CN110877517B - Method for preventing strong light stimulation of high beam, terminal equipment and storage medium - Google Patents

Method for preventing strong light stimulation of high beam, terminal equipment and storage medium Download PDF

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Publication number
CN110877517B
CN110877517B CN201911239532.XA CN201911239532A CN110877517B CN 110877517 B CN110877517 B CN 110877517B CN 201911239532 A CN201911239532 A CN 201911239532A CN 110877517 B CN110877517 B CN 110877517B
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vehicle
high beam
light
lamp
coming
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CN110877517A (en
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周海峰
方艺鹏
王荣杰
张谅
谢祎
支远
林忠华
林世宪
马益民
雷慧
孙金余
张克锐
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Jimei University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/20—Accessories, e.g. wind deflectors, blinds
    • B60J1/2011—Blinds; curtains or screens reducing heat or light intensity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
    • B60J3/04—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles adjustable in transparency
    • 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
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The invention relates to a method, terminal equipment and storage medium for preventing strong light stimulation of a high beam, wherein the method comprises the following steps: s1: the detection device arranged on the vehicle is used for detecting the light intensity in front of and/or behind the vehicle and the light source position of the lamp of the coming vehicle in real time, and meanwhile, the camera device arranged on the vehicle is used for shooting the picture of the coming vehicle in front of or behind the coming vehicle in real time; s2: judging whether the lamp of the vehicle in front of and/or behind the vehicle is in a high beam state through the detection device and the camera device, if so, entering S3; otherwise, adjusting the shading screen on the front and/or rear windshield of the vehicle to be in a high-light-transmission state, and returning to the step S1; s3: and adjusting the shading screen on the windshield in front of and/or behind the vehicle to be in a low-light-transmission state, controlling the vehicle lamp to give out light reminding according to the corresponding traffic rule, and returning to the step S1. The invention judges the high beam in real time and prevents the stimulation of the light of the high beam to the driver by adjusting the transmittance of the shading screen and the light reminding.

Description

Method for preventing strong light stimulation of high beam, terminal equipment and storage medium
Technical Field
The invention relates to the field of vehicle light detection, in particular to a method for preventing strong light stimulation of a high beam, terminal equipment and a storage medium.
Background
The existing highlight-proof technology firstly wears colored eyes to prevent the highlight from irradiating, secondly utilizes a colored baffle plate to perform light-blocking treatment, and has a similar principle; for example, utility model patent publication No. CN 2896321: an automatic color-changing lens for preventing strong light irradiation comprises a lens frame 2, a liquid crystal lens 1, a liquid crystal controller 4 and a power supply, wherein the liquid crystal controller 4 is installed on the lens frame. The liquid crystal controller consists of a light control circuit, an oscillator and a driving circuit. The light control circuit can simultaneously control the working voltage of the oscillator and the driving circuit in two ways, so that the driving voltage of the liquid crystal lens can be linearly changed along with the change of the illumination light intensity, and the color-changing lens has the characteristics of wide application range, low power consumption, integration of a power supply and glasses, adjustable transparency under certain illumination light intensity, no flicker feeling of the lens when the illumination light intensity fluctuates up and down at a color-changing critical value, and the like. However, the method is inconvenient, firstly, the eyes are needed to be worn, the carrying is inconvenient, and secondly, the detection and the color change cannot be fast and reach the eye comfort degree; finally, supposing that the vehicle is in a high beam state, strong light stimulation can be brought to the driver of the opposite side when the vehicle meets, and accidents are easily caused; the shading treatment by the colored baffle plate can cause the defects that the sight line range is narrowed when no vehicles meet at night, the judgment capability of surrounding objects is weakened, and the like, and accidents are easily caused.
According to statistics, the number of times that car accidents occur at night is the largest, most car accidents except drunk driving are caused by the fact that when people drive cars, the switching of high beam lights and dipped headlights cannot be well applied, so that the sight of the opposite vehicle is stimulated by strong light during meeting, and the road, pedestrians and the coming cars cannot be seen clearly for a while, the obvious thing can be avoided by people, but most people cannot see the light rule; therefore, drivers have the situation that the sight of drivers is blocked due to the fact that the drivers abuse high beams (whether vehicles ahead or vehicles behind) when driving at night, and great threats are caused to the safety of the drivers.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method, a terminal device and a storage medium for preventing strong light stimulation of a high beam.
The specific scheme is as follows:
a method for preventing strong light stimulation of a high beam comprises the following steps:
s1: the detection device arranged on the vehicle is used for detecting the light intensity in front of and/or behind the vehicle and the light source position of the lamp of the coming vehicle in real time, and meanwhile, the camera device arranged on the vehicle is used for shooting the picture of the coming vehicle in front of or behind the coming vehicle in real time;
s2: judging whether the lamp of the vehicle in front of and/or behind the vehicle is in a high beam state through the detection device and the camera device, if so, entering S3; otherwise, adjusting the shading screen on the front and/or rear windshield of the vehicle to be in a high-light-transmission state, and returning to the step S1;
s3: and adjusting the shading screen on the windshield in front of and/or behind the vehicle to be in a low-light-transmission state, controlling the vehicle lamp to give out light reminding according to the corresponding traffic rule, and returning to the step S1.
Further, the detection device comprises an illumination intensity detector for detecting the light intensity and a position detector for detecting the position of a light source of the lamp of the coming vehicle.
Furthermore, the position detector is a double-axis detector, comprises an x axis and a y axis, the position detector is used as an original point, the x axis is along the driving direction of the vehicle, and the y axis is perpendicular to the ground.
Further, the method for determining the high beam state in step S2 includes:
s21: according to the light source position of the coming vehicle lamp detected by the detection device, judging whether an included angle between a connecting line of the light source of the coming vehicle lamp and the position detector and the driving direction of the vehicle is smaller than an included angle threshold value or not, and meanwhile, judging whether the distance between the coming vehicle and the vehicle is larger than a distance threshold value or not, if yes, entering S23; otherwise, go to S22;
s22: according to the picture of the coming vehicle shot by the camera device, the distance between the coming vehicle and the illumination intensity when the picture is shot are extracted, whether the distance between the coming vehicle and the vehicle is larger than the distance threshold value and the illumination intensity is larger than the illumination intensity threshold value are simultaneously judged, and if yes, the operation goes to S23; otherwise, judging that the lamp of the coming vehicle is not in a high beam state;
s23: judging whether the illumination intensity is greater than an illumination intensity threshold value or not according to the illumination intensity of the coming vehicle detected by the detection device, and if so, judging that the lamp of the coming vehicle is in a high beam state; otherwise, the lamp of the coming vehicle is judged not to be in the high beam state.
Furthermore, the control of the transmittance of the shading screen adopts PWM waveform control.
A terminal device for preventing strong light stimulation of high beam lamps, comprising a processor, a memory and a computer program stored in the memory and operable on the processor, wherein the processor implements the steps of the method of the embodiment of the present invention when executing the computer program.
A computer-readable storage medium, in which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to an embodiment of the invention as described above.
According to the technical scheme, the high beam is judged in real time, and further the stimulation of the light of the high beam to a driver is prevented by adjusting the transmittance of the shading screen and carrying out light reminding on an incoming vehicle, so that the driving safety of the driver is improved, and the occurrence probability of accidents is reduced.
Drawings
Fig. 1 is a flowchart illustrating a first embodiment of the present invention.
Detailed Description
To further illustrate the various embodiments, the invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures.
The invention will now be further described with reference to the accompanying drawings and detailed description.
The first embodiment is as follows:
the embodiment of the invention provides a method for preventing strong light stimulation of a high beam, which comprises the following steps as shown in figure 1:
s1: the detection device arranged on the vehicle detects the light intensity in front of and/or behind the vehicle and the light source position of the lamp of the coming vehicle in real time, and the camera device arranged on the vehicle shoots the picture of the coming vehicle in front of or behind the vehicle in real time.
The detection means in this embodiment comprise a position detector and an illumination intensity detector. The position detector is mainly used for detecting the position information of the light source, and preferably adopts a double-shaft detector in the embodiment, wherein the double-shaft detector comprises an x-axis and a y-axis, the x-axis is along the driving direction of the vehicle, and the y-axis is perpendicular to the ground by taking the position detector as an origin. The illumination intensity detector is used for detecting the illumination intensity.
S2: judging whether the lamp of the vehicle in front of and/or behind the vehicle is in a high beam state through the detection device and the camera device, if so, entering S3; otherwise, the screen on the windshield at the front and/or rear of the vehicle is adjusted to a high light transmission state, and the process returns to S1.
The specific determination method for the high beam state in this embodiment is as follows:
s21: according to the light source position of the coming vehicle lamp detected by the detection device, judging whether an included angle between a connecting line of the light source of the coming vehicle lamp and the position detector and the driving direction of the vehicle is smaller than an included angle threshold value or not, and meanwhile, judging whether the distance between the coming vehicle and the vehicle is larger than a distance threshold value or not, if yes, entering S23; otherwise, go to S22;
setting the coordinates of the position detector as the coordinates of the origin of coordinates (0,0) to establish a coordinate system, and setting the coordinates of the light source of the coming vehicle detected by the position detector as (X)0,Y0) If the included angle between the connecting line between the light source and the position detector and the horizontal axis (X axis) is theta, the angle is theta
Figure BDA0002305818090000051
Judging whether X is satisfied simultaneously0>XmaxAnd theta < thetamaxIf so, the process proceeds to S23, otherwise, the process proceeds to S22.
Wherein, XmaxDenotes a distance threshold value, thetamaxIndicating an angle threshold.
The set range of the light of the coming vehicle can be judged through the change of the included angle, if the coming vehicle is a dipped headlight, the irradiation range of the light is about 20-30 meters, the radiation distance is about 40-60 meters, that is, the light can be radiated into the position detector of the coming vehicle within the range of about 40-60 meters, if the light is a high beam, the range is about 100-150 meters, the radiation distance is about dozens of meters more than the focus, the distance and the included angle detected by the position detector of the coming vehicle are different from those of the dipped headlight, and the included angle of the high beam is far smaller than that of the dipped headlight. Therefore, in the determination of the high beam state in this embodiment, based on the difference between the high beam and the low beam in the illumination intensity and angle, since when the oncoming vehicle is outside the distance threshold from the own vehicle, if the included angle thereof is smaller than the angle threshold, the possibility that the oncoming vehicle is a high beam is high.
Since the distance of the high beam of the automobile is generally between 100 meters and 150 meters, and the detection distance of the detector can find the light source at about 500 meters, the distance threshold value can be set to 50 meters.
S22: according to the picture of the coming vehicle shot by the camera device, the distance between the coming vehicle and the illumination intensity when the picture is shot are extracted, whether the distance between the coming vehicle and the vehicle is larger than the distance threshold value and the illumination intensity is larger than the illumination intensity threshold value are simultaneously judged, and if yes, the operation goes to S23; otherwise, the lamp of the coming vehicle is judged not to be in the high beam state.
In the step, the existing neural network learning algorithm model can be learned and trained by using the pictures shot by the camera with the distance and the illumination intensity labeled in advance, so that the trained model can identify the distance and the illumination intensity of the input pictures.
In the step S21, the coming vehicle in the high beam state can be found with high probability through the position detector, but a missing situation may also occur, so that in the case that the high beam requirement is determined not to be met in the above step, the further determination through the shot picture of the coming vehicle in the step S22 needs to be performed, and the accuracy of the determination can be improved and the missing can be avoided by combining the two determination modes.
S23: judging whether the illumination intensity is greater than an illumination intensity threshold value or not according to the illumination intensity of the coming vehicle detected by the detection device, and if so, judging that the lamp of the coming vehicle is in a high beam state; otherwise, the lamp of the coming vehicle is judged not to be in the high beam state.
The illumination intensity of a general automobile high beam is 20000Lm, which is far greater than that of a low beam. Since the influence of strong light on human eyes is reduced by adjusting the transmittance of the shading screen, which is intended to be solved in this embodiment, the light intensity is a necessary determination condition. Therefore, it is necessary to determine the intensity of the incoming light in addition to the requirement for the appearance of the high beam at S21 and S22.
S3: and adjusting a shading screen on a windshield in front of and/or behind the vehicle to be in a low-light-transmission state, and simultaneously controlling the vehicle lamp to make light reminding according to corresponding traffic rules.
In the embodiment, the transmittance of the shading screen is controlled through the PWM waveform, so that the transmittance of the shading screen is reduced, and the light source is converted into a plurality of light sources which do not stimulate eyes after passing through the shading screen.
In this embodiment, the shading screen is an adjustable transparent glass screen, such as a color-changing glass, which is respectively installed on the windshield in front of the driver and the windshield behind the vehicle.
Light is reminded and is used for reminding the car that comes to convert the car light into the dipped headlight, can convert the car light into the dipped headlight state after carrying out light and reminding.
The embodiment of the invention judges the high beam in real time, and further realizes the purpose of preventing the stimulation of the light of the high beam to a driver by adjusting the transmittance of the shading screen and carrying out light reminding on an incoming vehicle, thereby increasing the driving safety of the driver and reducing the occurrence probability of accidents.
Example two:
the invention also provides terminal equipment for preventing strong light stimulation of high beam, which comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the computer program to realize the steps of the first method embodiment of the invention.
Further, as an executable scheme, the terminal device for preventing the high beam from being stimulated by strong light may be a vehicle-mounted computer, a cloud server, or other computing devices. The terminal device for preventing strong light stimulation of the high beam can include, but is not limited to, a processor and a memory. It is understood by those skilled in the art that the above-mentioned structure of the terminal device for preventing high-beam strong light stimulation is only an example of the terminal device for preventing high-beam strong light stimulation, and does not constitute a limitation on the terminal device for preventing high-beam strong light stimulation, and may include more or less components than the above-mentioned structure, or combine some components, or different components, for example, the terminal device for preventing high-beam strong light stimulation may further include an input/output device, a network access device, a bus, etc., which is not limited in this embodiment of the present invention.
Further, as an executable solution, the Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, and the like. The general processor can be a microprocessor or the processor can be any conventional processor, and the processor is a control center of the terminal equipment for preventing high-beam strong light stimulation, and various interfaces and lines are used for connecting various parts of the whole terminal equipment for preventing high-beam strong light stimulation.
The memory can be used for storing the computer program and/or the module, and the processor realizes various functions of the terminal device for preventing the high beam strong light stimulation by running or executing the computer program and/or the module stored in the memory and calling the data stored in the memory. The memory can mainly comprise a program storage area and a data storage area, wherein the program storage area can store an operating system and an application program required by at least one function; the storage data area may store data created according to the use of the mobile phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
The invention also provides a computer-readable storage medium, in which a computer program is stored, which, when being executed by a processor, carries out the steps of the above-mentioned method of an embodiment of the invention.
The integrated module/unit of the terminal device for preventing strong light stimulation of high beam can be stored in a computer readable storage medium if it is realized in the form of software functional unit and sold or used as an independent product. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM ), Random Access Memory (RAM), software distribution medium, and the like.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. A method for preventing strong light stimulation of a high beam is characterized by comprising the following steps:
s1: the detection device arranged on the vehicle is used for detecting the light intensity in front of and/or behind the vehicle and the light source position of the lamp of the coming vehicle in real time, and meanwhile, the camera device arranged on the vehicle is used for shooting the picture of the coming vehicle in front of or behind the coming vehicle in real time;
s2: judging whether the lamp of the vehicle in front of and/or behind the vehicle is in a high beam state through the detection device and the camera device, if so, entering S3; otherwise, adjusting the shading screen on the front and/or rear windshield of the vehicle to be in a high-light-transmission state, and returning to the step S1;
the method for judging the state of the high beam comprises the following steps:
s21: according to the light source position of the coming vehicle lamp detected by the detection device, judging whether an included angle between a connecting line of the light source of the coming vehicle lamp and the position detector and the driving direction of the vehicle is smaller than an included angle threshold value or not, and meanwhile, judging whether the distance between the coming vehicle and the vehicle is larger than a distance threshold value or not, if yes, entering S23; otherwise, go to S22;
s22: according to the picture of the coming vehicle shot by the camera device, the distance between the coming vehicle and the illumination intensity when the picture is shot are extracted, whether the distance between the coming vehicle and the vehicle is larger than the distance threshold value and the illumination intensity is larger than the illumination intensity threshold value are simultaneously judged, and if yes, the operation goes to S23; otherwise, judging that the lamp of the coming vehicle is not in a high beam state;
s23: judging whether the illumination intensity is greater than an illumination intensity threshold value or not according to the illumination intensity of the coming vehicle detected by the detection device, and if so, judging that the lamp of the coming vehicle is in a high beam state; otherwise, judging that the lamp of the coming vehicle is not in a high beam state;
s3: and adjusting the shading screen on the windshield in front of and/or behind the vehicle to be in a low-light-transmission state, controlling the vehicle lamp to give out light reminding according to the corresponding traffic rule, and returning to the step S1.
2. The method for preventing strong light stimulation of high beam lamps according to claim 1, wherein: the detection device comprises an illumination intensity detector for detecting the light intensity and a position detector for detecting the light source position of the coming vehicle lamp.
3. The method for preventing strong light stimulation of high beam lamps according to claim 2, wherein: the position detector is a double-axis detector and comprises an x axis and a y axis, the position detector is used as an original point, the x axis is along the driving direction of the vehicle, and the y axis is perpendicular to the ground.
4. The method for preventing strong light stimulation of high beam lamps according to claim 1, wherein: the control of the transmittance of the shading screen adopts the PWM waveform for control.
5. The utility model provides a prevent amazing terminal equipment of far-reaching headlamp highlight which characterized in that: comprising a processor, a memory and a computer program stored in the memory and running on the processor, the processor implementing the steps of the method according to any of claims 1 to 4 when executing the computer program.
6. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 4.
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CN115188218B (en) * 2022-06-28 2023-10-27 星河智联汽车科技有限公司 High beam reminding method, device and equipment during meeting and storage medium
CN116946006B (en) * 2023-09-21 2024-01-09 华域视觉科技(上海)有限公司 Control method of matrix type car lamp and car

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US20070047089A1 (en) * 2005-08-30 2007-03-01 Aris Mardirossian System and method of adjusting vehicle window transmission based on high beam detection
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