CN110962734B - Anti-dazzling control method and system for vehicle and vehicle - Google Patents
Anti-dazzling control method and system for vehicle and vehicle Download PDFInfo
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- CN110962734B CN110962734B CN201811158862.1A CN201811158862A CN110962734B CN 110962734 B CN110962734 B CN 110962734B CN 201811158862 A CN201811158862 A CN 201811158862A CN 110962734 B CN110962734 B CN 110962734B
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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
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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
- 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
Abstract
The invention provides an anti-dazzling control method and system for a vehicle and the vehicle. The anti-dazzling control method of the vehicle comprises the following steps: detecting a distance of the target vehicle from the host vehicle; and adjusting the illuminance value of the anti-dazzling area in real time according to the distance, wherein the illuminance value of the anti-dazzling area is increased along with the increase of the distance, and the anti-dazzling area is an anti-dazzling area irradiated to the target vehicle by the headlamp of the main vehicle. The anti-dazzling control method for the vehicle can adjust the illuminance value of the anti-dazzling area in real time according to the distance between the target vehicle and the host vehicle, effectively avoids dazzling, improves driving safety, can adjust the anti-dazzling area in real time only according to the vehicle distance, and is simple and easy to implement.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an anti-dazzling control method and system for a vehicle and the vehicle.
Background
Since the driver is used to turn on the high beam for a long time, the driver and the pedestrians on the road are prone to dazzling, and driving safety is further endangered, and therefore, it becomes more and more important to perform a fine anti-dazzling function on the driver.
In the anti-dazzling process of the vehicle, if only the simple blocks become bright and dark, the driver is interfered, and the driving safety is endangered. In the related art, an anti-glare area edge smooth transition scheme is adopted, but the scheme is complex to control.
Disclosure of Invention
In view of the above, the present invention is directed to an anti-glare control method for a vehicle. The anti-dazzling control method for the vehicle can adjust the illuminance value of the anti-dazzling area in real time according to the distance between the target vehicle and the host vehicle, effectively avoids the occurrence of dazzling conditions, improves driving safety, can adjust the anti-dazzling area in real time only according to the vehicle distance, and is simple and easy to achieve.
In order to achieve the purpose, the technical scheme of the invention is realized as follows: an anti-glare control method of a vehicle, comprising the steps of: detecting a distance of the target vehicle from the host vehicle; and adjusting the illuminance value of the anti-dazzling area in real time according to the distance, wherein the illuminance value of the anti-dazzling area is increased along with the increase of the distance, and the anti-dazzling area is an anti-dazzling area irradiated to a target vehicle by a headlamp of a host vehicle.
Further, the adjusting the illuminance value of the anti-glare area in real time according to the distance includes: determining a highest illuminance value corresponding to the distance according to the distance between the target vehicle and the host vehicle, wherein the highest illuminance value is the highest illuminance value for avoiding dazzling; adjusting the illuminance value of the anti-glare area in real time according to the highest illuminance value.
Further, the method also comprises the following steps: controlling the light of the anti-glare area to become darkest when the distance is less than a first threshold; controlling the light of the anti-glare area to become brightest when the distance is greater than a second threshold, wherein the first threshold is less than the second threshold.
Further, the method also comprises the following steps: determining a gray scale map corresponding to each distance according to the illuminance distribution of the headlamps; and determining the illumination value of the anti-dazzling area according to the gray level map so as to adjust the illumination value of the anti-dazzling area.
Further, the method also comprises the following steps: acquiring an image of a target vehicle; determining the anti-glare area from the image of the target vehicle.
According to the anti-dazzling control method for the vehicle, the illuminance value of the anti-dazzling area can be adjusted in real time according to the distance between the target vehicle and the host vehicle, the dazzling situation is effectively avoided, the driving safety is improved, the anti-dazzling area can be adjusted in real time only according to the vehicle distance, and the method is simple and easy to implement.
A second object of the invention is to propose an anti-glare control system for a vehicle. The system can adjust the illuminance value of the anti-dazzling area in real time according to the distance between the target vehicle and the host vehicle, effectively avoids the occurrence of dazzling conditions, improves driving safety, can adjust the anti-dazzling area in real time only according to the vehicle distance, and is simple and easy to realize.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
an anti-glare control system for a vehicle, comprising: a detection module for detecting a distance between a target vehicle and a host vehicle; and the control module is used for adjusting the illuminance value of the anti-dazzling area in real time according to the distance, wherein the illuminance value of the anti-dazzling area is increased along with the increase of the distance, and the anti-dazzling area is an anti-dazzling area irradiated to a target vehicle by a headlamp of a main vehicle.
Further, the control module is configured to: determining a highest illuminance value corresponding to the distance according to the distance between the target vehicle and the host vehicle, wherein the highest illuminance value is the highest illuminance value for avoiding dazzling; adjusting the illuminance value of the anti-glare area in real time according to the highest illuminance value.
Further, the control module is further configured to: controlling the light of the anti-glare area to become darkest when the distance is less than a first threshold; controlling the light of the anti-glare area to become brightest when the distance is greater than a second threshold, wherein the first threshold is less than the second threshold.
Further, the control module is further configured to: determining a gray scale map corresponding to each distance according to the illuminance distribution of the headlamps; and determining the illumination value of the anti-dazzling area according to the gray level map so as to adjust the illumination value of the anti-dazzling area.
Compared with the prior art, the vehicle anti-glare control system and the vehicle anti-glare control method have the same advantages, and are not repeated herein.
A third object of the present invention is to provide a vehicle, which can adjust an illuminance value of an anti-glare area in real time according to a distance between a target vehicle and a host vehicle, effectively avoid occurrence of a glare situation, improve driving safety, adjust the anti-glare area in real time only according to a vehicle distance, and is simple and easy to implement.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a vehicle provided with an anti-glare control system for a vehicle as claimed in any one of the above embodiments.
The vehicle and the anti-glare control system of the vehicle have the same advantages compared with the prior art, and are not described herein again.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of an anti-glare control method for a vehicle according to an embodiment of the present invention;
FIG. 2 is a gray scale schematic view of an anti-glare control for a vehicle according to an embodiment of the present invention;
FIG. 3 illustrates a smooth transition of an anti-glare edge for a vehicle according to one embodiment of the present invention;
FIG. 4 is a schematic illustration of the effect of anti-glare control for a vehicle according to an embodiment of the present invention;
fig. 5 is a block diagram of an anti-glare control system for a vehicle according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 is a flowchart of an anti-glare control method of a vehicle according to one embodiment of the present invention.
As shown in fig. 1, an anti-glare control method for a vehicle according to an embodiment of the present invention includes the steps of:
s101: the distance of the target vehicle from the host vehicle is detected.
In order to achieve precise anti-glare control, the distance between the vehicles may be acquired by a sensor, such as an infrared sensor or an ultrasonic sensor.
S102: and adjusting the illuminance value of the anti-dazzling area in real time according to the distance, wherein the illuminance value of the anti-dazzling area is increased along with the increase of the distance, and the anti-dazzling area is an anti-dazzling area irradiated to the target vehicle by the headlamp of the main vehicle.
Namely: in the case of the same illuminance value, the farther the distance between the target vehicle and the host vehicle is, the smaller the influence of the light of the host vehicle on the target vehicle is, and in order to ensure the normal lighting requirement and the anti-glare requirement of the vehicle, the illuminance value of the anti-glare area is increased along with the increase of the distance.
In one embodiment of the present invention, adjusting the illuminance value of the anti-glare area in real time according to the distance comprises: determining a highest illuminance value corresponding to the distance according to the distance between the target vehicle and the host vehicle, wherein the highest illuminance value is the highest illuminance value for avoiding dazzling; and adjusting the illuminance value of the anti-dazzling area in real time according to the highest illuminance value.
Specifically, as shown in fig. 2, the embodiment of the present invention may implement slow brightness and slow dimming processes by using 256 gray levels in transition from white to black, and it is obvious that, regardless of vehicles running in opposite directions or in the same direction, the farther from the host vehicle, the darker the brightness of the vehicle lamp irradiated to the target vehicle, so that, within a certain area range from the host vehicle, a full-off manner is adopted for an anti-glare area, a gradual transition manner from black- > dark gray- > light gray- > white gradually can be adopted for vehicles farther from the host vehicle, and a reverse manner is adopted for vehicles closer to the host vehicle.
Further, still include: when the distance is less than a first threshold value, controlling the light of the anti-dazzling area to become darkest; when the distance is greater than a second threshold value, the light controlling the anti-glare area becomes brightest, wherein the first threshold value is less than the second threshold value.
Wherein, the first threshold is the illuminance value at the beginning of the control, for example, the distance between the two vehicles is very short; the second threshold is an illuminance value of the anti-glare area at the end of the control, for example, the two vehicles are far apart, and of course, a person skilled in the art may set specific values of the first threshold and the second threshold according to practical situations, for example, the first threshold may be 20m apart from the two vehicles, and the second threshold may be 100m apart from the two vehicles, which is only an example and is not limited specifically herein.
Further, still include: determining a gray scale map corresponding to each distance according to the illuminance distribution of the headlamps; and determining an illumination value of the anti-glare area according to the gray map so as to adjust the illumination value of the anti-glare area.
The initial and final gray scales need to be calibrated, so that the driver of the opposite vehicle cannot be dazzled as a reference.
For example, if 25m distance illumination is set as m, and if the illumination is required to be lower than 0.4lx (which is actually calibrated or changed according to the regulation), the anti-glare effect can be achieved, the gray value is set to 0.4/m × 256-1, the vehicle distance is set to d, the illumination value at the distance d is m1, the gray value is set to x, x is 0.4/m1 — 256-1, m1 is (25/d)2 × m, and the distance when the illumination value is 0.4lx is calculated and set as the anti-glare maximum distance.
Assuming that the illumination of the car light at the illumination distance of 25m is 50lx, the gray scale is required to be 1; if the vehicle is at 50m, the illumination is about 12.5lx, and the gray level is set to be 7; the vehicle distance is 100m, the illumination value is set to be 3.125lx, and the gray value is set to be 31; the distance between the vehicles is 200m, the illumination value is set to be 0.78125lx, and the gray value is set to be 130; the vehicle distance is 400m, the illumination value is set to be 0.195lx, and the gray value is set to be 255; the whole process of light and shade transition is realized by calculating that the illumination of the vehicle is less than 0.4lx when d is 280m, namely the distance of the detected vehicle is more than 280m, and the set gray value is 255.
The gradation value is set in accordance with the distance, the height of the anti-glare area (different anti-glare heights for different vehicle types), and the horizontal relative displacement between the anti-glare vehicle and the host vehicle, and the higher the anti-glare area is, the lower the luminance to be irradiated is, the lower the gradation value to be set is, and the farther the horizontal relative displacement is, the lower the luminance is, the lower the gradation value to be set is.
The schematic diagram of the embodiment that adopts the smooth transition mode of the edge of the anti-glare area to avoid causing a sharp feeling to the driver is shown in fig. 3.
Further, based on the above scheme, assuming that the illumination distribution of the high beam 25m screen of the car lamp is bright at the center and dark at the edge, as shown in the left diagram of fig. 4, the illuminance distribution according to the left image of figure 4 can be calibrated, simulated or calculated as the illuminance distribution or gray scale map of the right image of figure 4, the result of the superposition of the left diagram of fig. 4 and the right diagram of fig. 4, i.e. each value in the far-light region is lower than 0.4lx (which can be actually calibrated or modified according to relevant legislative regulations), the right diagram is stored in the controller (lamp controller or intelligent algorithm controller) in advance, the anti-dazzling gray level effects of different heights, different horizontal distances and different distances (namely X-Y-Z three coordinates) are obtained by the superposition mode of the identified anti-dazzling area and the pre-stored image, as shown in the right diagram of fig. 4, wherein, 1-6 are schematic diagrams of anti-glare occlusion of different areas. If 1 is the anti-dazzling effect picture of truck, 2 is the anti-dazzling effect picture of subtend left lane, 3 is the anti-dazzling effect picture of subtend adjacent lane, 5 is the anti-dazzling effect picture of equidirectional remote vehicle, 4 is the anti-dazzling effect picture of equidirectional car-following right lane, 6 is the anti-dazzling effect picture of equidirectional car-following.
In one embodiment of the present invention, further comprising: acquiring an image of a target vehicle; an anti-glare area is determined from the image of the target vehicle.
According to the embodiment of the invention, the target vehicle can be classified and judged through the camera and the vehicle recognition algorithm, the type of the target vehicle is judged, the image of the target vehicle is further obtained, and the lamp anti-dazzling area pair is determined according to the image of the target vehicle. Of course, the determination of the target vehicle classification may be performed by other technologies, for example, technologies such as radar or other sensors or V2X, and is not limited in this respect.
In addition, the anti-dazzling area can be a windshield, a window or a rearview mirror, the positions of the anti-dazzling areas of different types of vehicles are different, taking the occupation ratio of the windshield in the height of the vehicle as an example, a car is about 2/3 above the height of the vehicle, a bus is about 1/3 above the height of the vehicle, a double-deck bus is about 1/5 above the height of the vehicle, and a truck is about 2/3 above the height of the vehicle, and the anti-dazzling area is calibrated specifically according to actual tests, meanwhile, a certain margin is considered, so that dazzling caused by jolts and the like is avoided, and the calibrated result is stored in the vehicle, and thus, the occupation ratio of the window in the height of the vehicle can be determined according to the recognized type of the vehicle.
Adjusting an anti-glare area, which is irradiated by a headlight of a host vehicle onto a target vehicle, according to the occupancy ratio of the window of the target vehicle in the height of the target vehicle, so that the anti-glare area covers the window and an exterior rear view mirror of the target vehicle.
Further, when the vehicle is running in the same direction, the target vehicle is positioned in front of the host vehicle, and at the moment, the anti-dazzling area is a rear windshield and a right outer rearview mirror of the target vehicle; when the target vehicle is positioned right ahead of the host vehicle, the anti-dazzling area is a rear windshield glass, a left outer rearview mirror and a right outer rearview mirror of the target vehicle; when the target vehicle is positioned at the right front of the host vehicle, the anti-glare area is a rear windshield and a left outer rearview mirror of the target vehicle. For another example, the anti-glare area may be a front windshield when driving in opposite directions. Thereby further confirm the region of preventing dazzling according to the relative position of target vehicle and host vehicle to can be according to specific regional accurate control of preventing dazzling, in order to avoid preventing dazzling the emergence.
According to the anti-dazzling control method of the vehicle, the illuminance value of the anti-dazzling area can be adjusted in real time according to the distance between the target vehicle and the host vehicle, the occurrence of dazzling conditions is effectively avoided, driving safety is improved, the anti-dazzling area can be adjusted in real time only according to the vehicle distance, and the method is simple and easy to implement.
Fig. 5 is a block diagram of an anti-glare control system of a vehicle according to an embodiment of the present invention. As shown in fig. 5, an anti-glare control system 500 of a vehicle according to an embodiment of the present invention includes: a detection module 510 and a control module 520.
The detection module 510 is used for detecting the distance between the target vehicle and the host vehicle. The control module 520 is configured to adjust an illuminance value of the anti-glare area in real time according to the distance, where the illuminance value of the anti-glare area is increased with an increase in the distance, and the anti-glare area is an anti-glare area that is irradiated by headlights of the host vehicle onto the target vehicle.
In one embodiment of the present invention, the control module 520 is configured to: determining a highest illuminance value corresponding to the distance according to the distance between the target vehicle and the host vehicle, wherein the highest illuminance value is the highest illuminance value for avoiding dazzling; and adjusting the illuminance value of the anti-dazzling area in real time according to the highest illuminance value.
In one embodiment of the present invention, the control module 520 is further configured to: when the distance is less than a first threshold value, controlling the light of the anti-dazzling area to become darkest; when the distance is greater than a second threshold value, the light controlling the anti-glare area becomes brightest, wherein the first threshold value is less than the second threshold value.
In one embodiment of the present invention, the control module 520 is further configured to: determining a gray scale map corresponding to each distance according to the illuminance distribution of the headlamps; and determining an illumination value of the anti-glare area according to the gray map so as to adjust the illumination value of the anti-glare area.
According to the anti-dazzling control system of the vehicle, the illuminance value of the anti-dazzling area can be adjusted in real time according to the distance between the target vehicle and the host vehicle, the occurrence of dazzling conditions is effectively avoided, driving safety is improved, the anti-dazzling area can be adjusted in real time only according to the vehicle distance, and the anti-dazzling control system is simple and easy to implement.
It should be noted that a specific implementation manner of the anti-glare control system for a vehicle according to the embodiment of the present invention is similar to that of the anti-glare control system for a vehicle according to the embodiment of the present invention, and please refer to the description of the method part specifically, and details are not repeated here in order to reduce redundancy.
Further, an embodiment of the invention discloses a vehicle provided with an anti-glare control system of the vehicle as in any one of the embodiments above. This vehicle can be according to the distance of target vehicle and host vehicle adjusting in real time and prevent dazzling regional illuminance value, effectively avoids dazzling the emergence of the condition, promotes driving safety, and only according to the vehicle distance alright prevent dazzling regional with real-time adjustment, simple easy realization.
In addition, other configurations and functions of the vehicle according to the embodiment of the present invention are known to those skilled in the art, and are not described herein in detail in order to reduce redundancy.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. An anti-glare control method for a vehicle, characterized by comprising the steps of:
detecting a distance of the target vehicle from the host vehicle;
adjusting an illuminance value of an anti-glare area in real time according to the distance, wherein the illuminance value of the anti-glare area is increased along with the increase of the distance, and the anti-glare area is an anti-glare area irradiated to a target vehicle by a headlamp of a host vehicle;
determining the illumination distribution of the headlamps corresponding to each distance, and determining the highest illumination value corresponding to each distance; determining a gray scale map corresponding to the distance according to the illuminance distribution of the headlights corresponding to the distance and a highest illuminance value corresponding to the distance, wherein the highest illuminance value is the highest illuminance value for avoiding dazzling;
determining an illumination value of the anti-glare area according to the gray map so as to adjust the illumination value of the anti-glare area; the method comprises the following steps:
acquiring an image of a target vehicle; determining the anti-dazzling area according to the image of the target vehicle, determining an anti-dazzling gray effect image according to the anti-dazzling area and the gray image corresponding to the distance, and adjusting the illuminance value of the anti-dazzling area according to the anti-dazzling gray effect image.
2. The anti-glare control method for a vehicle according to claim 1, further comprising:
controlling the light of the anti-glare area to become darkest when the distance is less than a first threshold;
controlling the light of the anti-glare area to become brightest when the distance is greater than a second threshold, wherein the first threshold is less than the second threshold.
3. An anti-glare control system for a vehicle, comprising:
a detection module for detecting a distance between a target vehicle and a host vehicle;
the control module is used for adjusting the illuminance value of an anti-dazzling area in real time according to the distance, wherein the illuminance value of the anti-dazzling area is increased along with the increase of the distance, and the anti-dazzling area is an anti-dazzling area irradiated to a target vehicle by a headlamp of a main vehicle; determining the illumination distribution of the headlamps corresponding to each distance, and determining the highest illumination value corresponding to each distance; determining a gray scale map corresponding to the distance according to the illuminance distribution of the headlights corresponding to the distance and a highest illuminance value corresponding to the distance, wherein the highest illuminance value is the highest illuminance value for avoiding dazzling; determining an illuminance value of the anti-glare area according to the gray scale map to adjust the illuminance value of the anti-glare area, including: acquiring an image of a target vehicle; determining the anti-dazzling area according to the image of the target vehicle, determining an anti-dazzling gray effect image according to the anti-dazzling area and the gray image corresponding to the distance, and adjusting the illuminance value of the anti-dazzling area according to the anti-dazzling gray effect image.
4. The anti-glare control system for a vehicle of claim 3, wherein the control module is further configured to:
controlling the light of the anti-glare area to become darkest when the distance is less than a first threshold;
controlling the light of the anti-glare area to become brightest when the distance is greater than a second threshold, wherein the first threshold is less than the second threshold.
5. A vehicle, characterized in that an anti-glare control system of the vehicle according to any one of claims 3-4 is provided.
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| CN201811158862.1A CN110962734B (en) | 2018-09-30 | 2018-09-30 | Anti-dazzling control method and system for vehicle and vehicle |
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| CN201811158862.1A CN110962734B (en) | 2018-09-30 | 2018-09-30 | Anti-dazzling control method and system for vehicle and vehicle |
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| CN110962734B true CN110962734B (en) | 2021-09-21 |
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| CN111712023B (en) * | 2020-05-30 | 2022-05-06 | 宁波新城建筑设计有限公司 | Illumination control method and system for night scene of building, intelligent terminal and storage medium |
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