WO2020064008A1 - 车辆的防炫目控制方法、系统及车辆 - Google Patents

车辆的防炫目控制方法、系统及车辆 Download PDF

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Publication number
WO2020064008A1
WO2020064008A1 PCT/CN2019/109468 CN2019109468W WO2020064008A1 WO 2020064008 A1 WO2020064008 A1 WO 2020064008A1 CN 2019109468 W CN2019109468 W CN 2019109468W WO 2020064008 A1 WO2020064008 A1 WO 2020064008A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
glare
target vehicle
area
road surface
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PCT/CN2019/109468
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English (en)
French (fr)
Inventor
安淑苗
李琦
肖静杰
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长城汽车股份有限公司
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Publication of WO2020064008A1 publication Critical patent/WO2020064008A1/zh

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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
    • 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
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/05—Special features for controlling or switching of the light beam
    • B60Q2300/056—Special anti-blinding beams, e.g. a standard beam is chopped or moved in order not to blind

Definitions

  • the present invention relates to the technical field of automobiles, and in particular, to an anti-glare control method and system for a vehicle, and a vehicle.
  • the anti-glare control for a vehicle is based on the recognition effect of a two-dimensional image and performs two-dimensional occlusion control.
  • problems as shown in FIG. 2 (a) and FIG. 2 (b), that is, the vehicle occlusion area. Too large or incomplete occlusion, unable to accurately achieve anti-glare control in the driver's area.
  • the road surface is bumpy, it may cause deviations in the anti-glare area, thereby failing to achieve the anti-glare purpose.
  • water accumulates on the road surface it may reflect the light and affect the driver's sight, posing a safety hazard.
  • the present invention aims to propose a glare-proof control method for a vehicle.
  • the anti-dazzle control method of the vehicle can prevent the blinding effect at all times when the road conditions are bad, thereby avoiding traffic accidents caused by the glare of the high beam of the vehicle and improving the safety of the vehicle during driving.
  • An anti-glare control method for a vehicle includes the following steps: acquiring an image of a target vehicle; detecting road surface information; and adjusting a headlight of a host vehicle to irradiate the road and / or the target according to the road surface information and / or the image of the target vehicle. Anti-glare area on the vehicle.
  • adjusting the headlights of the host vehicle to shine on the road surface and / or the anti-glare area on the target vehicle according to the road surface information and / or the image of the target vehicle includes: determining whether it is a bump according to the road surface information Road segment; if it is, the anti-glare area irradiated onto the target vehicle is correspondingly increased according to the image of the vehicle and the bump level of the bumpy road segment.
  • it further includes: when the bump level is less than a predetermined value, the size of the anti-glare region is not adjusted.
  • the step of adjusting the headlights of the host vehicle to the road surface and / or the anti-glare area on the target vehicle based on the road surface information and / or the image of the target vehicle includes: Water section; if it is, adjust the headlight of the host vehicle to the anti-glare area on the road in real time according to the position of the accumulated water, so that the anti-glare area covers the position of accumulated water.
  • the anti-glare regions are a plurality of anti-glare regions corresponding to the multiple positions of the standing water one by one, or the anti-glare regions can cover the Integral anti-glare area with multiple stagnant water locations.
  • the anti-dazzle control method of the vehicle of the present invention can provide anti-dazzle effects at all times when the road conditions are bad, thereby avoiding traffic accidents caused by dazzling high-beam lights of the vehicle and improving the safety of the vehicle during driving. Sex.
  • a second object of the present invention is to provide an anti-glare control system for a vehicle.
  • the system can prevent dazzling effects at all times when the road conditions are bad, thereby avoiding traffic accidents caused by dazzling high-beam lights of vehicles, and improving the safety of vehicles during driving.
  • An anti-glare control system for a vehicle includes: an acquisition module for acquiring an image of a target vehicle; a detection module for detecting road information; a control module for using the road information and / or an image of the target vehicle Adjust the headlights of the host vehicle to shine on the road and / or the anti-glare area on the target vehicle.
  • control module is configured to: determine whether it is a bumpy road segment according to the road surface information; if so, increase the protection against the target vehicle according to the image of the vehicle and the bumpy level of the bumpy road segment. Dazzling area.
  • control module is further configured to: when the bump level is less than a predetermined value, do not adjust the size of the anti-glare area.
  • control module is configured to: determine whether it is a stagnant road section according to the road surface information; if it is, adjust the headlight of the host vehicle to the anti-glare area on the road in real time according to the stagnant water position to The anti-glare area is covered with the water accumulation position.
  • the anti-glare control system of the vehicle has the same advantages as the above-mentioned anti-glare control method of the vehicle over the prior art, and is not repeated here.
  • a third object of the present invention is to provide a vehicle that can prevent dazzling effects at all times when the road conditions are bad, thereby avoiding traffic accidents caused by dazzling high-beam lights of vehicles, and improving vehicle presence Safety during driving.
  • a vehicle is provided with an anti-glare control system for a vehicle according to any one of the above embodiments.
  • the described vehicle has the same advantages as the aforementioned anti-glare control system of the vehicle over the prior art, and will not be repeated here.
  • the embodiment of the fourth aspect of the present application discloses a computer-readable storage medium on which an anti-glare control program for a vehicle is stored.
  • the anti-glare control program for the vehicle is executed by a processor, the above-mentioned first aspect is implemented.
  • Anti-glare control method for vehicles is implemented.
  • FIG. 1 is a flowchart of an anti-glare control method for a vehicle according to an embodiment of the present invention
  • FIG. 2 (a) is a schematic diagram of an anti-dazzling effect (the blocking area is too small) achieved by the related technology
  • FIG. 2 (b) is a schematic diagram of an anti-dazzling effect (the blocking area is too large) realized by the related technology
  • FIG. 3 (a) is a schematic diagram of an anti-glare area when three different types of vehicles are driving opposite to the host vehicle and are located in the left lane;
  • FIG. 3 (a) is a schematic diagram of an anti-glare area when three different types of vehicles are driving opposite to the host vehicle and are located in the left lane;
  • 3 (b) is a schematic diagram of an anti-glare area when three different types of vehicles are driving in the same direction relative to the host vehicle and are located in the right lane;
  • FIG. 4 (a) is a schematic diagram of the change of the anti-glare area when the target vehicle turns in the same direction;
  • FIG. 4 (b) is a schematic diagram of the change of the anti-glare area when the target vehicle turns in the opposite direction;
  • FIG. 5 is a schematic diagram of changes in an anti-glare area of a bumpy road section according to an embodiment
  • FIG. 6 is a schematic diagram of light distribution of a headlight in a rainy weather according to an embodiment
  • FIG. 7 (d) is a schematic diagram of anti-glare for the water accumulation point
  • FIG. 8 is a schematic diagram of anti-glare respectively for multiple water accumulation points
  • FIG. 9 is a schematic view of anti-glare through a unified anti-glare area for multiple water accumulation points
  • FIG. 10 is a structural block diagram of a vehicle anti-glare control system according to an embodiment of the present invention.
  • FIG. 1 is a flowchart of an anti-glare control method for a vehicle according to an embodiment of the present invention.
  • an anti-glare control system for a vehicle includes the following steps:
  • S101 Acquire an image of a target vehicle.
  • an image of the target vehicle may be collected by a camera mounted on the host vehicle, where the host vehicle refers to the host vehicle, and the target vehicle is, for example, a vehicle traveling in front of the host vehicle.
  • image recognition can also be performed based on the collected images to determine whether the road surface is bumpy or whether there is water on the road surface.
  • the road surface is bumpy, such as: cobblestone road, undulating road, round cake road, pothole road, etc., there will be vehicle bumps.
  • S103 Adjust the headlight of the host vehicle to shine on the road and / or the anti-glare area on the target vehicle according to the road surface information and / or the image of the target vehicle.
  • the high beam can be implemented by using a DMD (digital micro-reflector) or a pixel light. Therefore, it is possible to realize the prevention of a certain lighting area or several lighting areas. Dazzling.
  • DMD digital micro-reflector
  • the anti-glare realization is as follows:
  • the type of the target vehicle is identified based on the image of the target vehicle. That is, because the windows and exterior mirrors of different vehicles occupy different proportions in the vehicle height, after acquiring the image of the target vehicle, the vehicle is classified and determined by the vehicle recognition algorithm to determine the anti-glare area according to the different vehicle types. .
  • the headlight of the host vehicle is irradiated to the anti-glare area on the target vehicle.
  • adjusting the headlight of the host vehicle to the dazzling area on the target vehicle according to the type of the target vehicle includes: determining the proportion of the window of the target vehicle in the height of the target vehicle according to the type of the target vehicle, For example, the window of a car is about 2/3 of the height of a car, the window of a bus is about 1/3 of the height of a car, the window of a double-decker bus is about 1/5 of the height of a car, and the window of a truck is about The vehicle height is more than 2/3.
  • the specific proportion is calibrated according to the actual test. At the same time, a certain margin is considered to avoid dazzling due to bumps and other reasons, and the calibration result is stored in the vehicle.
  • the type of vehicle determines the proportion of window height in the vehicle height.
  • the headlights of the vehicle are pixel-type headlights.
  • the projected area is a circular area. Each small area in the circular area is controlled by a pixel in the headlight.
  • the principle is to control the pixel light of a small area or several small areas in the area illuminated by the pixel headlights to dim or extinguish, so as to achieve the purpose of preventing glare.
  • the headlight of the vehicle is a headlight using a DMD (Digital Micro Mirror), so that the purpose of anti-glare can be achieved.
  • DMD Digital Micro Mirror
  • the target vehicle After identifying the type of the target vehicle, it further includes, according to the image of the target vehicle, further identifying the window position of the target vehicle and the position of the exterior mirror; further adjusting the main position according to the position of the window of the target vehicle and the position of the exterior mirror.
  • the headlights of the vehicle shine on the anti-glare area on the target vehicle so that the anti-glare area corresponds to the window and the exterior mirror of the target vehicle.
  • the anti-glare area when three different types of vehicles such as pickups, trucks, and cars are driving opposite to the host vehicle and are located in the left lane is shown in black in Figure 3 (a), that is, the anti-glare area corresponds to the front window of the vehicle and Near the window of the host vehicle
  • the anti-glare area when three different types of vehicles are driving in the same direction relative to the host vehicle and are located in the right lane is shown in the black part in Figure 3 (b), that is, the anti-glare area corresponds to the vehicle Rear windows, windows and side mirrors near the side of the host vehicle.
  • trucks and pickup truck windows occupy a small proportion of the vehicle, so the anti-glare control method for a vehicle according to an embodiment of the present invention can achieve the smallest blind area.
  • the anti-glare control method of the vehicle further includes: acquiring a running attitude of the target vehicle; and further adjusting the headlight of the host vehicle to the anti-glare area on the target vehicle according to the running attitude of the target vehicle.
  • a position where the headlight of the host vehicle is irradiated on the target vehicle is determined according to the driving posture of the target vehicle; a position where the target vehicle is required to be anti-glare is determined based on the position where the headlight of the host vehicle is radiated on the target vehicle. And the target exterior rearview mirror; adjusting the headlight of the host vehicle to irradiate the anti-glare area on the target vehicle so that the anti-glare area corresponds to the target window and the target exterior rearview mirror.
  • the target vehicle has a variety of driving attitudes, such as driving in the same direction, driving in the opposite direction, overtaking, changing lanes, and turning the vehicle.
  • the target vehicle's driving attitude is different, and the position of the target vehicle's headlights on the target vehicle will also be different.
  • Different positions of the target vehicle correspond to different windows and exterior mirrors, that is, anti-glare areas. Therefore, the target vehicle is different.
  • the headlights of the host vehicle need to be adjusted so that the anti-glare area corresponds to the target window and the target exterior mirror.
  • adjusting the headlight of the host vehicle to the anti-glare area on the target vehicle in real time according to the driving state of the target vehicle including: if the driving state of the target vehicle is driving in a curve, according to The light-affected area is repositioned by changing the traveling direction of the target vehicle; the headlights of the host vehicle are irradiated to the anti-glare area on the target vehicle according to the relocated light-affected area.
  • relocating the light-affected area according to a change in the driving direction of the target vehicle includes: if the target vehicle is driving opposite to the host vehicle, the light-affected area is determined by the front windshield of the target vehicle and the vicinity of the target vehicle; The side window on the side of the host vehicle gradually changes to the front windshield of the target vehicle; if the target vehicle is driving in the same direction as the host vehicle, the light affected area is gradually changed by the rear windshield and outer mirror of the target vehicle. Changing to a rear windshield of the target vehicle, a side window near the host vehicle side, and an exterior rear view mirror near the host vehicle side.
  • FIG. 4 (a) it is a schematic diagram of the change of the anti-glare area when the target vehicle turns in the same direction.
  • the target vehicle has not turned, it is in the same direction as the host vehicle and is driving in front of the host vehicle.
  • the position where the host vehicle irradiates the target vehicle is its rear window and its exterior rearview mirror. Therefore, at this time, adjust the headlight of the host vehicle so that the anti-glare area corresponds to the rear window and exterior rearview mirror of the target vehicle;
  • the position where the host vehicle shines on the target vehicle is its rear window, the window near the host vehicle, and the exterior rearview mirror.
  • the headlight of the host vehicle to make the anti-glare area correspond to the target.
  • the rear window of the vehicle, the window near the host vehicle, and the exterior rearview mirror the change of the anti-glare area is a two- to three-dimensional change process.
  • Figure 4 (b) it shows the change of the anti-glare area when the target vehicle turns in the opposite direction.
  • the host vehicle may not be able to illuminate the target vehicle or only the front window of the target vehicle. Adjust the headlights of the host vehicle so that the anti-glare area corresponds to the front window of the target vehicle; when the target vehicle turns, the position where the host vehicle shines on the target vehicle is its front window and the window near the host vehicle. Adjust the headlights of the host vehicle so that the anti-glare area corresponds to the front window of the target vehicle and the window near the host vehicle.
  • the anti-glare area has undergone a process from two-dimensional to three-dimensional, and then becomes two-dimensional until it gradually disappears.
  • the vehicle of the embodiment of the present invention has an anti-glare function. Therefore, adjusting the headlight of the host vehicle to the anti-glare area on the road and / or the target vehicle according to the road surface information and / or the image of the target vehicle includes:
  • the road surface information determines whether it is a bumpy road segment; if so, according to the image of the vehicle and the bump level of the bumpy road segment, the anti-glare area irradiated onto the target vehicle is correspondingly increased.
  • it further comprises: when the bump level is less than a predetermined value, the size of the anti-glare area is not adjusted.
  • the angle of the bumpy road can be determined by the suspension height sensor; when the same or opposite vehicle passes the bumpy road, By judging the level of bumpy roads, the bumps of the vehicle can be compared by the corresponding relationship between the anti-glare area of the vehicle and the image collected by the camera. ),
  • the anti-dazzle area is increased by increasing the amount of the anti-dazzle area. For example, if it is increased by 0.1 ° (can be calibrated), the anti-dazzle area can be increased.
  • the anti-dazzle area is increased, If you still cannot meet the needs of bumpy roads, you need to adjust the entire anti-glare area up and down. If you do not need to adjust the anti-glare area within the margin of the set area, you can avoid the disturbance caused by the unresponsiveness and the up-and-down fluctuation of the anti-glare area.
  • adjusting the headlights of the host vehicle to the road surface and / or the anti-glare area on the target vehicle according to the road surface information and / or the image of the target vehicle includes: determining whether it is a waterlogged road section according to the road surface information; If so, the anti-glare area on the road surface irradiated by the headlights of the host vehicle is adjusted in real time according to the position of the accumulated water, so that the anti-glare area covers the position of accumulated water.
  • the anti-glare regions are a plurality of anti-glare regions corresponding to the plurality of water accumulation positions one by one, or the anti-glare regions can cover the Integral anti-glare area with multiple stagnant water locations.
  • the adaptive mechanism adjustment method was used to achieve the water on the road.
  • the water on the road detected by the camera must correspond to the lights.
  • closing the corresponding area can achieve anti-glare effect, without affecting other brightness, and avoid the situation that the overall near-field illumination is insufficient.
  • the weather conditions are determined by the amount of rain or other sensors. If it is rainy, the light distribution output is performed according to the light distribution standard of the rainy day lighting mode defined by ECE123.
  • the detected anti-glare regions are masked separately.
  • the overall angle shielding scheme can be adopted to achieve the effect similar to the traditional mechanical adjustment adaptive scheme.
  • the anti-dazzle control method of the vehicle of the present invention can provide anti-dazzle effects at all times when the road conditions are bad, thereby avoiding traffic accidents caused by dazzling high-beam lights of the vehicle and improving the safety of the vehicle during driving. Sex.
  • FIG. 10 is a structural block diagram of an anti-glare control system of a vehicle according to an embodiment of the present invention.
  • an anti-glare control system 100 for a vehicle according to an embodiment of the present invention includes: an acquisition module 110, a detection module 120, and a control module 130.
  • the obtaining module 110 is configured to obtain an image of a target vehicle.
  • the detection module 120 is configured to detect road information.
  • the control module 130 is configured to adjust the headlights of the host vehicle to be irradiated onto the road surface and / or the anti-glare area on the target vehicle according to the road surface information and / or the image of the target vehicle.
  • control module 130 is configured to: determine whether it is a bumpy road segment according to the road surface information; if it is, increase the bump level of the bumpy road segment correspondingly according to the image of the vehicle Shine to the dazzling area on the target vehicle.
  • control module 130 is further configured to: when the bump level is less than a predetermined value, do not adjust the size of the anti-glare area.
  • control module 130 is configured to: determine whether it is a waterlogged road section according to the road surface information; if so, adjust the headlight of the host vehicle to irradiate the road in real time according to the waterlogged location The anti-glare area so that the anti-glare area covers the stagnant water position.
  • the anti-dazzle control system of the vehicle of the present invention can prevent the blinding effect at all times when the road conditions are bad, thereby avoiding traffic accidents caused by the dazzling high-beam lights of the vehicle and improving the safety of the vehicle during driving. Sex.
  • an embodiment of the present invention discloses a vehicle provided with an anti-glare control system of the vehicle as in any of the above embodiments.
  • the vehicle can prevent dazzling effects at all times when the road conditions are bad, so as to avoid traffic accidents caused by dazzling high-beam lights of the vehicle and improve the safety of the vehicle during driving.
  • an embodiment of the present application discloses a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the anti-glare control method for a vehicle according to any one of the foregoing embodiments is implemented. .
  • any process or method description in the flowchart or otherwise described herein can be understood as indicating that it includes one or more steps for implementing a specific logical function or process Module, fragment or part of the code of an executable instruction, and the scope of the preferred embodiment of the present application includes additional implementations, which may not be in the order shown or discussed, including in a substantially simultaneous manner according to the functions involved Or perform the functions in the reverse order, which should be understood by those skilled in the art to which the embodiments of the present application belong.
  • Logic and / or steps represented in a flowchart or otherwise described herein, for example, a sequenced list of executable instructions that may be considered to implement a logical function, may be embodied in any computer-readable medium, For use by, or in combination with, an instruction execution system, device, or device (such as a computer-based system, a system that includes a processor, or another system that can fetch and execute instructions from an instruction execution system, device, or device) Or equipment.
  • a "computer-readable medium” may be any device that can contain, store, communicate, propagate, or transmit a program for use by or in connection with an instruction execution system, apparatus, or device.
  • computer-readable media include the following: electrical connections (electronic devices) with one or more wirings, portable computer disk cartridges (magnetic devices), random access memory (RAM), Read-only memory (ROM), erasable and editable read-only memory (EPROM or flash memory), fiber optic devices, and portable optical disk read-only memory (CDROM).
  • the computer-readable medium may even be paper or other suitable medium on which the program can be printed, because, for example, by optically scanning the paper or other medium, followed by editing, interpretation, or other suitable Processing to obtain the program electronically and then store it in computer memory.

Abstract

一种车辆的防炫目控制方法、系统（100）及车辆。其中，车辆的防炫目控制方法，包括以下步骤：获取目标车辆的图像；检测路面信息；根据所述路面信息和/或所述目标车辆的图像调整主车辆的大灯照射至路面和/或目标车辆上的防炫目区域。所述车辆的防炫目控制方法，可以在路面情况不好的情况下，也能够时刻起到防炫目效果，从而，避免因车辆远光灯炫目而造成交通事故，提高车辆在行驶过程中的安全性。

Description

车辆的防炫目控制方法、系统及车辆
相关申请的交叉引用
本申请要求长城汽车股份有限公司于2018年09月30日提交的、发明名称为“车辆的防炫目控制方法、系统及车辆”的、中国专利申请号为“201811160677.6”的优先权。
技术领域
本发明涉及汽车技术领域，特别涉及一种车辆的防炫目控制方法、系统及车辆。
背景技术
随着汽车数量的急剧增加，行车安全变得越来越重要。通常，国内驾驶员习惯长期开启远光灯，但是这样很容易造成对方驾驶员或路上行人炫目，从而发生交通事故。
相关技术中，针对车辆的防炫目控制只是基于二维图像的识别效果，进行二维平面的遮挡控制，但是存在的问题如图2(a)和图2(b)所示，即车辆遮挡区域过大或遮挡不全，无法精准的实现驾驶员区域的防炫目控制。另外，当路面颠簸时，可能造成防炫目区域存在偏差，从而达不到防炫目的目的，还有，当路面存在积水时，可能反光而影响驾驶员视线，存在安全隐患。
发明内容
有鉴于此，本发明旨在提出一种车辆的防炫目控制方法。该车辆的防炫目控制方法可以路面情况不好的情况下，也能够时刻起到防炫目效果，从而，避免因车辆远光灯炫目而造成交通事故，提高车辆在行驶过程中的安全性。
为达到上述目的，本发明的技术方案是这样实现的：
一种车辆的防炫目控制方法，包括以下步骤：获取目标车辆的图像；检测路面信息；根据所述路面信息和/或所述目标车辆的图像调整主车辆的大灯照射至路面和/或目标车辆上的防炫目区域。
进一步的，所述根据所述路面信息和/或所述目标车辆的图像调整主车辆的大灯照射至路面和/或目标车辆上的防炫目区域，包括：根据所述路面信息确定是否为颠簸路段；如果是，则根据所述车辆的图像和所述颠簸路段的颠簸等级对应地增大照射至目标车辆上的防炫目区域。
进一步的，还包括：当所述颠簸等级小于预定值时，不对所述防炫目区域的大小进行调整。
进一步的，所述根据所述路面信息和/或所述目标车辆的图像调整主车辆的大灯照射至路面和/或目标车辆上的防炫目区域，包括：根据所述路面信息确定是否为积水路段；如果是，则根据所述积水位置实时地调整主车辆的大灯照射至路面上的防炫目区域，以使所述防眩区域覆盖积水位置。
进一步的，当所述积水位置为多个时，所述防炫目区域为一一对应于所述多个积水位置的多个防炫目区域，或者，所述防炫目区域为可覆盖所述多个积水位置的一体的防炫目区域。
本发明的车辆的防炫目控制方法，可以路面情况不好的情况下，也能够时刻起到防炫目效果，从而，避免因车辆远光灯炫目而造成交通事故，提高车辆在行驶过程中的安全性。
本发明的第二个目的在于提出一种车辆的防炫目控制系统。该系统可以路面情况不好的情况下，也能够时刻起到防炫目效果，从而，避免因车辆远光灯炫目而造成交通事故，提高车辆在行驶过程中的安全性。
为达到上述目的，本发明的技术方案是这样实现的：
一种车辆的防炫目控制系统，包括：获取模块，用于获取目标车辆的图像；检测模块，用于检测路面信息；控制模块，用于根据所述路面信息和/或所述目标车辆的图像调整主车辆的大灯照射至路面和/或目标车辆上的防炫目区域。
进一步的，所述控制模块用于：根据所述路面信息确定是否为颠簸路段；如果是，则根据所述车辆的图像和所述颠簸路段的颠簸等级对应地增大照射至目标车辆上的防炫目区域。
进一步的，所述控制模块还用于：当所述颠簸等级小于预定值时，不对所述防炫目区域的大小进行调整。
进一步的，所述控制模块用于：根据所述路面信息确定是否为积水路段；如果是，则根据所述积水位置实时地调整主车辆的大灯照射至路面上的防炫目区域，以使所述防眩区域覆盖积水位置。
所述的车辆的防炫目控制系统与上述的车辆的防炫目控制方法相对于现有技术所具有的优势相同，在此不再赘述。
本发明的第三个目的在于提出一种车辆，该车辆可以路面情况不好的情况下，也能够时刻起到防炫目效果，从而，避免因车辆远光灯炫目而造成交通事故，提高车辆在行驶过程中的安全性。
为达到上述目的，本发明的技术方案是这样实现的：
一种车辆，设置有如上述任意一个实施例所述的车辆的防炫目控制系统。
所述的车辆与上述的车辆的防炫目控制系统相对于现有技术所具有的优势相同，在此不再赘述。
本申请的第四方面的实施例公开了一种计算机可读存储介质，其上存储有车辆的防炫目控制程序，该车辆的防炫目控制程序被处理器执行时实现上述第一方面所述的车辆的防炫目控制方法。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
构成本发明的一部分的附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1为本发明一个实施例所述的车辆的防炫目控制方法的流程图；
图2(a)为相关技术实现的防炫目效果(遮挡区域过小)示意图；
图2(b)为相关技术实现的防炫目效果(遮挡区域过大)示意图；
图3(a)为三种不同类型的车辆相对主车辆对向行驶且位于左车道时的防炫目区域示意图；
图3(b)为三种不同类型的车辆相对于主车辆同向行驶且位于右车道时的防炫目区域示意图；
图4(a)为目标车辆同向转弯时的防炫目区域变化示意图；
图4(b)为目标车辆对向转弯时的防炫目区域变化示意图；
图5为一个实施例的颠簸路段的防炫目区域变化示意图；
图6为一个实施例的阴雨天气下大灯配光示意图；
图7(a)-图7(c)为检测积水的示意图；
图7(d)为针对积水点进行防炫目的示意图；
图8是针对多个积水点分别进行防炫目的示意图；
图9是针对多个积水点通过统一防炫目区域进行防炫目的示意图；
图10为本发明一个实施例所述的车辆的防炫目控制系统的结构框图。
具体实施方式
需要说明的是，在不冲突的情况下，本发明中的实施例及实施例中的特征可以相互组合。
下面将参考附图并结合实施例来详细说明本发明。
图1是根据本发明一个实施例的车辆的防炫目控制方法的流程图。
如图1所示，根据本发明一个实施例的车辆的防炫目控制系统，包括如下步骤：
S101：获取目标车辆的图像。
在具体示例中，可以通过安装在主车辆上的摄像头采集目标车辆的图像，其中，主车辆指本车辆，目标车辆例如为主车辆前方行驶的车辆。
S102：检测路面信息。
例如：检测路面是否存在颠簸、路面是否有积水等。可以通过相应的传感器检测得到，当然，也可以根据采集到的图像，进行图像识别，从而确定路面是否存在颠簸、路面是否有积水等情况。
其中路面是否颠簸，例如：鹅卵石路、起伏路、圆饼路、坑洼路等，都会存在车辆颠簸。
S103：根据路面信息和/或目标车辆的图像调整主车辆的大灯照射至路面和/或目标车辆上的防炫目区域。
需要说明的是，主车辆在开启远光灯的时候，该远光灯可采用DMD(数字化微型反光镜)或者像素灯实现，因此，可实现局部某一个照明区域或某几个照明区域的防炫目。
具体地说，防炫目的实现如下：
根据目标车辆的图像识别目标车辆的类型。即：由于不同车辆的车窗及外后视镜在车辆高度中占据比例不同，在获取到目标车辆的图像后，通过车辆识别算法对车辆进行分类判定，以根据不同的车辆类型确定防炫目区域。
根据目标车辆的类型调整主车辆的大灯照射至目标车辆上的防炫目区域。在具体的示例中，根据目标车辆的类型调整主车辆的大灯照射至目标车辆上的防炫目区域，包括：根据目标车辆的类型确定目标车辆的车窗在目标车辆的高度中的占据比例，例如轿车车窗约在车高的2/3以上，公交车车窗约在车高的1/3以上，双层公交车的车窗约在车高的1/5以上，卡车车窗约在车高的2/3以上，具体的比例根据实际测试进行标定，同时考虑一定的余量，避免因为颠簸等原因而造成炫目，并将标定的结果储存在车辆中，这样，就可以根据识别到的车辆类型确定车窗在车辆高度中的占据比例。
根据目标车辆的车窗在目标车辆的高度中的占据比例调整主车辆的大灯照射至目标车辆上的防炫目区域，以使所述防炫目区域覆盖所述目标车辆的车窗和外后视镜。
需要说明的是，车辆的大灯为像素式大灯，其投射的区域是一个圆形区域，圆形区域中的每一个小区域都是由大灯里的一个像素控制的，防炫目控制的原理是通过控制像素大灯照射区域内的某一个小区域或者几个小区域的像素光线变暗或者熄灭，达到防炫目的目的。
或者，车辆的大灯为采用DMD(数字化微型反光镜)的大灯，从而可以达到防炫目的目的。
在识别出目标车辆的类型之后，还包括，根据目标车辆的图像，进一步识别目标车辆的车窗位置及外后视镜位置；根据目标车辆的车窗位置及外后视镜位置，进一步调整主车辆的大灯照射至目标车辆上的防炫目区域，以使防炫目区域对应于目标车辆的车窗和外后视镜。
三种不同类型的车辆例如皮卡、货车及轿车相对主车辆对向行驶且位于左车道时的防炫目区域如图3(a)中的黑色部分，即防炫目区域对应于车辆的前方车窗和靠近主车辆一侧的车窗，三种不同类型的车辆相对于主车辆同向行驶且位于右车道时的防炫目区域如图3(b)中的黑色部分，即防炫目区域对应于车辆的后方车窗和靠近主车辆一侧的车窗及外后视镜。由图可见，货车及皮卡车车窗占据车辆的比例较小，所以根据本发明实施例的车辆的防炫目控制方法可以实现最小的盲区。
在具体的示例中，车辆的防炫目控制方法还包括：获取目标车辆的行驶姿态；根据目标车辆的行驶姿态，进一步调整所述主车辆的大灯照射至所述目标车辆上的防炫目区域。
进一步地，根据目标车辆的行驶姿态，确定主车辆的大灯照射到目标车辆上的位置；根据主车辆的大灯照射到目标车辆上的位置，确定需要对目标车辆进行防炫目的目标车窗和目标外后视镜；调整主车辆的大灯照射至所述目标车辆上的防炫目区域，以使防炫目区域对应于目标车窗和目标外后视镜。
具体来说，目标车辆的行驶姿态包括很多种，例如同向行驶、对向行驶、超车、变道及车辆转弯等。目标车辆的行驶姿态不同，主车辆的大灯照射到目标车辆的位置也会不同，目标车辆的不同位置对应着不同的车窗和外后视镜，即防炫目区域，因此，对于目标车辆不同的行驶姿态，需要对主车辆的大灯进行调整以使防炫目区域对应于目标车窗和目标外后视镜。
以目标车辆转弯为例，根据目标车辆的行驶状态实时地调整主车辆的大灯照射至所述目标车辆上的防炫目区域，包括：如果所述目标车辆的行驶状态为弯道行驶，则根据所述目标车辆的行驶方向的变化而重新定位光线影响区域；根据重新定位的光线影响区域调整主车辆的大灯照射至所述目标车辆上的防炫目区域。
在上述示例中，根据所述目标车辆的行驶方向的变化而重新定位光线影响区域，包括：如果目标车辆与主车辆相向行驶，则光线影响区域由所述目标车辆的前风挡玻璃和临近所述主车辆一侧的侧窗，逐渐变化至所述目标车辆的前风挡玻璃；如果目标车辆与主车辆同向行驶，则光线影响区域由所述目标车辆的后风挡玻璃和外后视镜，逐渐变化至所述目标车辆的后风挡玻璃、临近所述主车辆一侧的侧窗以及临近所述主车辆一侧的外后视镜。
作为一个具体的示例，如图4(a)所示，为目标车辆同向转弯时的防炫目区域变化示意图，当目标车辆还没转弯，与主车辆同一个方向且在主车辆的前方行驶时，主车辆照射到目标车辆的位置为其后方车窗及其外后视镜，因此，此时调整主车辆的大灯使防炫目区域对应于目标车辆的后方车窗及外后视镜；当目标车辆转弯时，主车辆照射到目标车辆的位置为其后方车窗和靠近主车辆一侧的车窗及外后视镜，因此，此时调整主车辆的大灯使防炫目区域对应于目标车辆的后方车窗和靠近主车辆一侧的车窗及外后视镜，如图4(a)所示，防炫目区域的变化是一个从二维到三维的变化过程。
如图4(b)所示，为目标车辆对向转弯时的防炫目区域变化示意图，在目标车辆转弯前，主车辆可能无法照射到目标车辆或者只照射到目标车辆的前方车窗，这时调整主车辆的大灯使防炫目区域对应于目标车辆的前方车窗；当目标车辆转弯时，主车辆照射到目标车辆的位置为其前方车窗和靠近主车辆一侧的车窗，这时调整主车辆的大灯使防炫目区域对应于目标车辆的前方车窗和靠近主车辆一侧的车窗。如图4(b)所示，防炫目区域经历了从二维到三维的过程，然后变成二维，直到逐渐消失。
本发明实施例的车辆具有防炫目功能，因此，根据所述路面信息和/或所述目标车辆的图像调整主车辆的大灯照射至路面和/或目标车辆上的防炫目区域，包括：根据所述路面信息确定是否为颠簸路段；如果是，则根据所述车辆的图像和所述颠簸路段的颠簸等级对应地增大照射至目标车辆上的防炫目区域。
进一步地，还包括：当所述颠簸等级小于预定值时，不对所述防炫目区域的大小进行调整。
作为一个具体的示例，如图5所示，考虑不平整路面防炫目控制，本车经过颠簸路面，可通过悬架高度传感器判定经过颠簸路面的角度；同向或对向车辆经过颠簸路面时，通过判定颠簸路面等级，本车颠簸可通过车辆本身的防炫目区域与摄像头采集图像的对应关系进行对比，如果颠簸后防炫目区域超出预先设定的区域的余量(假设为0.1°可进行标定)，则通过防炫目区域余量增大方式实现防炫目，如增大0.1°(可进行标定)，可满足颠簸路面需求则可采用防炫目区域增大的方式，如果防炫目区域增大后仍不能满足颠簸路面需求则需要对防炫目区域进行整体上下调整，如果在设定区域的余量以内不需要对防炫目区域进 行调整，避免反应不及时反而造成炫目以及防炫目区域上下波动的干扰
另外，根据所述路面信息和/或所述目标车辆的图像调整主车辆的大灯照射至路面和/或目标车辆上的防炫目区域，包括：根据所述路面信息确定是否为积水路段；如果是，则根据所述积水位置实时地调整主车辆的大灯照射至路面上的防炫目区域，以使所述防眩区域覆盖积水位置。
进一步地，当所述积水位置为多个时，所述防炫目区域为一一对应于所述多个积水位置的多个防炫目区域，或者，所述防炫目区域为可覆盖所述多个积水位置的一体的防炫目区域。
具体地说，考虑阴雨天气及地面有积水的防炫目控制，以前针对积水路面多采用自适应机构调节方式实现，应用像素式车灯只需要将摄像头检测到的积水路面与车灯相应像素对应，关闭相应区域就可以实现防炫目效果，同时不影响其它亮度，避免整体上调对近场照明不足的情况。
针对阴雨天气，如图6所示，通过雨量或其它传感器判定天气情况，如为阴雨天气则根据ECE123定义的阴雨天照明模式配光标准进行配光输出。
在非阴雨天气，地面有小面积积水，如图7(a)至图7(d)所示，通过摄像头采集图像与车灯照射图像的像素对应关系，或通过摄像头或雷达输出的积水路面的方向、角度及距离，对积水相对应位置进行防炫目控制，防炫目控制区域不限定为矩形，遮挡区域设定一定余量例如0.1°。针对多处积水路面实现防炫目示例如下：
如图8所示，针对检测到的防炫目区域分别进行遮蔽。
当然，也可如图9所示，当探测积水区域较多时(＞1/2地面照明区域-具体可根据实际进行标定)可采取整体角度遮蔽方案实现类似传统机械调整自适应方案实现效果。
本发明的车辆的防炫目控制方法，可以路面情况不好的情况下，也能够时刻起到防炫目效果，从而，避免因车辆远光灯炫目而造成交通事故，提高车辆在行驶过程中的安全性。
图10为根据本发明一个实施例的车辆的防炫目控制系统的结构框图。如图10所示，根据本发明一个实施例的车辆的防炫目控制系统100，包括：获取模块110、检测模块120和控制模块130。
其中，获取模块110用于获取目标车辆的图像。检测模块120用于检测路面信息。控制模块130用于根据所述路面信息和/或所述目标车辆的图像调整主车辆的大灯照射至路面和/或目标车辆上的防炫目区域。
在本发明的一个实施例中，所述控制模块130用于：根据所述路面信息确定是否为颠簸路段；如果是，则根据所述车辆的图像和所述颠簸路段的颠簸等级对应地增大照射至目 标车辆上的防炫目区域。
在本发明的一个实施例中，所述控制模块130还用于：当所述颠簸等级小于预定值时，不对所述防炫目区域的大小进行调整。
在本发明的一个实施例中，所述控制模块130用于：根据所述路面信息确定是否为积水路段；如果是，则根据所述积水位置实时地调整主车辆的大灯照射至路面上的防炫目区域，以使所述防眩区域覆盖积水位置。
本发明的车辆的防炫目控制系统，可以路面情况不好的情况下，也能够时刻起到防炫目效果，从而，避免因车辆远光灯炫目而造成交通事故，提高车辆在行驶过程中的安全性。
需要说明的是，本发明实施例的车辆的防炫目控制系统的具体实现方式与本发明实施例的车辆的防炫目控制方法的具体实现方式类似，具体请参见方法部分的描述，为了减少冗余，此处不做赘述。
进一步地，本发明的实施例公开了一种车辆，设置有如上述任意一个实施例中的车辆的防炫目控制系统。该车辆可以路面情况不好的情况下，也能够时刻起到防炫目效果，从而，避免因车辆远光灯炫目而造成交通事故，提高车辆在行驶过程中的安全性。
另外，根据本发明实施例的车辆的其它构成以及作用对于本领域的普通技术人员而言都是已知的，为了减少冗余，此处不做赘述。
进一步地，本申请的实施例公开了一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现根据上述任意一个实施例所述的车辆的防炫目控制方法。
需要说明的是，在本说明书的描述中，流程图中或在此以其他方式描述的任何过程或方法描述可以被理解为，表示包括一个或更多的用于实现特定逻辑功能或过程的步骤的可执行指令的代码的模块、片段或部分，并且本申请的优选实施方式的范围包括另外的实现，其中可以不按所示出或讨论的顺序，包括根据所涉及的功能按基本同时的方式或按相反的顺序，来执行功能，这应被本申请的实施例所属技术领域的技术人员所理解。
在流程图中表示或在此以其他方式描述的逻辑和/或步骤，例如，可以被认为是用于实现逻辑功能的可执行指令的定序列表，可以具体实现在任何计算机可读介质中，以供指令执行系统、装置或设备(如基于计算机的系统、包括处理器的系统或其他可以从指令执行系统、装置或设备取指令并执行指令的系统)使用，或结合这些指令执行系统、装置或设备而使用。就本说明书而言，"计算机可读介质"可以是任何可以包含、存储、通信、传播或传输程序以供指令执行系统、装置或设备或结合这些指令执行系统、装置或设备而使用的装置。计算机可读介质的更具体的示例(非穷尽性列表)包括以下：具有一个或多个布 线的电连接部(电子装置)，便携式计算机盘盒(磁装置)，随机存取存储器(RAM)，只读存储器(ROM)，可擦除可编辑只读存储器(EPROM或闪速存储器)，光纤装置，以及便携式光盘只读存储器(CDROM)。另外，计算机可读介质甚至可以是可在其上打印所述程序的纸或其他合适的介质，因为可以例如通过对纸或其他介质进行光学扫描，接着进行编辑、解译或必要时以其他合适方式进行处理来以电子方式获得所述程序，然后将其存储在计算机存储器中。
本技术领域的普通技术人员可以理解实现上述实施例的方法携带的全部或部分步骤是可以通过程序来指令相关的硬件完成，所述的程序可以存储于一种计算机可读存储介质中，该程序在执行时，包括方法实施例的步骤之一或其组合。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不是必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本申请的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本申请的限制，本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (10)

  1. 一种车辆的防炫目控制方法，其特征在于，包括以下步骤：
    获取目标车辆的图像；
    检测路面信息；
    根据所述路面信息和/或所述目标车辆的图像调整主车辆的大灯照射至路面和/或目标车辆上的防炫目区域。
  2. 根据权利要求1所述的车辆的防炫目控制方法，其特征在于，所述根据所述路面信息和/或所述目标车辆的图像调整主车辆的大灯照射至路面和/或目标车辆上的防炫目区域，包括：
    根据所述路面信息确定是否为颠簸路段；
    如果是，则根据所述车辆的图像和所述颠簸路段的颠簸等级对应地增大照射至目标车辆上的防炫目区域。
  3. 根据权利要求2所述的车辆的防炫目控制方法，其特征在于，还包括：
    当所述颠簸等级小于预定值时，不对所述防炫目区域的大小进行调整。
  4. 根据权利要求1所述的车辆的防炫目控制方法，其特征在于，所述根据所述路面信息和/或所述目标车辆的图像调整主车辆的大灯照射至路面和/或目标车辆上的防炫目区域，包括：
    根据所述路面信息确定是否为积水路段；
    如果是，则根据所述积水位置实时地调整主车辆的大灯照射至路面上的防炫目区域，以使所述防眩区域覆盖积水位置。
  5. 根据权利要求4所述的车辆的防炫目控制方法，其特征在于，当所述积水位置为多个时，所述防炫目区域为一一对应于所述多个积水位置的多个防炫目区域，或者，所述防炫目区域为可覆盖所述多个积水位置的一体的防炫目区域。
  6. 一种车辆的防炫目控制系统，其特征在于，包括：
    获取模块，用于获取目标车辆的图像；
    检测模块，用于检测路面信息；
    控制模块，用于根据所述路面信息和/或所述目标车辆的图像调整主车辆的大灯照射至路面和/或目标车辆上的防炫目区域。
  7. 根据权利要求6所述的车辆的防炫目控制系统，其特征在于，所述控制模块用于：
    根据所述路面信息确定是否为颠簸路段；
    如果是，则根据所述车辆的图像和所述颠簸路段的颠簸等级对应地增大照射至目标车 辆上的防炫目区域。
  8. 根据权利要求7所述的车辆的防炫目控制系统，其特征在于，所述控制模块还用于：
    当所述颠簸等级小于预定值时，不对所述防炫目区域的大小进行调整。
  9. 根据权利要求6所述的车辆的防炫目控制系统，其特征在于，所述控制模块用于：
    根据所述路面信息确定是否为积水路段；
    如果是，则根据所述积水位置实时地调整主车辆的大灯照射至路面上的防炫目区域，以使所述防眩区域覆盖积水位置。
  10. 一种车辆，其特征在于，设置有如权利要求6-9任一项所述的车辆的防炫目控制系统。
PCT/CN2019/109468 2018-09-30 2019-09-30 车辆的防炫目控制方法、系统及车辆 WO2020064008A1 (zh)

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