CN105799574A - Intelligent night driver-assistance system - Google Patents
Intelligent night driver-assistance system Download PDFInfo
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- CN105799574A CN105799574A CN201610375935.7A CN201610375935A CN105799574A CN 105799574 A CN105799574 A CN 105799574A CN 201610375935 A CN201610375935 A CN 201610375935A CN 105799574 A CN105799574 A CN 105799574A
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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
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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
- B60Q1/14—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
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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
- 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
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- 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
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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
- 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
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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
- 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 invention relates to an intelligent night driver-assistance system.An infrared camera acquires a front road condition image of a vehicle in real time and transmits the image to a master control module through an image processing chip, a millimeter-wave radar transmits a detected target distance signal to the master control module, the master control module identifies information of the front road condition image of the vehicle and perform judgment in real time, starts an infrared light supplementing LED to improve the brightness of a target area and keeps original brightness of other areas when determining that the running safety of the vehicle is threatened, reduces the brightness of a target vehicle area for dazzle prevention, transmits processed image information to an image processing module in real time and displays the information through a displayer when determining that same-direction or opposite-direction target vehicles runs on the aspect of the front road condition of the vehicle; the master control module calculates and analyzes the received target distance signal and sends the real-time information of the road condition and alarm information to a voice prompting module.The intelligent night driver-assistance system can increase a detection distance and improve the imaging quality under the poor lighting conditions, such as night and rainy, snowy and haze days.
Description
Technical field
The present invention relates to one intelligence DAS (Driver Assistant System) at night, belong to motor vehicle intelligent auxiliary driving technology field.
Background technology
Along with the raising of development and the living standards of the people of economic society, people's trip is increasingly dependent on automobile, and thing followed Exploration on Train Operation Safety also protrudes day by day.Under the mal-conditions such as night, sleet, haze, the sighting distance of driver diminishes, the visual field narrows；When turning, lane change, the A post between front windshield and Qianmen glass can form visual dead angle,；When two car intersections, if opponent vehicle does not close high beam in time, cause large stretch of blind area of driver.The above situation is all likely to result in driver's error in judgement, and it is improper to operate, and causes Frequent Accidents.
Existing automobile at night drive assist system is based primarily upon CCD camera or Infrared Detectors imaging technique, and by picture signal, the image detected is converted to the signal of telecommunication imaging over the display.But both imaging techniques all exist certain shortcoming: one is that detection range is relatively near, is affected relatively big by weather environment, two when being driving at night, if opposed vehicle opens high beam, will also result in that image quality is low, image is difficult to.
Summary of the invention
It is an object of the invention to provide a kind of in the not good situations of lighting condition such as night, sleet haze, the intelligence DAS (Driver Assistant System) at night of detection range and image quality can be improved.
The present invention is the technical scheme reaching above-mentioned purpose: one intelligence DAS (Driver Assistant System) at night, it is characterised in that: include image capture module, millimetre-wave radar, main control module, vehicular light control module, car light, infrared light filling LED, image processing module and display and voice cue module；
Described image capture module includes infrared camera and picture processing chip, infrared camera is arranged on vehicle front windshield, the road conditions image of infrared camera Real-time Collection front part of vehicle, and change into Digital Image Transmission to main control module by picture processing chip；
Described millimetre-wave radar is arranged on vehicle roof, for the in real time detection pedestrian of vehicle periphery, target range between target vehicle and barrier and vehicle, and by the target range signal transmission that detects to main control module；
The digital picture received is contrasted and analyzes by described main control module, Real time identification goes out the image information of the pedestrian of vehicle front road conditions, target vehicle and barrier and judges, judging that illumination is not enough, issue instructions to vehicular light control module, improve the brightness in comparison territory, area pellucida for starting car light；When judging vehicle driving is constituted a threat to safely, issue instructions to vehicular light control module, improve the brightness to target area for starting infrared light filling LED and keep the original brightness in other regions；Judging that vehicle front road conditions have in the same direction or to when travelling to target vehicle, issue instructions to vehicular light control module when opening high beam, reduce target vehicle regional luminance for anti-dazzle, send real-time image information after process to image processing module；The target range signal received is calculated and analyzes by main control module, sends road conditions real time information and warning message to voice cue module；
Described vehicular light control module is for receiving the CAN signal of main control module, according to order-driven car light and infrared light filling LED operation；
Real-time image information, for receiving the real-time image information that main control module sends, is converted to analog video signal by described image processing module, and image processing module outlet side is connected with display, and display shows road conditions image and target range in real time；
Described voice cue module is for receiving road conditions real time information and the warning message of main control module, and the information received is played out.
Wherein: described main control module is when to digital image understanding, the obvious point of brightness flop in data image signal can also be marked out, and generate binary map, filtering noise signal and interference signal, finally obtain the real-time image information of the pedestrian of vehicle front road conditions, target vehicle and barrier again.
Described main control module is arranged on the instrument desk place of copilot station.
The intelligence DAS (Driver Assistant System) at night of the present invention, have employed image capture module, millimetre-wave radar, main control module, vehicular light control module and infrared light filling LED, road conditions image by the infrared camera Real-time Collection front part of vehicle in image capture module, and change into digital picture by picture processing chip and transmit to main control module, by main control module, the digital picture received is carried out Real time identification and go out the pedestrian of vehicle front road conditions, the image information of target vehicle and barrier, and image information is judged, in illumination at night deficiency situation, main control module sends instruction and makes vehicular light control module control, improve the brightness in comparison territory, area pellucida for starting car light and carry out light filling.Main control module of the present invention is when judging vehicle driving is constituted a threat to safely, issue instructions to the vehicular light control module infrared light filling LED of startup improve the brightness to target area and keep the original brightness in other regions, can therefore in the not good situations of lighting condition such as night, sleet haze, effectively improve infrared camera and gather image blurring deficiency night, by the light filling of target area, image quality and detection range can be improved, remind driver can see road conditions clearly and can accurately judge, reduce the weather environment impact on driver, the generation of minimizing accident.Invention main control module, when judging to front to have vehicle or opposed vehicle traveling in the same direction, when controlling to open high beam function, can control target vehicle relevant range luminance-reduction, it is achieved anti-glare function, make driver can accurately judge road conditions.Treated digital picture is passed and is shown by display in real time by the main control module of present invention intelligence at night DAS (Driver Assistant System), and by voice cue module real-time broadcasting traffic information, can make prompting in good time, report to the police.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 is the theory diagram of present invention intelligence at night DAS (Driver Assistant System).
Fig. 2 is the schematic diagram that there is pedestrian present invention intelligence at night DAS (Driver Assistant System) identification front portion.
Fig. 3 is the schematic diagram that there is target vehicle in the same direction present invention intelligence at night DAS (Driver Assistant System) identification front portion.
In figure: 1 image capture module, 2 millimetre-wave radars, 3 main control modules, 4 vehicular light control module, 5 image processing modules, 6 voice cue module, 7 car lights, 8 infrared light filling LED, 9 display, 10 pedestrians, 11 vehicles, 12 target vehicles.
Detailed description of the invention
As shown in Figure 1, the intelligence DAS (Driver Assistant System) at night of the present 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 cue module 6.The outlet side of this image capture module 1 and millimetre-wave radar 2 is connected with main control module 3 input side, and the outlet side of main control module 3 is connected with vehicular light control module 4, image processing module 5 and voice cue module 6, vehicular light control module 4 is connected with car light 7 and infrared light filling LED8, drives car light 7 and infrared light filling LED8 work.
As shown in Figure 1, the image capture module 1 of the present invention includes infrared camera and picture processing chip, infrared camera is arranged on vehicle 11 front windshield, the road conditions image of infrared camera Real-time Collection vehicle 11 front portion, and change into Digital Image Transmission to main control module 3 by picture processing chip, deliver to main control module 3 by the road conditions image such as the pedestrian 10 of infrared camera Real-time Collection vehicle 11 front portion, target vehicle 12 and some barriers that may affect traveling.The millimetre-wave radar 2 of the present invention is arranged on vehicle 11 top, for detecting the pedestrian 10 around vehicle 11, the target range between target vehicle 12 and barrier and vehicle 11 in real time, and the target range signal detected is transmitted to main control module 3, road conditions image and the barrier distance from this car is shown in real time by display 9 after main control module 3 processes, and voice cue module 6 real-time broadcasting traffic information, and make prompting in good time, report to the police.
As shown in Figure 1, the digital picture received is contrasted and analyzes by the main control module 3 of the present invention, Real time identification goes out the image information of the pedestrian 10 of vehicle 11 front road conditions, target vehicle 12 and barrier and judges, main control module 3 is arranged on the instrument desk place of copilot station.As shown in Figure 2, main control module 3 of the present invention is judging that illumination is not enough, issue instructions to vehicular light control module 4, improve the brightness in comparison territory, area pellucida for starting car light 7 and carry out light filling, when judging vehicle 11 traffic safety is constituted a threat to, issue instructions to vehicular light control module 4, the brightness to target area is improved for starting infrared light filling LED8, and keep the original brightness in other regions, therefore the present invention can at night and sleet, when the vile weathers such as haze travel, in illumination deficiency situation, send instruction by main control module 3 to make vehicular light control module 4 control infrared light filling LED8 to carry out light filling, infrared camera can be effectively improved and gather image blurring unclear situation because illumination at night is not enough, driver is made can anterior road conditions accurately to be judged, the generation of minimizing accident.As shown in Figure 3, main control module 3 of the present invention judge vehicle 11 front road conditions have in the same direction or to target vehicle 12 travel time, issue instructions to vehicular light control module 4 when opening high beam, reduce target vehicle 12 regional luminance for anti-dazzle, make driver can see anterior road conditions
Main control module 3 of the present invention is when to digital image understanding, the obvious point of brightness flop in data image signal can also be marked out, and generate binary map, filtering noise signal and interference signal, finally obtain the real-time image information of the pedestrian 10 of vehicle 11 front road conditions, target vehicle 12 and barrier again.The main control module 3 of the present invention merges artificial neural network, original image edge detection method and Kalman filter, the image pattern different in a large number by prior learning and export result accordingly, make artificial neural network algorithm when using this model, similar image can be identified gradually, the obvious point of brightness flop in digital picture is marked out by original image edge detection method, generate binary map, in the process, use Kalman filter, remove noise and interference signal, can be quickly by Kalman filter, " in real time " process digital picture, it is effectively improved the image processing speed in vehicle 11 motor process and saves internal memory.
As shown in Figure 1, the present invention sends the real-time image information after process to image processing module 5, image processing module 5 of the present invention is for receiving the real-time image information that main control module 3 sends, real-time image information is converted to analog video signal, image processing module 5 outlet side is connected with display 9, display 9 shows road conditions image and the barrier distance from this car in real time, and the display 9 of the present invention is installed on above console, facilitates driver to observe.
As shown in Figure 1, the target range signal received is calculated and analyzes by the main control module 3 of the present invention, road conditions real time information and warning message are sent to voice cue module 6, the real-time road condition information in reception main control module 3 of voice cue module 6 and warning message, and the real-time road condition information and warning message to receiving plays out, real-time reminding driver, sends warning to detecting nearer target range.
As shown in Figure 1, the vehicular light control module 4 of the present invention receives the CAN signal from main control module 3, work according to order-driven car light 7 and infrared light filling LED8, control car light 7 by vehicular light control module 4 and realize each function, make vehicular light control module 4 control infrared light filling LED8 according to main control module 3 simultaneously and open or close when illumination deficiency, carry out light filling, image quality and detection range can be improved.
Claims (3)
1. one kind night intelligence DAS (Driver Assistant System), it is characterised in that: include 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 (9) and voice cue module (6)；
Described image capture module (1) includes infrared camera and picture processing chip, infrared camera is arranged on vehicle (11) front windshield, the road conditions image that infrared camera Real-time Collection vehicle (11) is anterior, and change into Digital Image Transmission to main control module (3) by picture processing chip；
Described millimetre-wave radar (2) is arranged on vehicle (11) top, for detecting vehicle (11) pedestrian (10) around, the target range between target vehicle (12) and barrier and vehicle (11) in real time, and the target range signal detected is transmitted to main control module (3)；
The digital picture received is contrasted and analyzes by described main control module (3), Real time identification goes out the image information of the pedestrian (10) of vehicle (11) front road conditions, target vehicle (12) and barrier and judges, judging that illumination is not enough, issue instructions to vehicular light control module (4), be used for starting car light (7) and improve the brightness in comparison territory, area pellucida；When judging vehicle (11) traffic safety is constituted a threat to, issue instructions to vehicular light control module (4), be used for starting infrared light filling LED (8) and improve the brightness to target area and keep the original brightness in other regions；Judging that vehicle (11) front road conditions have in the same direction or to when travelling to target vehicle (12), issue instructions to vehicular light control module (4) when opening high beam, reduce target vehicle (12) regional luminance for anti-dazzle, real-time image information after process is sent to image processing module (5)；The target range signal received is calculated and analyzes by main control module (3), sends road conditions real time information and warning message to voice cue module (6)；
Described vehicular light control module (4) is used for receiving the CAN signal of main control module (3), works according to order-driven car light (7) and infrared light filling LED (8)；
Described image processing module (5) is used for receiving the real-time image information that main control module (3) sends, real-time image information is converted to analog video signal, image processing module (5) outlet side is connected with display (9), and display (9) is display road conditions image and target range in real time；
Described voice cue module (6) is used for receiving road conditions real time information and the warning message of main control module (3), and the information received is played out.
2. according to claim a kind night intelligence DAS (Driver Assistant System), it is characterized in that: described main control module (3) is when to digital image understanding, the obvious point of brightness flop in data image signal can also be marked out, and generate binary map, filtering noise signal and interference signal, finally obtain the real-time image information of the pedestrian (10) of vehicle (11) front road conditions, target vehicle (12) and barrier again.
3. according to claim a kind night intelligence DAS (Driver Assistant System), it is characterised in that: described main control module (3) is arranged on the instrument desk place of copilot station.
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| CN201610375935.7A CN105799574B (en) | 2016-05-31 | 2016-05-31 | Night intelligence DAS (Driver Assistant System) |
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| CN201610375935.7A CN105799574B (en) | 2016-05-31 | 2016-05-31 | Night intelligence DAS (Driver Assistant System) |
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| CN105799574B CN105799574B (en) | 2018-08-21 |
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Cited By (39)
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| CN106347204A (en) * | 2016-11-25 | 2017-01-25 | 王昱淇 | Vehicle headlamp control system |
| CN106494303A (en) * | 2016-10-13 | 2017-03-15 | 浙江亚太机电股份有限公司 | Vehicular multifunctional camera system |
| CN106585526A (en) * | 2016-12-07 | 2017-04-26 | 厦门大学 | Recognition device of objects in front of automobile and recognition method thereof |
| CN106585493A (en) * | 2017-02-14 | 2017-04-26 | 山东师范大学 | Automotive infrared high beam light system and realization method |
| CN106671881A (en) * | 2017-03-07 | 2017-05-17 | 苏州大学 | Automobile monitoring system |
| CN106864351A (en) * | 2017-01-17 | 2017-06-20 | 盐城师范学院 | A kind of vehicle at night traveling auxiliary lighting system based on computer vision |
| CN106864352A (en) * | 2017-04-13 | 2017-06-20 | 厦门盈趣汽车电子有限公司 | A kind of self adaptation headlight system of LED matrix |
| CN106993158A (en) * | 2017-04-07 | 2017-07-28 | 湖北大学 | A kind of active infrared night-viewing DAS (Driver Assistant System) based on image restoration |
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