CN115257524A - Vehicle lamp control method, device, control equipment, vehicle lamp system and storage medium - Google Patents
Vehicle lamp control method, device, control equipment, vehicle lamp system and storage medium Download PDFInfo
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/63—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates
- F21S41/64—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices
- F21S41/645—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices by electro-optic means, e.g. liquid crystal or electrochromic devices
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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
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The application provides a vehicle lamp control method, a vehicle lamp control device, a vehicle lamp system and a storage medium. The method comprises the following steps: acquiring peripheral environment data of a current vehicle; detecting whether anti-dazzle targets such as pedestrians and target vehicles exist in an irradiation area of a headlamp of a current vehicle through a preset detection algorithm; when the anti-dazzle target exists, determining a shielding area of a transmittance variable module on the headlamp based on peripheral environment data and position information of the anti-dazzle target relative to a current vehicle, wherein the transmittance variable module is radially arranged on a light path of a light source of the headlamp and comprises light emitting units arranged in an array; the shielding area on the transmittance variable module is controlled to be changed from the current transparency to the target transparency so as to shield or partially transmit the light irradiating the anti-glare target, and the problems that the shading effect is single and pedestrians or vehicles in a dark area are influenced due to the fact that the pixel light source of the shielding area is completely closed can be solved.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a vehicle lamp control method, a vehicle lamp control device, control equipment, a vehicle lamp system and a storage medium.
Background
When a vehicle is driven at night, a headlamp (headlight) is usually turned on, and when a pedestrian in front or a person in a vehicle in front sees strong light emitted from the headlight, glare is easily caused. In the field of vehicles, adaptive Driving Beam (ADB) technology is currently emerging to avoid pedestrians or vehicles from being irradiated by high beams or strong light as much as possible. The existing ADB technology is to control the on and off of the pixel light source of the vehicle lamp, and realize the functions of partial shielding and anti-dazzling in the front irradiation area, so as to prevent the pedestrians or vehicles from being directly irradiated by high beam or strong light. When the area corresponding to the light source is closed, the technology can only be in a dark state generally, or can realize an intermediate transition state through light supplement and the like, so that pedestrians or vehicles in a dark area or in a lightless state are difficult to observe, and the driving safety risk is caused.
Disclosure of Invention
In view of this, an object of the embodiments of the present application is to provide a method, an apparatus, a control device, a vehicle lamp system and a storage medium for controlling a vehicle lamp, which can solve the problem that a single shading effect is caused by completely turning off a pixel light source in a shaded area, which affects the observation of pedestrians or vehicles in a dark area.
In order to achieve the technical purpose, the technical scheme adopted by the application is as follows:
in a first aspect, an embodiment of the present application provides a vehicle lamp control method, where the method includes: acquiring peripheral environment data of a current vehicle; detecting whether an anti-dazzle target exists in an irradiation area of a headlamp of the current vehicle through a preset detection algorithm, wherein the anti-dazzle target comprises at least one of a pedestrian and a target vehicle; when the anti-dazzle target exists in the irradiation area, determining a shielding area of a light transmittance variable module on the headlamp based on the peripheral environment data and the position information of the anti-dazzle target relative to the current vehicle, wherein the light transmittance variable module is radially arranged on a light path of a light source of the headlamp and comprises light emitting units arranged in an array, and each light emitting unit is used for emitting light when being electrified; and controlling the shielding area on the light transmittance variable module to change from the current transparency to a target transparency so as to shield or partially transmit the light irradiating the anti-glare target, wherein the target transparency is lower than the current transparency.
With reference to the first aspect, in some alternative embodiments, the detecting whether the anti-glare target exists in the irradiation region of the headlamps of the current vehicle through a preset detection algorithm includes: detecting whether a target vehicle exists in the irradiation area of the headlamp of the current vehicle through the preset detection algorithm, wherein the target vehicle is a vehicle except for the current vehicle, and the preset detection algorithm comprises a deep learning algorithm; and if the target vehicle exists in the irradiation area, confirming that the anti-dazzle target exists in the irradiation area.
With reference to the first aspect, in some alternative embodiments, the detecting whether the anti-glare target exists in the irradiation region of the headlamps of the current vehicle through a preset detection algorithm includes: detecting whether a pedestrian facing to the current vehicle exists in the irradiation area of the headlamp of the current vehicle through the preset detection algorithm, wherein the preset detection algorithm comprises a deep learning algorithm; and if the pedestrian facing the current vehicle exists in the irradiation area, confirming that the anti-dazzling target exists in the irradiation area.
With reference to the first aspect, in some optional embodiments, before controlling the blocked area on the transmittance variable module to change from a current transparency to a target transparency, the method further includes: and determining the transparency corresponding to the current brightness as the target transparency according to the current brightness of the ambient light in the ambient environment data based on the preset corresponding relationship between the brightness and the transparency of the ambient light.
With reference to the first aspect, in some optional embodiments, the ambient environment data includes at least one of ambient video data and ambient radar data, and acquiring the ambient environment data of the current vehicle includes: and acquiring peripheral video data of the current vehicle through a camera on the current vehicle, and/or acquiring peripheral radar data of the current vehicle through a radar module on the current vehicle.
With reference to the first aspect, in some optional embodiments, the transmittance variable module is a light control glass or a programmable transparent liquid crystal screen.
In a second aspect, the present application also provides a vehicle lamp control device, the device comprising: a data acquisition unit for acquiring peripheral environment data of a current vehicle; the target detection unit is used for detecting whether an anti-glare target exists in an irradiation area of a headlamp of the current vehicle through a preset detection algorithm, wherein the anti-glare target comprises at least one of a pedestrian and a target vehicle; a determining unit, configured to determine, when the anti-glare target exists in the irradiation area, a shielding area of a variable transmittance module on the headlamp based on the ambient environment data and position information of the anti-glare target relative to the current vehicle, where the variable transmittance module is radially disposed on an optical path of a light source of the headlamp and includes light emitting units arranged in an array, and each of the light emitting units is configured to emit light when powered on; and the control unit is used for controlling the shielding area on the light transmittance variable module to be changed from the current transparency to the target transparency so as to shield or partially transmit the light irradiating the anti-dazzling target, wherein the target transparency is lower than the current transparency.
In a third aspect, the present application further provides a control device, which includes a processor and a memory coupled to each other, wherein the memory stores a computer program, and when the computer program is executed by the processor, the control device is enabled to execute the method described above.
The fourth aspect, this application still provides a car light system, including car light equipment and foretell controlgear, controlgear with car light equipment electricity is connected, car light equipment includes light source, lens and the variable module of transmittance, lens reach the variable module of transmittance radially set up in the light path of light source, the variable module of transmittance is including the luminescence unit that is the array setting, wherein, every the luminescence unit is used for giving out light when being electrified, is used for adjusting the transparency of the variable module of transmittance.
In a fifth aspect, the present application also provides a computer-readable storage medium having a computer program stored thereon, which, when run on a computer, causes the computer to perform the above-mentioned method.
The invention adopting the technical scheme has the advantages that:
according to the technical scheme, whether anti-dazzle targets such as pedestrians and vehicles exist in the irradiation area of the headlamp is detected by using the peripheral environment data of the current vehicle. If the anti-dazzle target exists, a shielding area on the light transmittance variable module is calculated based on the relative position of the anti-dazzle target and the vehicle, and then transparency adjustment is carried out on the shielding area, so that the shielding area on the light transmittance variable module is changed from the current transparency to the target transparency, and light irradiating the anti-dazzle target is shielded or partially transmitted, and shielding or partially transmitting of the light is achieved. Therefore, the light source does not need to be changed into a pixel light source, and the anti-dazzle target can be shielded or partially transmitted based on the transparency more finely. Because the light transmission does not need to be completely prevented, the condition that pedestrians or vehicles in a dark area are inconvenient to observe by a driver of the vehicle due to complete shading is avoided.
Drawings
The present application can be further illustrated by the non-limiting examples given in the figures. It is appreciated that the following drawings depict only certain embodiments of the application and are therefore not to be considered limiting of its scope, for those skilled in the art will be able to derive additional related drawings therefrom without the benefit of the inventive faculty.
Fig. 1 is a block diagram of a vehicle lamp system provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of a vehicular lamp device according to an embodiment of the present application;
fig. 3 is a schematic flow chart of a vehicle lamp control method according to an embodiment of the present application.
Fig. 4 is a block diagram of a vehicle lamp control device according to an embodiment of the present application.
Icon: 10-a vehicle light system; 20-a control device; 21-a processing module; 22-a storage module; 23-a context awareness module; 30-a vehicle light device; 31-a light source; 32-a variable transmittance module; 33-a lens; 34-a lampshade; 200-a vehicle light control device; 210-a data acquisition unit; 220-target detection unit; 230-a determination unit; 240-control unit.
Detailed Description
The present application will be described in detail with reference to the drawings and specific embodiments, wherein like reference numerals are used for similar or identical parts in the drawings or description, and implementations not shown or described in the drawings are known to those of ordinary skill in the art. In the description of the present application, the terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, an embodiment of the present application provides a vehicle lamp system 10. The vehicle lamp system 10 may be deployed on a variety of vehicles. For example, the lamp system 10 may be deployed in vehicles such as electric vehicles, fuel vehicles, and the like.
The vehicle lamp system 10 may include a control device 20 and a vehicle lamp device 30. The control device 20 is electrically connected to the lamp device 30 for management control of the lamp device 30.
The control device 20 may comprise a processing module 21 and a memory module 22 coupled to each other, the memory module 22 storing a computer program which, when executed by the processing module 21, enables the control device 20 to perform the steps of the vehicle light control method described below.
It should be noted that the control device 20 may also include other structures. For example, the control device 20 may further include an environment sensing module 23 for collecting environmental data of the surroundings of the vehicle. For example, the environment sensing module 23 may include, but is not limited to, a camera, a radar module, an Advanced Driving Assistance System (ADAS), an Adaptive Cruise Control (ACC) System, and the like. The camera is used for collecting peripheral video data of the vehicle. The radar module is used for collecting peripheral radar data of the vehicle. The module included in the environment sensing module 23 is a conventional module that collects various types of environment data according to requirements, and is not limited specifically here.
It is understood that the structure of the control device 20 and the lamp device 30 shown in fig. 1 is only a schematic structure, and the control device 20 and the lamp device 30 may include more components than those shown in fig. 1. The components shown in fig. 1 may be implemented in hardware, software, or a combination thereof.
In the present embodiment, the lamp system 10 may further include a system switch. The system switch may be used to provide system enable information. The system switch may be a mechanical switch or a soft switching signal, which is automatically enabled directly when the vehicle light is turned on, so that the control device 20 performs the steps of the vehicle light control method described below.
Referring to fig. 2, the vehicle lamp device 30 may include a light source 31, a lens 33, and a transmittance changing module 32. Of course, the lamp device 30 may also include other structures. For example, the lamp device 30 may further include a lens 33, a lamp cover 34, and the like. The light source 31 can be flexibly selected according to actual conditions and is used for emitting light after being electrified. For example, the light source 31 may be a light emitting diode.
The lens 33 may be a convex lens, and is disposed between the lamp housing 34 and the light source 31 for refracting or condensing the light emitted from the light source 31. Understandably, the function of the lens 33 is well known to those skilled in the art and will not be described in detail herein.
The transmittance variable module 32 is a sheet-like structure, and may be radially disposed between the light source 31 and the lens 33, or may be radially disposed between the lens 33 and the lamp housing 34. For example, the transmittance changing module 32 may be attached to a side of the lens 33 close to the light source 31.
In the present embodiment, the transmittance variable module 32 may be, but is not limited to, a light control glass, a programmable transparent liquid crystal panel, and the like. Understandably, the dimming glass and the programmable transparent liquid crystal screen can realize the adjustment of the self transparency under the control of the processing module 21. When the light irradiates the front side on the light adjusting glass or the programmable transparent liquid crystal screen, after the self transparency is adjustable, the light can be shielded or partially transmitted, so that the brightness of the light transmitting the transmittance variable module 32 is weakened.
Understandably, the programmable transparent liquid crystal screen (or light adjusting glass) can comprise an electronic driving unit and a liquid crystal light adjusting sheet. On a Liquid Crystal Display (LCD) screen of the Liquid Crystal dimming sheet, the brightness and darkness of each pixel region (or light emitting unit) can be turned on or off according to software programming control information received by the electronic driving unit, and the lighted brightness can be controlled. In this embodiment, the software programming control information is derived from the processing module 21. That is, under the control of the processing module 21, the electronic driving unit may change the state of the corresponding area of the LCD screen of the liquid crystal dimming sheet into opaque or partially transparent, so as to shield or partially transmit the light in the area.
As an alternative embodiment, the lamp device 30 may further include a fixing bracket. The fixing bracket is used for fixing the transmittance variable module 32 in the lamp shade 34/lamp housing, and the fixing bracket can also be integrated with the lamp shade 34/lamp housing to realize the fixing function.
Referring to fig. 3, the present application further provides a vehicle lamp control method, which can be applied to the vehicle lamp control system, and the control device 20 cooperates with the vehicle lamp device 30 to implement the steps of the method. The vehicle lamp control method can comprise the following steps:
In the above-described embodiment, whether or not an anti-glare target such as a pedestrian or a vehicle exists in the irradiation region of the headlamp is detected by using the current ambient environment data of the vehicle. If the anti-glare target exists, the shielding area on the light transmittance variable module 32 is calculated based on the relative position of the anti-glare target and the vehicle, and then transparency adjustment is performed on the shielding area, so that the current transparency of the shielding area on the light transmittance variable module 32 is changed into the target transparency, and the light irradiated to the anti-glare target is shielded or partially transmitted, so that the shielding or partially transmitted light of the light is realized. Therefore, the light source 31 does not need to be changed into the pixel light source 31, and the anti-glare target can be shielded or partially transmitted based on the transparency more finely. Because the light transmission does not need to be completely prevented, the condition that pedestrians or vehicles in a dark area are inconvenient to observe by a driver of the vehicle due to complete shading is avoided.
The following will describe in detail the steps of the vehicle lamp control method, as follows:
in step 110, the ambient environment data includes at least one of ambient video data and ambient radar data. Understandably, step 110 may include:
and acquiring peripheral video data of the current vehicle through a camera on the current vehicle, and/or acquiring peripheral radar data of the current vehicle through a radar module on the current vehicle.
In other embodiments, the ambient data may also include a brightness level representative of the ambient light of the current vehicle as collected by the illumination sensor.
It should be understood that the environmental awareness module 23 on the vehicle can flexibly collect various types of surrounding environment data according to actual situations, and the type and the amount of the collected data are not particularly limited. In addition, the environment sensing module 23 may collect data in real time to improve timeliness of the collected data.
In step 120, a preset detection algorithm may be flexibly determined according to actual conditions for detecting whether a pedestrian or a vehicle exists in the irradiation region of the headlamp. For example, the preset detection algorithm may be a deep learning algorithm, such as a Convolutional Neural Network (CNN).
In this embodiment, the processing module 21 may decode the video data collected by the camera to obtain an image frame, and cut out a window of an irradiation area of the headlamp of the vehicle as a detected region, so that the content of the region outside the window does not need to be focused, which is beneficial to reducing the amount of computation. Then, whether the anti-dazzle target exists in the map area or not is detected by utilizing a deep learning algorithm aiming at the image in the detection window. The method for detecting whether the anti-dazzle purpose exists in the map area by using the deep learning algorithm is a conventional target identification method based on a computer vision technology, and is not repeated here.
As an alternative implementation, step 120 may include:
detecting whether a target vehicle exists in the irradiation area of the headlamp of the current vehicle through the preset detection algorithm, wherein the target vehicle is a vehicle except for the current vehicle;
and if the target vehicle exists in the irradiation area, confirming that the anti-dazzle target exists in the irradiation area.
In the present embodiment, the control device 20 can detect whether there is a target vehicle in a map area within the irradiation area using the trained deep learning model, and thus, determination of whether there is an anti-glare target within the irradiation area can be quickly achieved. The target vehicle is generally a vehicle that is in front of the host vehicle and is located within the headlamp irradiation area.
As an alternative implementation, step 120 may include:
detecting whether a pedestrian facing to the current vehicle exists in the irradiation area of the headlamp of the current vehicle through the preset detection algorithm;
and if the pedestrian facing the current vehicle exists in the irradiation area, confirming that the anti-dazzling target exists in the irradiation area.
In the present embodiment, the control apparatus 20 may detect whether or not a pedestrian is present in a region within the irradiation region, and whether or not a face image is present in a pedestrian region when a pedestrian is present, using a trained deep learning model. If the face image of the pedestrian exists, it indicates that there is a pedestrian facing the current vehicle, and at this time, it is necessary to block or attenuate the light irradiating the pedestrian. If the pedestrian exists in the irradiation area but does not face the current vehicle, the light rays emitted to the pedestrian do not need to be shielded or weakened. Based on this, can combine pedestrian's orientation, the transparency of nimble adjustment transmittance variable module 32 enriches the shading effect.
In step 130, the position information of the anti-glare target relative to the current vehicle can be flexibly determined according to actual conditions. For example, a radar module on the vehicle may detect the relative position between the vehicle and the anti-glare target and be sent to the processing module 21 as part of the ambient environment data. The processing module 21 may convert the relative position between the vehicle and the anti-glare target into the relative position between the headlamp and the anti-glare target, and calculate the region of the anti-glare target projected on the transmittance variable module 32 as the blocking region.
The method for calculating the occlusion region is conventional geometric spatial transformation, and the calculation method is not particularly limited here. It should be noted that, in order to improve the shielding effect, the shielding area on the transmittance variable module 32 may be proportionally slightly larger than the projection area of the anti-glare target projected on the transmittance variable module 32. For example, the area of the occlusion region may be 110% of the projection region.
In step 140, the processing module 21 may control the brightness of the light emitting unit on the liquid crystal dimmer chip in the transmittance variable module 32 through the electronic driving unit. When the light emitting units are not powered on, liquid crystal molecules in each light emitting unit in the liquid crystal dimming sheet are in an irregular distribution state, so that light cannot enter, at the moment, the liquid crystal dimming sheet presents an opaque appearance, and the transparency of the liquid crystal dimming sheet (or the whole transmittance variable module 32) is the lowest.
When a rated voltage corresponding to a full-load state is applied to the light emitting units, liquid crystal molecules are arranged in order in each light emitting unit in the liquid crystal dimming sheet, light can penetrate freely, at the moment, the liquid crystal dimming sheet is in a transparent state, and the transparency of the liquid crystal dimming sheet (or the whole transmittance variable module 32) is the highest.
The processing module 21 may control a voltage applied to each light emitting cell using the electronic driving unit, so that the transparency of the region where each light emitting cell is located may be adjusted.
In this embodiment, the target transparency satisfies the following requirements: so that the light passing through the shading area is not easy to cause dazzling. The target transparency can be flexibly determined according to actual conditions.
Illustratively, prior to step 140, the method may further comprise the step of determining the transparency of the object. For example, before controlling the occlusion region on the transmittance variable module 32 to change from the current transparency to the target transparency, the method may further include:
and determining the transparency corresponding to the current brightness as the target transparency according to the current brightness of the ambient light in the ambient environment data based on the preset corresponding relationship between the brightness and the transparency of the ambient light.
In this embodiment, the storage module 22 may store a relationship table between the brightness and the transparency of the ambient light in advance, and the brightness of different segment ranges may correspond to different transparencies respectively. The relationship table is a corresponding relationship calibrated in advance. For example, the engineer can adjust the transparency of the shielding region on the transmittance variable module 32 under different ambient lights, so that the light is not easy to dazzle when the tester is irradiated by the light, the tester can view the scene information in the shielding region by the light transmitted after shielding or weakening, and the situation that the shielding region is dim due to too much light is avoided, and the scene information is not easy to observe. Through a plurality of groups of tests, the relation table can be obtained.
The vehicle can be used for acquiring the brightness of the ambient light around the current vehicle through the illumination sensor. After obtaining the brightness, the processing module 21 may identify a segmentation range where the current brightness is located, and a corresponding transparency, where the transparency is a target transparency. At this time, the processing module 21 may control the occlusion region to change from the current transparency to the target transparency through the electronic driving unit. Therefore, light emitted by the headlamp can be shielded or weakened through the shielding area, so that a driver or a pedestrian can not dazzle the headlamp, the driver can view scene information in the shielding area, and the situation that partial areas are dim due to too much shielded light is avoided, and the situation that the scene information is not easy to observe is avoided.
In this embodiment, when the position of the anti-glare target such as a pedestrian or a vehicle changes, the processing module 21 may synchronously calculate the shielding area of the LCD screen on the transmittance variable module 32, so that the shielding area may be synchronously changed, and thus, a dynamic anti-glare function may be implemented.
Referring to fig. 4, the present application further provides a vehicle lamp control device 200, which may include a data obtaining unit 210, a target detecting unit 220, a determining unit 230, and a control unit 240, where each unit has the following functions:
a data acquisition unit 210 configured to acquire surrounding environment data of a current vehicle;
the target detection unit 220 is configured to detect whether an anti-glare target exists in an irradiation area of a headlamp of the current vehicle through a preset detection algorithm, where the anti-glare target includes at least one of a pedestrian and a target vehicle;
a determining unit 230, configured to determine, when the anti-glare target exists in the irradiation area, a shielding area of a light transmittance variable module 32 on the headlamp based on the ambient environment data and position information of the anti-glare target relative to the current vehicle, where the light transmittance variable module 32 is radially disposed on an optical path of a light source 31 of the headlamp, and the light transmittance variable module 32 includes light emitting units arranged in an array, each of the light emitting units being configured to emit light when powered on;
a control unit 240, configured to control the shielding region on the transmittance variable module 32 to change from a current transparency to a target transparency, so as to shield or partially transmit light irradiated to the anti-glare target, where the target transparency is lower than the current transparency.
Optionally, the control unit 240 may be configured to:
detecting whether a target vehicle exists in the irradiation area of the headlamp of the current vehicle through the preset detection algorithm, wherein the target vehicle is a vehicle except for the current vehicle, and the preset detection algorithm comprises a deep learning algorithm;
and if the target vehicle exists in the irradiation area, confirming that the anti-dazzle target exists in the irradiation area.
Optionally, the control unit 240 may be further configured to:
detecting whether a pedestrian facing the current vehicle exists in the irradiation area of the headlamp of the current vehicle through the preset detection algorithm, wherein the preset detection algorithm comprises a deep learning algorithm;
and if the pedestrian facing the current vehicle exists in the irradiation area, confirming that the anti-dazzling target exists in the irradiation area.
Optionally, before the control unit 240 controls the blocking area on the transmittance variable module 32 to be changed from the current transparency to the target transparency, the determining unit 230 may be further configured to determine, based on a preset corresponding relationship between the brightness and the transparency of the ambient light, the transparency corresponding to the current brightness as the target transparency according to the current brightness of the ambient light in the ambient environment data.
Optionally, the ambient environment data includes at least one of ambient video data, ambient radar data. The data obtaining unit 210 may be further configured to obtain peripheral video data of the current vehicle through a camera on the current vehicle, and/or obtain peripheral radar data of the current vehicle through a radar module on the current vehicle.
In this embodiment, the processing module 21 may be an integrated circuit chip having signal code processing capability. The processing module 21 may be a general-purpose processor. For example, the processor may be a Central Processing Unit (CPU), a Digital Signal code processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, and may implement or execute the methods, steps, and logic blocks disclosed in the embodiments of the present Application.
The memory module 22 may be, but is not limited to, a random access memory, a read only memory, a programmable read only memory, an erasable programmable read only memory, an electrically erasable programmable read only memory, and the like. In this embodiment, the storage module 22 may be configured to store a preset detection algorithm, a preset correspondence between the brightness and the transparency of the ambient light, and the like. Of course, the storage module 22 may also be used for storing a program, and the processing module 21 executes the program after receiving the execution instruction.
It should be noted that, as will be clear to those skilled in the art, for convenience and brevity of description, the specific working processes of the control device 20 and the vehicle lamp device 30 described above may refer to the corresponding processes of the steps in the foregoing method, and will not be described in detail herein.
The embodiment of the application also provides a computer readable storage medium. The computer-readable storage medium has stored therein a computer program that, when run on a computer, causes the computer to execute the vehicle lamp control method as described in the above-described embodiments.
From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by hardware, or by software plus a necessary general hardware platform, and based on such understanding, the technical solution of the present application can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a usb disk, a removable hard disk, etc.), and includes several instructions to enable a computer device (which can be a personal computer, a control device, or a network device, etc.) to execute the method described in the embodiments of the present application.
In summary, the embodiments of the present application provide a vehicle lamp control method, a vehicle lamp control device, a vehicle lamp system, and a storage medium. In the present scheme, whether an anti-glare target such as a pedestrian or a vehicle exists in an irradiation region of a headlamp is detected by using the current surrounding environment data of the vehicle. If the irradiation area has such targets, calculating a shielding area on the transmittance variable module based on the relative position of the anti-glare target and the vehicle, and then adjusting the transparency of the shielding area, so that the current transparency of the shielding area on the transmittance variable module is changed into the transparency of the target, and the light irradiated to the anti-glare target is shielded or partially transmitted, so as to realize the shielding or partially transmitting of the light. Therefore, the light source does not need to be changed into a pixel light source, and the anti-dazzle target can be shielded or partially transmitted based on the transparency more finely. Because the light transmission is not required to be completely prevented, the condition that pedestrians or vehicles in a dark area are inconvenient to observe by a driver of the vehicle due to complete shading is avoided.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus, system, and method may be implemented in other ways. The apparatus, system, and method embodiments described above are merely illustrative and, for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions. In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A vehicle light control method, characterized by comprising:
acquiring peripheral environment data of a current vehicle;
detecting whether an anti-dazzle target exists in an irradiation area of a headlamp of the current vehicle through a preset detection algorithm, wherein the anti-dazzle target comprises at least one of a pedestrian and a target vehicle;
when the anti-glare target exists in the irradiation area, determining a shielding area of a light transmittance variable module on the headlamp based on the peripheral environment data and the position information of the anti-glare target relative to the current vehicle, wherein the light transmittance variable module is radially arranged on a light path of a light source of the headlamp and comprises light emitting units arranged in an array, and each light emitting unit is used for emitting light when being powered on;
and controlling the shielding area on the light transmittance variable module to change from the current transparency to a target transparency so as to shield or partially transmit the light irradiating the anti-glare target, wherein the target transparency is lower than the current transparency.
2. The method of claim 1, wherein detecting whether an anti-glare target exists within an irradiation area of headlamps of the current vehicle through a preset detection algorithm comprises:
detecting whether a target vehicle exists in the irradiation area of the headlamp of the current vehicle through the preset detection algorithm, wherein the target vehicle is a vehicle except for the current vehicle, and the preset detection algorithm comprises a deep learning algorithm;
and if the target vehicle exists in the irradiation area, confirming that the anti-dazzle target exists in the irradiation area.
3. The method of claim 1, wherein detecting whether an anti-glare target exists within an irradiation area of headlamps of the current vehicle through a preset detection algorithm comprises:
detecting whether a pedestrian facing to the current vehicle exists in the irradiation area of the headlamp of the current vehicle through the preset detection algorithm, wherein the preset detection algorithm comprises a deep learning algorithm;
and if the pedestrian facing the current vehicle exists in the irradiation area, confirming that the anti-dazzling target exists in the irradiation area.
4. The method of claim 1, wherein before controlling the blocked area on the transmittance-variable module to change from a current transparency to a target transparency, the method further comprises:
and determining the transparency corresponding to the current brightness as the target transparency according to the current brightness of the ambient light in the ambient environment data based on the preset corresponding relationship between the brightness and the transparency of the ambient light.
5. The method of claim 1, wherein the ambient environment data comprises at least one of ambient video data and ambient radar data, and wherein obtaining ambient environment data for a current vehicle comprises:
and acquiring peripheral video data of the current vehicle through a camera on the current vehicle, and/or acquiring peripheral radar data of the current vehicle through a radar module on the current vehicle.
6. The method according to any one of claims 1 to 5, wherein the variable transmittance module is a light control glass or a programmable transparent liquid crystal screen.
7. A vehicle lamp control device characterized by comprising:
a data acquisition unit for acquiring peripheral environment data of a current vehicle;
the target detection unit is used for detecting whether an anti-dazzle target exists in an irradiation area of a headlamp of the current vehicle through a preset detection algorithm, wherein the anti-dazzle target comprises at least one of a pedestrian and a target vehicle;
a determining unit, configured to determine, when the anti-glare target exists in the irradiation area, a shielding area of a variable transmittance module on the headlamp based on the peripheral environment data and position information of the anti-glare target relative to the current vehicle, where the variable transmittance module is radially disposed on an optical path of a light source of the headlamp and includes light emitting units arranged in an array, and each light emitting unit is configured to emit light when being powered on;
and the control unit is used for controlling the shielding area on the light transmittance variable module to be changed from the current transparency to the target transparency so as to shield or partially transmit the light irradiating the anti-dazzling target, wherein the target transparency is lower than the current transparency.
8. A control device, comprising a processor and a memory coupled to each other, in which a computer program is stored which, when executed by the processor, causes the control device to carry out the method according to any one of claims 1-6.
9. A vehicle lamp system comprising a vehicle lamp device and the control device according to claim 8, the control device being electrically connected to the vehicle lamp device, the vehicle lamp device comprising a light source, a lens and a variable transmittance module, the lens and the variable transmittance module being radially disposed on an optical path of the light source, the variable transmittance module comprising light emitting units arranged in an array, wherein each of the light emitting units is configured to emit light when powered on for adjusting a transparency of the variable transmittance module.
10. A computer-readable storage medium, in which a computer program is stored which, when run on a computer, causes the computer to carry out the method according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210826069.4A CN115257524A (en) | 2022-07-14 | 2022-07-14 | Vehicle lamp control method, device, control equipment, vehicle lamp system and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210826069.4A CN115257524A (en) | 2022-07-14 | 2022-07-14 | Vehicle lamp control method, device, control equipment, vehicle lamp system and storage medium |
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| CN115257524A true CN115257524A (en) | 2022-11-01 |
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| CN202210826069.4A Withdrawn CN115257524A (en) | 2022-07-14 | 2022-07-14 | Vehicle lamp control method, device, control equipment, vehicle lamp system and storage medium |
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| CN116006916A (en) * | 2023-01-04 | 2023-04-25 | 奇瑞汽车股份有限公司 | Front car lamp assembly and vehicle |
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Application publication date: 20221101 |