CN105799574B CN105799574B CN201610375935.7A CN201610375935A CN105799574B CN 105799574 B CN105799574 B CN 105799574B CN 201610375935 A CN201610375935 A CN 201610375935A CN 105799574 B CN105799574 B CN 105799574B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- B60Q1/085—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
- B60Q1/143—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/30—Indexing codes relating to the vehicle environment
- B60Q2300/31—Atmospheric conditions
- B60Q2300/314—Ambient light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/45—Special conditions, e.g. pedestrians, road signs or potential dangers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/30—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing
- B60R2300/301—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing combining image information with other obstacle sensor information, e.g. using RADAR/LIDAR/SONAR sensors for estimating risk of collision
Abstract
The present invention relates to a kind of night intelligence DAS (Driver Assistant System)s, the real-time collection vehicle front road conditions image of infrared camera is simultaneously transmitted to main control module by picture processing chip, millimetre-wave radar is by the target range signal transmission detected to main control module, main control module identifies image information and the judgement of vehicle front road conditions in real time, when judging to constitute a threat to vehicle driving safely, start infrared light filling LED to improve the brightness to target area and keep the original brightness in other regions；Judging that vehicle front road conditions have in the same direction or opposite target vehicle when driving, is reducing target vehicle regional luminance for anti-dazzle, real-time image information sends image processing module to and shown by display after processing；Main control module is calculated and is analyzed to the target range signal of reception, and road conditions real time information and warning message are sent to voice cue module.The present invention is bad in lighting conditions such as night, sleet hazes, can improve detection range and image quality.
Description
Technical field
The present invention relates to a kind of night intelligence DAS (Driver Assistant System)s, belong to motor vehicle intelligent auxiliary driving technology field.
Background technology
With the continuous development of economic society and the raising of living standards of the people, people's trip is increasingly dependent on automobile,
Thing followed Exploration on Train Operation Safety also increasingly protrudes.Under the mal-conditions such as night, sleet, haze, the sighting distance of driver becomes
The small, visual field narrows；In turning, lane change, the A columns between front windshield and preceding door glass can form visual dead angle,；In two vehicles
When intersection, if opponent vehicle does not close high beam in time, large stretch of blind area of driver is caused.The above situation may all cause
Driver's error in judgement, operation is improper, leads to Frequent Accidents.
Existing automobile at night driving assistance system is based primarily upon CCD camera or infrared detector imaging technique, will detect
To image electric signal is converted to by picture signal, and be imaged over the display.But both imaging techniques exist certain
Disadvantage：First, detection range is closer, it is affected by weather environment, second is that when driving at night, if opposed vehicle opens high beam,
It will also result in that image quality is low, image is difficult to.
Invention content
It is bad in lighting conditions such as night, sleet hazes that the object of the present invention is to provide one kind, can improve detection
The night intelligence DAS (Driver Assistant System) of distance and image quality.
The technical solution of the present invention in order to achieve the above objectives is：A kind of night intelligence DAS (Driver Assistant System), it is characterised in that：
Including image capture module, millimetre-wave radar, main control module, vehicular light control module, car light, infrared light filling LED, image procossing
Module and display and voice cue module；
The image capture module includes infrared camera and picture processing chip, before infrared camera is mounted on vehicle
On windshield, the road conditions image of the real-time collection vehicle front of infrared camera, and digitized map is changed by picture processing chip
As being transmitted to main control module；
The millimetre-wave radar is mounted on vehicle roof, for detect in real time the pedestrian of vehicle periphery, target vehicle with
And the target range between barrier and vehicle, and by the target range signal transmission detected to main control module；
The main control module is compared and is analyzed to the digital picture of reception, identifies vehicle front road conditions in real time
Pedestrian, target vehicle and barrier image information and judge, when judging illumination deficiency, issue instructions to car light
Control module starts car light to improve the brightness of illumination region；When judging to constitute a threat to vehicle driving safely, instruction is sent out
To vehicular light control module, improves the brightness to target area for starting infrared light filling LED and keep other regions original bright
Degree；Judging that vehicle front road conditions have in the same direction or opposite target vehicle when driving, is issuing instructions to vehicular light control module and opening
When high beam, target vehicle regional luminance is reduced for anti-dazzle, sends real-time image information after processing to image processing module；
Main control module is calculated and is analyzed to the target range signal of reception, and road conditions real time information and warning message are sent to language
Sound reminding module；
The vehicular light control module is used to receive the CAN signal of main control module, according to order-driven car light and infrared
Light filling LED operation；
The image processing module is for receiving the real-time image information that main control module is sent out, by real-time image information
Analog video signal is converted to, image processing module outlet side is connect with display, display real-time display road conditions image and mesh
Subject distance；
The voice cue module is used to receive road conditions real time information and the warning message of main control module, and to receiving
Information play out.
Wherein：The main control module is when to digital image understanding, moreover it is possible to mark out brightness in data image signal
Change apparent point, and generate binary map, then filter out noise signal and interference signal, finally obtains the row of vehicle front road conditions
People, target vehicle and barrier real-time image information.
The main control module is mounted at the instrument desk of copilot station.
The night intelligence DAS (Driver Assistant System) of the present invention, uses image capture module, millimetre-wave radar, master control molding
Block, vehicular light control module and infrared light filling LED pass through the real-time collection vehicle front of infrared camera in image capture module
Road conditions image, and main control module is transmitted to by the way that picture processing chip changes into digital picture, it is docked by main control module
The digital picture progress of receipts identifies the pedestrian of vehicle front road conditions, the image information of target vehicle and barrier in real time, and
Image information is judged, in night illumination deficiency, main control module, which sends out instruction, makes vehicular light control module control,
It is improved to the brightness of illumination region for starting car light and carries out light filling.Main control module of the present invention is judging to vehicle driving
Safety is when constituting a threat to, and issues instructions to vehicular light control module and starts infrared light filling LED to improve brightness to target area, simultaneously
The original brightness in other regions is kept, can be therefore bad in lighting conditions such as night, sleet hazes, effectively improve infrared
Camera night acquires blurred image deficiency can improve image quality and detection range by the light filling of target area, remind
Driver can see road conditions clearly and can accurate judgement, reduce influence of the weather environment to driver, reduce the generation of accident.Invention master
Control module is judging there is vehicle or opposed vehicle in the same direction when driving to front, when high beam function is opened in control, can control
Target vehicle relevant range processed brightness reduces, and realizes anti-glare function, enables driver's accurate judgement road conditions.Night intelligence of the invention
The main control module of energy DAS (Driver Assistant System) shows treated digital picture biography by display in real time, and passes through voice
Reminding module real-time broadcasting traffic information can make prompting, alarm in due course.
Description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the functional block diagram of night intelligence DAS (Driver Assistant System) of the invention.
Fig. 2 is the schematic diagram that there is pedestrian in night intelligence DAS (Driver Assistant System) identification of the invention front.
Fig. 3 is the schematic diagram that there is target vehicle in the same direction in night intelligence DAS (Driver Assistant System) identification of the invention front.
In figure：1-image capture module, 2-millimetre-wave radars, 3-main control modules, 4-vehicular light control modules, 5-
Image processing module, 6-voice cue modules, 7-car lights, 8-infrared light filling LED, 9-displays, 10-pedestrians, 11-vehicles
, 12-target vehicles.
Specific implementation mode
As shown in Figure 1, night intelligence DAS (Driver Assistant System) of the invention, including image capture module 1, millimetre-wave radar 2,
Main control module 3, vehicular light control module 4, car light 7, infrared light filling LED8, image processing module 5 and display 9 and voice carry
Show module 6.The outlet side of the image capture module 1 and millimetre-wave radar 2 is connect with 3 input side of main control module, and main control
The outlet side of module 3 is connect with vehicular light control module 4, image processing module 5 and voice cue module 6, vehicular light control module 4 with
Car light 7 and infrared light filling LED8 connections drive car light 7 and infrared light filling LED8 work.
As shown in Figure 1, image capture module 1 of the invention includes infrared camera and picture processing chip, infrared photography
Head is mounted on 11 front windshield of vehicle, the road conditions image of real-time 11 front of collection vehicle of infrared camera, and passes through image
Processing chip changes into Digital Image Transmission to main control module 3, passes through the pedestrian of real-time 11 front of collection vehicle of infrared camera
10, target vehicle 12 and some road conditions images such as barrier that may influence traveling are sent to main control module 3.The milli of the present invention
Metre wave radar 2 is mounted on 11 top of vehicle, for detecting pedestrian 10, target vehicle 12 and barrier around vehicle 11 in real time
With the target range between vehicle 11, and by the target range signal transmission detected to main control module 3, through main control module
After 3 processing by 9 real-time display road conditions image of display and barrier with a distance from this vehicle, and voice cue module 6 is real-time
Traffic information is reported, and makes prompting, alarm in due course.
As shown in Figure 1, main control module 3 of the invention is compared and is analyzed to the digital picture of reception, is identified in real time
Go out the pedestrian 10 of 11 front road conditions of vehicle, the image information of target vehicle 12 and barrier and judges, main control module 3
At the instrument desk of copilot station.As shown in Figure 2, main control module 3 of the present invention sends out finger when judging illumination deficiency
It enables to vehicular light control module 4, is improved to the brightness of illumination region for starting car light 7 and carry out light filling, judged to vehicle
When 11 traffic safeties constitute a threat to, vehicular light control module 4 is issued instructions to, is improved to target for starting infrared light filling LED8
The brightness in region simultaneously keeps the original brightness in other regions, therefore the present invention can be in the bad weathers such as night and sleet, haze
When driving, in illumination deficiency, sending out instruction by main control module 3 makes vehicular light control module 4 control infrared light filling
LED8 carries out light filling, can effectively improve infrared camera and acquires the smudgy situation of image because night illumination is insufficient, makes to drive
The person of sailing can carry out accurate judgement to front road conditions, reduce the generation of accident.As shown in Figure 3, main control module 3 of the present invention is judging
11 front road conditions of vehicle have target vehicle 12 in the same direction or opposite when driving, issue instructions to vehicular light control module 4 and are opening far
When light lamp, 12 regional luminance of target vehicle is reduced for anti-dazzle, driver is enable to see front road conditions
Main control module 3 of the present invention is when to digital image understanding, moreover it is possible to mark out brightness change in data image signal
It is apparent, and binary map is generated, then noise signal and interference signal are filtered out, finally obtain the pedestrian of 11 front road conditions of vehicle
10, the real-time image information of target vehicle 12 and barrier.The main control module 3 of the present invention merges artificial neural network, original
Beginning method for detecting image edge and Kalman filter pass through a large amount of different image patterns of prior learning and corresponding output
As a result, making artificial neural network algorithm when with this model, it can gradually identify similar image, be examined by original image edge
Survey method marks out the apparent point of brightness change in digital picture, binary map is generated, in the process, with Kalman filtering
Device removes noise and interference signal, quick, " real-time " handles digital picture by Kalman filter energy, effectively improves vehicle
Image processing speed in 11 motion processes simultaneously saves memory.
As shown in Figure 1, by treated, real-time image information sends image processing module 5, image of the present invention to the present invention
Processing module 5 is converted to analog video letter for receiving the real-time image information that main control module 3 is sent out, by real-time image information
Number, 5 outlet side of image processing module is connect with display 9, and 9 real-time display road conditions image of display and barrier are from this vehicle
Distance, display 9 of the invention are installed on above console, and driver is facilitated to observe.
As shown in Figure 1, main control module 3 of the invention is calculated and is analyzed to the target range signal of reception, by road
Condition real time information and warning message are sent to voice cue module 6, voice cue module 6 in receiving main control module 3
Real-time road condition information and warning message, and the real-time road condition information and warning message of reception are played out, remind driving in real time
Member, alarm is sent out to detecting closer target range.
As shown in Figure 1, vehicular light control module 4 of the invention receives the CAN signal from main control module 3, according to instruction
Car light 7 and infrared light filling LED8 work are driven, controlling car light 7 by vehicular light control module 4 realizes each function, while according to master control
Molding block 3 makes vehicular light control module 4 control infrared light filling LED8 to open or close in illumination deficiency, carries out light filling, can improve
Image quality and detection range.
Claims (3)
1. a kind of night intelligence DAS (Driver Assistant System), it is characterised in that：Including image capture module (1), millimetre-wave radar (2),
Main control module (3), vehicular light control module (4), car light (7), infrared light filling LED (8), image processing module (5) and display
Device (9) and voice cue module (6)；
The image capture module (1) includes infrared camera and picture processing chip, and infrared camera is mounted on vehicle
(11) on front windshield, the road conditions image of the real-time collection vehicle of infrared camera (11) front, and pass through picture processing chip
Digital Image Transmission is changed into main control module (3)；
The millimetre-wave radar (2) is mounted at the top of vehicle (11), for detect in real time the pedestrian (10) around vehicle (11),
Target range between target vehicle (12) and barrier and vehicle (11), and extremely by the target range signal transmission detected
Main control module (3)；
The main control module (3) is compared and is analyzed to the digital picture of reception, is identified in real time in front of vehicle (11)
The pedestrian (10) of road conditions, the image information of target vehicle (12) and barrier simultaneously judge, when judging illumination deficiency, hair
Go out instruction and give vehicular light control module (4), starts car light (7) to improve the brightness of illumination region；Judging to drive a vehicle to vehicle (11)
When safety constitutes a threat to, vehicular light control module (4) is issued instructions to, is improved to target area for starting infrared light filling LED (8)
The brightness in domain simultaneously keeps the original brightness in other regions；Judging that road conditions have in the same direction or opposite target vehicle in front of vehicle (11)
(12) when driving, vehicular light control module (4) is issued instructions to when opening high beam, is reduced target vehicle (12) regional luminance and is used
In anti-dazzle, real-time image information after processing is sent to image processing module (5)；Main control module (3) to the target of reception away from
It is calculated and is analyzed from signal, road conditions real time information and warning message are sent to voice cue module (6)；
The vehicular light control module (4) is used to receive the CAN signals of main control module (3), according to order-driven car light (7) and
Infrared light filling LED (8) work；
The image processing module (5) believes realtime graphic for receiving the real-time image information that main control module (3) is sent out
Breath is converted to analog video signal, and image processing module (5) outlet side is connect with display (9), display (9) real-time display road
Condition image and target range；
The voice cue module (6) is used to receive road conditions real time information and the warning message of main control module (3), and docks
The information of receipts plays out.
2. a kind of night intelligence DAS (Driver Assistant System) according to claim 1, it is characterised in that：The main control module
(3) when to digital image understanding, moreover it is possible to the apparent point of brightness change in data image signal is marked out, and generates binary map,
Filter out noise signal and interference signal again, finally obtain the pedestrian (10) of road conditions in front of vehicle (11), target vehicle (12) and
The real-time image information of barrier.
3. a kind of night intelligence DAS (Driver Assistant System) according to claim 1, it is characterised in that：The main control module
(3) it is mounted at the instrument desk of copilot station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375935.7A CN105799574B (en) | 2016-05-31 | 2016-05-31 | Night intelligence DAS (Driver Assistant System) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375935.7A CN105799574B (en) | 2016-05-31 | 2016-05-31 | Night intelligence DAS (Driver Assistant System) |
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| Publication Number | Publication Date |
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| CN105799574A CN105799574A (en) | 2016-07-27 |
| CN105799574B true CN105799574B (en) | 2018-08-21 |
Family
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| CN201610375935.7A Active CN105799574B (en) | 2016-05-31 | 2016-05-31 | Night intelligence DAS (Driver Assistant System) |
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