CN113665485A - Anti-glare system for front windshield of automobile and control method - Google Patents
Anti-glare system for front windshield of automobile and control method Download PDFInfo
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- CN113665485A CN113665485A CN202111002846.5A CN202111002846A CN113665485A CN 113665485 A CN113665485 A CN 113665485A CN 202111002846 A CN202111002846 A CN 202111002846A CN 113665485 A CN113665485 A CN 113665485A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 230000001502 supplementing effect Effects 0.000 claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims description 22
- 238000003384 imaging method Methods 0.000 claims description 21
- 230000000007 visual effect Effects 0.000 abstract description 5
- 238000005286 illumination Methods 0.000 abstract description 4
- 230000004313 glare Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004297 night vision Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/10—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used
- B60R2300/105—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used using multiple cameras
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/30—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing
- B60R2300/304—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing using merged images, e.g. merging camera image with stored images
Abstract
The invention discloses an anti-dazzle system for a front windshield of an automobile, which comprises: the camera device in the vehicle is used for determining the coordinates of the eyes of the driver; the vehicle exterior camera device is used for acquiring a vehicle front image in real time and converting the vehicle front image into a vehicle front image observed by human eye angles according to the coordinates and the human eye coordinates of the vehicle exterior camera device; the front windshield assembly comprises a front windshield euphotic layer positioned on the outer side in front and a front windshield display layer positioned on the inner side, and the front windshield display layer is used for displaying a vehicle front image observed by human eyes. The invention also discloses a control method of the anti-glare system of the front windshield of the automobile, which is used for carrying out image coordinate conversion after filtering and supplementing light on the collected front image of the automobile to form a front image of the automobile observed at the angle of human eyes and displaying the front image on a front windshield display layer. The invention automatically adjusts the incident illumination intensity of the front windshield and increases the visual field range of the driver.
Description
Technical Field
The invention relates to the technical field of automobile anti-glare, in particular to an anti-glare system for automobile front windshield and a control method.
Background
With the higher and higher occupancy rate of people-by-people vehicles, traffic safety becomes more and more important. In the driving process of a vehicle, the road condition is generally observed only by the eyes of a driver at present. If the light environment of the road is severe, for example, the sunlight is too strong, or the light of the high beam lamp of the opposite vehicle is too strong, the driver is easy to be dazzled, thereby causing safety accidents.
The existing anti-glare mode generally adopts an anti-glare sun shield, is directly arranged on a front CD plate of an automobile and consists of sunglasses and night vision goggles. When the sunlight is too strong in the daytime, the gray sunglasses are used for shielding the sunlight; at night, the light is insufficient, and yellow night vision goggles are used for brightening and preventing glare.
The existing anti-glare device needs to manually switch lenses for different illumination environments. For example, during daytime, the sunlight with strong brightness enters a dark tunnel, and if sunglasses are used, the road surface is not clearly seen. On the other hand, anti-glare over a wide field of view cannot be guaranteed. Glare can also cause drivers to be dazzled if glare is shone from the oblique side and not through the lens.
Disclosure of Invention
The present invention aims to overcome the defects of the prior art, and provides an anti-glare system for a front windshield of an automobile and a control method thereof, which can automatically adjust the incident illumination intensity of the front windshield and increase the visual field range of a driver.
In order to achieve the above object, the present invention provides an anti-glare system for a front windshield of an automobile, comprising:
the camera device in the vehicle is used for determining the coordinates of the eyes of the driver;
the vehicle exterior camera device is used for acquiring a vehicle front image in real time and converting the vehicle front image into a vehicle front image observed by human eye angles according to the coordinates and the human eye coordinates of the vehicle exterior camera device;
the front windshield assembly comprises a front windshield euphotic layer positioned on the outer side in front and a front windshield display layer positioned on the inner side, and the front windshield display layer is used for displaying an image in front of the vehicle observed by the angle of human eyes.
Furthermore, the vehicle exterior camera device comprises a light filtering module and a light supplementing module, wherein the light filtering module is used for filtering the part of the image in front of the vehicle, the brightness of which is greater than the brightness upper limit value, and the light supplementing module is used for supplementing light to the part of the image in front of the vehicle, the brightness of which is less than the brightness lower limit value.
Furthermore, a plurality of optical sensors are arranged between the front windshield euphotic layer and the front windshield display layer, and the optical sensors are in communication connection with the camera device outside the vehicle.
The automobile body further comprises an A-pillar display layer, wherein the A-pillar display layer is arranged on the inner side of the A-pillar and forms a continuous display surface with the front windshield display layer.
The automobile door lock anti-dazzle system further comprises a power supply controller and a low-voltage power supply, wherein the power supply controller is in communication connection with a door lock position sensor and a seat pressure sensor, and the power supply controller is used for controlling the low-voltage power supply to supply power to the front windshield anti-dazzle system when the fact that the door is unlocked or the seat pressure exceeds a pressure set value is detected.
The invention also provides a control method of the anti-dazzle system of the front windshield of the automobile based on the anti-dazzle system of the front windshield of the automobile, which is characterized by comprising the following steps: the method comprises the steps of collecting images in front of a vehicle and images of human eyes of a driver in real time, obtaining coordinates of the human eyes of the driver according to the images of the human eyes of the driver, carrying out image coordinate conversion according to optical center coordinates and the coordinates of the human eyes of an external camera device, converting the collected images in front of the vehicle into images in front of the vehicle observed at the angles of the human eyes, and displaying the images on a front windshield display layer.
Furthermore, after the image in front of the vehicle is collected in real time, the part of the image in front of the vehicle, the brightness of which is greater than the brightness upper limit value, is filtered, and the part of the image in front of the vehicle, the brightness of which is less than the brightness lower limit value, is supplemented with light.
The method for acquiring the human eye coordinates further comprises the steps of acquiring images of a driver through two in-vehicle camera devices at different positions respectively to obtain imaging coordinates of human eyes on imaging planes of the two in-vehicle camera devices, taking the optical center of the in-vehicle camera device as a starting point as rays passing through the human eye imaging coordinates, and taking the intersection point coordinates of the two rays as the human eye coordinates.
Furthermore, the method also comprises the steps of respectively collecting images in front of the vehicle at a plurality of different angles, carrying out image fitting to obtain a fitting image after obtaining a plurality of images in front of the vehicle observed at the angle of human eyes, and displaying the fitting image on a front windshield display layer and an A-pillar display layer.
The method for converting the image coordinates comprises the steps of acquiring coordinates of each point in an image in front of a vehicle in a vehicle coordinate system according to an acquired image in front of the vehicle and optical center coordinates of an image pickup device outside the vehicle in the vehicle coordinate system, establishing a human eye coordinate system by taking human eyes as a coordinate origin, obtaining coordinates of each point in the image in front of the vehicle in the human eye coordinate system through coordinate conversion, connecting each point of the image in front of the vehicle in the human eye coordinate system with the human eyes, obtaining an intersection point of the connection line on a front wind shielding display layer, and obtaining coordinates of each point of the image in front of the vehicle on the front wind shielding display layer.
The invention has the beneficial effects that:
1. the incident illumination intensity of the front windshield is automatically adjusted. The invention obtains the brightness of the incident sunlight through the optical sensor positioned between the front wind-proof light-transmitting layer and the front wind-proof display layer, the vehicle exterior camera device filters the part with over-high brightness in the front image of the vehicle, supplements the light for the part with over-low brightness, and displays the front image of the vehicle after filtering or supplementing the light on the front wind-proof display layer after image coordinate conversion, thereby not only avoiding the glare caused by high brightness, but also avoiding the difficulty of object recognition caused by low brightness.
2. The visual field range of the driver is increased. The vehicle exterior camera device is positioned outside the front windshield assembly, the view field of the acquired vehicle front image is wider than that of a driver, and meanwhile, the acquired vehicle front image is displayed on a front windshield display layer and an A-pillar display layer, so that part of the view field shielded by an outer vehicle cabin cover and a vehicle A-pillar can be displayed, the view field range of the driver is enlarged, and the driving safety is improved.
3. The accuracy of the position and shape of the image in front of the vehicle is improved. The vehicle front image is displayed on the front wind shielding display layer after being subjected to image coordinate conversion, so that the position of the vehicle front image observed by the human eye angle of a driver is consistent with the position of a real image, the vehicle front image is respectively collected through a plurality of vehicle exterior camera devices with different angles, the three-dimensional shape fitting of the image is carried out after the image coordinate conversion to obtain a fitting image, and the fitting image is displayed on the front wind shielding display layer.
Drawings
Fig. 1 is a schematic structural view of an anti-glare system of a front windshield of an automobile.
Fig. 2 is a flow chart of the anti-glare method for the front windshield of the automobile.
Fig. 3 is a schematic structural view of a front windshield assembly.
Fig. 4 is a schematic diagram of acquiring coordinates of human eyes.
Fig. 5 is a schematic diagram of the coordinate conversion of the image in front of the vehicle.
The components in the figures are numbered as follows: the device comprises a front windshield euphotic layer 1, a light sensor 2, a front windshield display layer 3, an A-pillar display layer 4, an external camera device 5, a light filtering module 501, a light supplementing module 502, an image fitting module 503, an internal camera device 6, a door lock position sensor 7, a seat pressure sensor 8, a power supply controller 9 and a low-voltage power supply 10.
Detailed Description
The following detailed description is provided to further explain the claimed embodiments of the present invention in order to make it clear for those skilled in the art to understand the claims. The scope of the invention is not limited to the following specific examples. It is intended that the scope of the invention be determined by those skilled in the art from the following detailed description, which includes claims that are directed to this invention.
As shown in fig. 1 and 3, the present invention provides an anti-glare system for a front windshield of an automobile, which includes a plurality of external cameras 5, wherein the external cameras 5 are respectively connected with a front windshield transparent layer 1, an optical sensor 2, an a-pillar display layer 4, and two internal cameras 6 in communication, and are respectively electrically connected with a low voltage power supply 10, the low voltage power supply 10 is connected with a power supply controller 9 in communication, and the power supply controller 9 is further connected with a door lock position sensor 7 and a seat pressure sensor 8 in communication.
The two in-vehicle camera devices 6 are arranged in the vehicle and are arranged in parallel along the transverse direction of the vehicle at equal height and used for determining the coordinates of the eyes of the driver and outputting the coordinates of the eyes to the camera device 5 outside the vehicle.
The vehicle exterior camera device 5 is provided with a plurality of camera devices around the outer side of the front windshield assembly and used for acquiring images in front of the vehicle in real time, the vehicle exterior camera device 5 comprises a light filtering module 501 and a light supplementing module 502, the light filtering module 501 is used for filtering the part of the images in front of the vehicle, of which the brightness is greater than the brightness upper limit value, and the light supplementing module 502 is used for supplementing light to the part of the images in front of the vehicle, of which the brightness is less than the brightness lower limit value. The vehicle exterior imaging device 5 converts the filtered or supplemented vehicle front image into a vehicle front image observed at a human eye angle according to the coordinates of the vehicle exterior imaging device 5 and the human eye coordinates.
The front windshield assembly comprises a front windshield euphotic layer 1 positioned on the outer side in front and a front windshield display layer 3 positioned on the inner side, the front windshield display layer 3 is used for displaying an image in front of a vehicle observed by a human eye angle, a plurality of optical sensors 2 are arranged between the front windshield euphotic layer 1 and the front windshield display layer 3, and the optical sensors 2 output acquired incident light brightness to the camera device 5 outside the vehicle.
The a-pillar display layer 4 is disposed on the vehicle inside of the a-pillar, and forms a continuous display surface with the front windshield display layer 3. Therefore, partial visual field blocked by the A column of the vehicle can be displayed, the visual field range of the driver is enlarged, and the driving safety is improved.
And the power supply controller 9 is used for controlling the low-voltage power supply 10 to supply power to the front windshield anti-glare system when detecting that the vehicle door is unlocked or the seat pressure exceeds a pressure set value. Therefore, the whole anti-dazzle system is started only when the car door is in an opening state or when a person exists in the car, and electric energy is saved.
As shown in fig. 2, 4 and 5, the method for controlling the anti-glare system for the front windshield of the automobile comprises the following steps:
1, when detecting that the vehicle door is unlocked or the seat pressure exceeds a pressure set value, starting a front windshield anti-glare system. Therefore, the whole system is started to work only when a person is ready to enter or is already seated in the vehicle, and electric energy is saved.
2. The plurality of vehicle exterior photographing devices 5 acquire a plurality of vehicle front images in real time, the filtering module 501 filters the part of the vehicle front images with the brightness larger than the brightness upper limit value, and the light supplementing module 502 supplements the light for the part of the vehicle front images with the brightness smaller than the brightness lower limit value; meanwhile, the two vehicle exterior cameras 6 collect images of human eyes of the driver.
3. And obtaining the eye coordinates of the driver according to the eye image of the driver. The specific process is that the images of the driver are obtained through the two in-vehicle camera devices 6 at different positions respectively, imaging coordinates of human eyes on imaging planes of the two in-vehicle camera devices 6 are obtained, rays passing through the imaging coordinates of the human eyes are made by taking the optical center of the in-vehicle camera devices 6 as a starting point, and the coordinates of the intersection point of the two rays are the coordinates of the human eyes.
As shown in fig. 4, the point P (X, Y, Z) is a human eye coordinate, the optical centers of the two in-vehicle cameras 6 are OL (0,0,0) and OR (d,0,0), respectively, d is an optical center distance of the two in-vehicle cameras 6, the human eye is located at a point PL on the imaging plane of the left in-vehicle camera 6, the human eye is located at a point PR on the imaging plane of the right in-vehicle camera 6, with OL as an origin, a connecting line of OL and OR as an X axis, a vehicle vertical direction as a Z axis, and a coordinate system of the in-vehicle camera is established with an axis perpendicular to an XZ plane as a Y axis.
4. The method comprises the steps of carrying out image coordinate conversion according to an optical center coordinate and a human eye coordinate of an exterior camera device 5, obtaining coordinates of each point in an image in front of a vehicle in a vehicle coordinate system according to an acquired image in front of the vehicle and the optical center coordinate of the exterior camera device 5 in the vehicle coordinate system, establishing a human eye coordinate system by taking human eyes as a coordinate origin, obtaining the coordinates of each point in the image in front of the vehicle in the human eye coordinate system through coordinate conversion, connecting each point of the image in front of the vehicle in the human eye coordinate system with human eyes, obtaining an intersection point of the connecting line on a front wind shielding display layer 3 and an A column display layer 4, and obtaining the coordinates of each point of the image in front of the vehicle on the front wind shielding display layer 3 and the A column display layer 4.
As shown in fig. 5, the following coordinate system is first established.
Vehicle coordinate system: namely, the middle point of the ground in front of the automobile is taken as an origin O, the horizontal forward direction is the positive direction of a Z axis, the horizontal rightward direction is the positive direction of an X axis, and the vertical downward direction is the positive direction of a Y axis.
Vehicle exterior camera coordinate system: the optical center Fc of the vehicle exterior imaging device is used as an origin, and the Z-axis is the direction right in front of the vehicle exterior imaging device, the Y-axis is downward, and the X-axis is rightward, when observed at the rear of the vehicle exterior imaging device.
Imaging plane coordinate system: and a two-dimensional coordinate system, wherein the position of the pixel is expressed by a physical length unit, the origin of the coordinate is the intersection position of the optical axis of the camera and the imaging plane, and the coordinate system is o-x-y in the figure 5.
Pixel coordinate system: and in a two-dimensional coordinate system, the coordinate origin is at the upper left corner W point in FIG. 5, and the directions of the U axis and the V axis are rightward and downward respectively. The coordinate system is in pixel units with obvious range limitations, namely pixel length and pixel width for representing a full image.
The pixel coordinate system is converted into the coordinate system of the vehicle exterior camera device:
the point (u, v) in the pixel coordinate system corresponds to the point (Xc, Yc, Zc) in the coordinate system of the vehicle exterior image pickup device, and the default vehicle exterior image pickup device vertically projects
Where θ is the projection angle of the vehicle exterior image capturing device, the default is 90 degrees, fu and fv respectively represent how many pixels one length unit (for example, 1mm) corresponds to in the x and y axis directions, and (Cu and Cv) represent the position of the optical center of the vehicle exterior image capturing device in the pixel coordinate system.
The coordinate system of the camera outside the vehicle is converted into a vehicle coordinate system:
the coordinate system of the vehicle exterior camera device cannot be translated to the coordinate system of the vehicle because the vehicle exterior camera device has certain errors during installation. Points (Xc, Yc, Zc) in the coordinate system of the vehicle exterior image pickup device correspond to points (Xw, Yw, Zw) in the coordinate system of the vehicle exterior image pickup device
The rotation matrix R is composed of three rotation amounts of pitch, yaw, and roll, which are defined as rotation angles around the x-axis, y-axis, and z-axis when the coordinate system of the vehicle exterior camera is converted to the coordinate system of the vehicle. And observing by looking at the origin in the positive direction of the coordinate axis of the rotation center, wherein the anticlockwise rotation is positive and the clockwise rotation is negative. The rotation sequence is roll > yaw > pitch.
The conversion sequence of converting points in the vehicle coordinate system to the coordinate system of the vehicle exterior camera device is translation and rotation. The offset matrix t is formed by multiplying the R matrix by three offset values of the vehicle exterior imaging device in the x axis, the y axis and the z axis, and also represents coordinates of the origin of the vehicle exterior imaging device coordinate system in the vehicle coordinate system.
After the coordinate system and the conversion relation between the coordinate system and the coordinate system are established, the process of converting the image coordinate of the image in front of the vehicle comprises the following steps:
A. combining internal parameters (focal length, field angle and anti-distortion parameters) of the camera, converting coordinates of each point in an image in front of the vehicle from an imaging coordinate system into a coordinate system of the camera outside the vehicle by the camera outside the vehicle relative to coordinates of a vehicle body, converting the coordinates into a coordinate system of the vehicle, and calculating corresponding world coordinates in the image;
B. then, establishing a human eye coordinate system by taking human eyes P (X, Y, Z) of the driver as a coordinate origin, and solving human eye coordinates corresponding to each point in the image in front of the vehicle through coordinate translation;
C. the human eyes of a driver are taken as a camera, and the image is converted into pixel coordinates on the front windshield display layer and the A-pillar display layer through the conversion of a vehicle coordinate system, an external camera device coordinate system and a pixel coordinate system.
5. And fitting the images and displaying. And fitting and correcting pixel points of the images in front of the vehicle under the same coordinate on the front windshield display layer 3 and the A-pillar display layer 4, wherein the average value of the chromaticity, the brightness, the contrast and the saturation of the pixel points under the same coordinate is obtained by adopting a method which can be adopted, so that the fitted image is obtained and displayed on the corresponding coordinate positions of the front windshield display layer 3 and the A-pillar display layer 4.
Claims (10)
1. An anti-glare system for a front windshield of an automobile, comprising:
the in-vehicle camera device (6) is used for determining the coordinates of the eyes of the driver;
the vehicle exterior camera device (5) is used for acquiring a vehicle front image in real time and converting the vehicle front image into a vehicle front image observed by human eye angles according to the coordinates of the vehicle exterior camera device (5) and the human eye coordinates;
the front windshield assembly comprises a front windshield euphotic layer (1) positioned on the outer side in front and a front windshield display layer (3) positioned on the inner side, wherein the front windshield display layer (3) is used for displaying a front image of a vehicle observed by human eyes.
2. The automotive front windshield antiglare system of claim 1, wherein: the vehicle exterior camera device (5) comprises a light filtering module (501) and a light supplementing module (502), wherein the light filtering module (501) is used for filtering the part of the image in front of the vehicle, of which the brightness is greater than the brightness upper limit value, and the light supplementing module (502) is used for supplementing light to the part of the image in front of the vehicle, of which the brightness is less than the brightness lower limit value.
3. The automotive front windshield antiglare system of claim 1, wherein: a plurality of optical sensors (2) are arranged between the front wind-shielding euphotic layer (1) and the front wind-shielding display layer (3), and the optical sensors (2) are in communication connection with a vehicle-mounted camera device (5).
4. The automotive front windshield antiglare system of claim 1, wherein: the automobile front windshield display device is characterized by further comprising an A-pillar display layer (4), wherein the A-pillar display layer (4) is arranged on the inner side of the A-pillar and forms a continuous display surface with the front windshield display layer (3).
5. The automotive front windshield antiglare system of claim 1, wherein: the automobile door lock anti-dazzle system further comprises a power supply controller (9) and a low-voltage power supply (10), the power supply controller (9) is in communication connection with a door lock position sensor (7) and a seat pressure sensor (8), and the power supply controller (9) is used for controlling the low-voltage power supply (10) to supply power to the front windshield anti-dazzle system when the fact that a door is unlocked or the seat pressure exceeds a pressure set value is detected.
6. A method for controlling an anti-glare system for a front windshield of an automobile according to any one of claims 1 to 5, characterized in that: the method comprises the steps of collecting images in front of a vehicle and images of human eyes of a driver in real time, obtaining coordinates of the human eyes of the driver according to the images of the human eyes of the driver, carrying out image coordinate conversion according to optical center coordinates and the coordinates of the human eyes of an external camera device (5), converting the collected images in front of the vehicle into images in front of the vehicle observed at the angles of the human eyes, and displaying the images on a front windshield display layer (3).
7. The method for controlling an anti-glare system for a front windshield of an automobile according to claim 6, wherein: after the front image of the vehicle is collected in real time, filtering the part of the front image of the vehicle, the brightness of which is greater than the brightness upper limit value, and supplementing light to the part of the front image of the vehicle, the brightness of which is less than the brightness lower limit value.
8. The method for controlling an anti-glare system for a front windshield of an automobile according to claim 6, wherein: the method for acquiring the coordinates of the human eyes comprises the steps of acquiring images of a driver through two in-vehicle camera devices (6) at different positions respectively, acquiring imaging coordinates of the human eyes on imaging planes of the two in-vehicle camera devices (6), taking the optical center of the in-vehicle camera devices (6) as a starting point as rays passing through the imaging coordinates of the human eyes, and taking the intersection coordinates of the two rays as the coordinates of the human eyes.
9. The method for controlling an anti-glare system for a front windshield of an automobile according to claim 6, wherein: the method further comprises the steps of collecting images in front of the vehicle through a plurality of different angles, carrying out image fitting to obtain fitted images after obtaining a plurality of images in front of the vehicle observed at the angle of human eyes, and displaying the fitted images on a front windshield display layer (3) and an A-pillar display layer.
10. The method for controlling an anti-glare system for a front windshield of an automobile according to claim 6, wherein: the image coordinate conversion method comprises the steps of obtaining coordinates of all points in an image in front of a vehicle in a vehicle coordinate system according to an acquired image in front of the vehicle and optical center coordinates of an image pickup device (5) outside the vehicle in the vehicle coordinate system, establishing a human eye coordinate system by taking human eyes as a coordinate origin, obtaining coordinates of all points in the image in front of the vehicle in the human eye coordinate system through coordinate conversion, connecting all points in the image in front of the vehicle in the human eye coordinate system with the human eyes, obtaining intersection points of the connecting lines on a front windshield display layer (3), and obtaining coordinates of all points in the image in front of the vehicle on the front windshield display layer (3).
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007276766A (en) * | 2006-03-15 | 2007-10-25 | Omron Corp | Monitoring device and method, recording medium, and program |
| CN101470287A (en) * | 2007-12-27 | 2009-07-01 | 比亚迪股份有限公司 | Anti-dazzle apparatus and method for vehicle |
| CN203630385U (en) * | 2013-12-31 | 2014-06-04 | 浙江大华技术股份有限公司 | A combined type optical filter, a optical filter switching mechanism and a monitor camera |
| CN108657184A (en) * | 2018-07-06 | 2018-10-16 | 京东方科技集团股份有限公司 | Vehicle DAS (Driver Assistant System), method, apparatus and storage medium |
| CN109305105A (en) * | 2018-11-29 | 2019-02-05 | 北京车联天下信息技术有限公司 | A kind of pillar A blind monitoring device, vehicle and method |
| CN110135235A (en) * | 2019-03-13 | 2019-08-16 | 北京车和家信息技术有限公司 | A kind of dazzle processing method, device and vehicle |
| CN110203140A (en) * | 2019-06-28 | 2019-09-06 | 威马智慧出行科技（上海）有限公司 | Automobile augmented reality display methods, electronic equipment, system and automobile |
| CN111923835A (en) * | 2020-08-13 | 2020-11-13 | 启明信息技术股份有限公司 | Vehicle-based rearview display method |
| CN112298039A (en) * | 2020-09-27 | 2021-02-02 | 浙江合众新能源汽车有限公司 | A-column imaging method |
| CN112693397A (en) * | 2019-10-22 | 2021-04-23 | 福特全球技术公司 | Vehicle exterior imaging system |
-
2021
- 2021-08-30 CN CN202111002846.5A patent/CN113665485B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007276766A (en) * | 2006-03-15 | 2007-10-25 | Omron Corp | Monitoring device and method, recording medium, and program |
| CN101470287A (en) * | 2007-12-27 | 2009-07-01 | 比亚迪股份有限公司 | Anti-dazzle apparatus and method for vehicle |
| CN203630385U (en) * | 2013-12-31 | 2014-06-04 | 浙江大华技术股份有限公司 | A combined type optical filter, a optical filter switching mechanism and a monitor camera |
| CN108657184A (en) * | 2018-07-06 | 2018-10-16 | 京东方科技集团股份有限公司 | Vehicle DAS (Driver Assistant System), method, apparatus and storage medium |
| CN109305105A (en) * | 2018-11-29 | 2019-02-05 | 北京车联天下信息技术有限公司 | A kind of pillar A blind monitoring device, vehicle and method |
| CN110135235A (en) * | 2019-03-13 | 2019-08-16 | 北京车和家信息技术有限公司 | A kind of dazzle processing method, device and vehicle |
| CN110203140A (en) * | 2019-06-28 | 2019-09-06 | 威马智慧出行科技（上海）有限公司 | Automobile augmented reality display methods, electronic equipment, system and automobile |
| CN112693397A (en) * | 2019-10-22 | 2021-04-23 | 福特全球技术公司 | Vehicle exterior imaging system |
| CN111923835A (en) * | 2020-08-13 | 2020-11-13 | 启明信息技术股份有限公司 | Vehicle-based rearview display method |
| CN112298039A (en) * | 2020-09-27 | 2021-02-02 | 浙江合众新能源汽车有限公司 | A-column imaging method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114495510A (en) * | 2022-04-15 | 2022-05-13 | 四川九通智路科技有限公司 | Expressway Internet of things driving safety management system and method |
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