CN116127607A - Method and system for checking vehicle exterior rearview mirror - Google Patents
Method and system for checking vehicle exterior rearview mirror Download PDFInfo
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- CN116127607A CN116127607A CN202310169800.5A CN202310169800A CN116127607A CN 116127607 A CN116127607 A CN 116127607A CN 202310169800 A CN202310169800 A CN 202310169800A CN 116127607 A CN116127607 A CN 116127607A
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Abstract
The invention relates to a checking method and a checking system for an external rearview mirror of a vehicle, wherein the checking method comprises the following steps: building a vehicle model and arranging the rearview mirror at an initial position; assuming an eye point as a light source point, and forming a driver visual field area by making a union of sight ranges of light rays emitted by the eye point after specular reflection; making a regulation area at a preset position according to regulation requirements; and judging whether the visual field area of the driver contains the regulation area, if so, meeting the check requirement, and if not, adjusting the parameters of the rearview mirror until meeting the check requirement. The area formed by the specular reflection of the light emitted by the eyepoint serving as the light source point is compared with the regulated area, so that whether the arrangement position of the rearview mirror meets the check requirement or not is judged, the visual field regulation requirement is directly quantized to the design check time, the accuracy of the check result is improved, and the check flow is simplified.
Description
Technical Field
The invention relates to the field of checking of exterior rearview mirrors of vehicles, in particular to a method and a system for checking an exterior rearview mirror of a vehicle.
Background
At present, the driver-side main outside view should meet the requirement that the driver can see a horizontal road surface portion at least 5m wide, defined by a plane parallel to the vehicle longitudinal reference plane and passing through the furthest point of the driver-side vehicle, and extending from 30m behind the driver's eye point to the horizon. At the same time, the driver should be able to see a road surface 1m wide, defined by a plane parallel to the longitudinal reference plane of the vehicle and passing through the furthest point of the vehicle, starting from a point 4m behind the vertical plane passing through both eyes of the driver (see fig. 1). The primary outside view on the occupant side should be such that the driver can see at least a horizontal road surface portion 5m wide, defined by a plane on the occupant side parallel to the vehicle longitudinal reference plane and passing through the furthest point of the vehicle on the occupant side, and extending from 30m behind the driver's eye point to the horizon. At the same time, the driver should be able to see the road surface defined by a plane parallel to the longitudinal reference plane of the vehicle and passing through the furthest point of the vehicle, starting from a point 4m behind the vertical plane passing through the eyes of the driver.
However, the requirement of the indirect visual field regulation of the external rearview mirror of the commercial vehicle cannot be directly quantized to be judged when the design checking is carried out, the checking result accuracy is not high, and the checking process is inconvenient.
Disclosure of Invention
The embodiment of the invention provides a vehicle exterior rearview mirror checking method and system, which are used for solving the problems that in the related art, the indirect field of view regulation requirement of a commercial vehicle exterior rearview mirror cannot be directly quantized to be judged when design checking is carried out, the accuracy of a checking result is not high, and the checking process is inconvenient.
In a first aspect, a method for checking an exterior mirror of a vehicle is provided, which includes the steps of: building a vehicle model and arranging the rearview mirror at an initial position; assuming an eye point as a light source point, and forming a driver visual field area by making a union of sight ranges of light rays emitted by the eye point after specular reflection; making a regulation area at a preset position according to regulation requirements; and judging whether the visual field area of the driver contains the regulation area, if so, meeting the check requirement, and if not, adjusting the parameters of the rearview mirror until meeting the check requirement.
In some embodiments, the vehicle exterior mirror verification method further comprises: respectively selecting a plurality of points on the front boundary and the rear boundary of a container of the vehicle as light source points, imaging on the rearview mirror, and confirming an imaging area of the container; calculating the ratio of the size of the imaging area of the container on the mirror surface of the rearview mirror, judging whether the ratio is in a set range, if so, meeting the checking requirement, and if not, adjusting the parameters of the rearview mirror until meeting the checking requirement.
In some embodiments, the selecting a plurality of points on a front boundary and a rear boundary of a cargo box of the vehicle as light source points, imaging on the rearview mirror, and confirming an imaging area of the cargo box includes: respectively selecting a plurality of points on the front boundary and the rear boundary of the container as light source points, imaging on the rearview mirror, and confirming corresponding imaging points; and connecting imaging points corresponding to the light source points of the front boundary of the container to form a front boundary imaging line of the container, connecting imaging points corresponding to the light source points of the rear boundary of the container to form a rear boundary imaging line of the container, and obtaining a region between the front boundary imaging line of the container and the rear boundary imaging line of the container as a container imaging region.
In some embodiments, selecting a plurality of points on the front and rear container boundaries as light source points, imaging on the rearview mirror, and identifying corresponding imaging points includes: connecting the light source point, the eye point and the center of the mirror surface curved surface to determine a plane; and finding out an imaging point corresponding to the light source point on the intersection line of the plane and the mirror surface.
In some embodiments, the vehicle exterior mirror verification method further comprises: judging whether the distance between the front boundary imaging line of the container and the rear boundary imaging line of the container is within a set range, if so, meeting the checking requirement, and if not, adjusting the parameters of the rearview mirror until meeting the checking requirement.
In some embodiments, the vehicle exterior mirror verification method further comprises: and judging whether the imaging point of the rear upper corner of the container is positioned in the mirror surface, if so, meeting the checking requirement, and if not, adjusting the parameters of the rearview mirror until meeting the checking requirement.
In a second aspect, there is provided a vehicle exterior mirror verification system comprising: a model building module for building a vehicle model and arranging the rearview mirror at an initial position; the first drawing module is used for assuming an eye point as a light source point, forming a union of sight ranges of the light rays emitted by the eye point after specular reflection, forming a driver visual field area and making a regulation area at a preset position according to regulation requirements; and the first judging module is used for judging whether the visual field area of the driver contains the regulation area, if so, the checking requirement is met, and if not, the parameters of the rearview mirror are adjusted until the checking requirement is met.
In some embodiments, the vehicle exterior mirror verification system further comprises: a second mapping module for selecting a plurality of points on a front container boundary and a rear container boundary of the vehicle as light source points, imaging on the rearview mirror, and confirming a container imaging area; and the second judging module is used for calculating the duty ratio of the size of the container imaging area on the mirror surface of the rearview mirror, if the duty ratio is within a set range, the checking requirement is met, and if the duty ratio is not, the parameters of the rearview mirror are adjusted until the checking requirement is met.
In some embodiments, the second mapping module is further configured to select a plurality of points on a front boundary of the cargo box and a rear boundary of the cargo box as light source points, image the light source points on the rearview mirror, and confirm corresponding imaging points; and connecting imaging points corresponding to the light source points of the front boundary of the container to form a front boundary imaging line of the container, connecting imaging points corresponding to the light source points of the rear boundary of the container to form a rear boundary imaging line of the container, and obtaining a region between the front boundary imaging line of the container and the rear boundary imaging line of the container as a container imaging region.
In some embodiments, the second mapping module is further configured to connect the light source point, the eye point, and the center of the mirror surface curved surface, and determine a plane; and finding out an imaging point corresponding to the light source point on the intersection line of the plane and the mirror surface.
The technical scheme provided by the invention has the beneficial effects that:
the embodiment of the invention provides a vehicle exterior rearview mirror checking method and a system, wherein an area formed by specularly reflecting light emitted by an eye point serving as a light source point is compared with a regulated area, so that whether the arrangement position of a rearview mirror meets checking requirements or not is judged, the visual field regulation requirements are directly quantized to be judged when the design checking is carried out, the accuracy of a checking result is improved, and the checking flow is simplified.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of step 2 in a checking method of an exterior mirror of a vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of step 4 in the checking method of the exterior rearview mirror of the vehicle according to the embodiment of the invention;
fig. 3 is a schematic structural diagram of step 5 in the checking method of the exterior mirror of the vehicle according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of step 6 in the checking method of the exterior mirror of the vehicle according to the embodiment of the present invention.
Reference numerals in the drawings:
1. a field-of-view viewable area; 2. a regulatory region; 3. a container front boundary imaging line; 4. a cargo box rear boundary imaging line; 5. rearview mirror lenses; 6. an incident ray; 7. a reflection line; 8. eye points; 9. a mirror center; 10. edge points of the container; 11. imaging points.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention provides a vehicle exterior rearview mirror checking method and system, which can solve the problems that in the related art, the requirement of an indirect vision rule of a commercial vehicle exterior rearview mirror cannot be directly quantized to be judged when design checking is carried out, the accuracy of a checking result is not high, and the checking process is inconvenient.
Referring to fig. 1, a method for checking an exterior mirror of a vehicle according to an embodiment of the present invention may include the following steps:
and 4, judging whether the visual field area of the driver contains the regulated area 2, if so, meeting the check requirement, and if not, adjusting parameters of the rearview mirror until meeting the check requirement.
In this embodiment, the visual field visible area 1 formed by specularly reflecting the light emitted by the eye point serving as the light source point is compared with the regulation area 2, so as to determine whether the arrangement position of the rearview mirror meets the check requirement, and the visual field regulation requirement is directly quantized to be determined when the design check is performed by a three-dimensional software (CATIA, etc.) check method, so that the boundary condition and the determination standard are defined, the accuracy of the check result is improved, and the check flow is simplified.
Referring to fig. 1 and 2, in some embodiments, the method for checking an exterior mirror of a vehicle may further include: respectively selecting a plurality of points on the front boundary and the rear boundary of a container of the vehicle as light source points, imaging on the rearview mirror, and confirming an imaging area of the container; calculating the ratio of the size of the imaging area of the container on the mirror surface of the rearview mirror, judging whether the ratio is in a set range, if so, meeting the checking requirement, and if not, adjusting the parameters of the rearview mirror until meeting the checking requirement. In this embodiment, subjective evaluation requirements of the rearview mirror of the commercial vehicle include that a driver can observe the front boundary of the container and the rear boundary of the container through the left and right outer rearview mirrors at the same time, and when the imaging size of the side container occupies 1/3 of the position of the whole mirror surface, the driving safety is higher, and the subjective evaluation requirements of the ratio of the size of the imaging area of the container on the mirror surface of the rearview mirror are directly quantized to be judged when the design check is carried out, so that the accuracy of the check result is further improved, and the check flow is simplified.
Referring to fig. 3 and 4, in some embodiments, the selecting a plurality of points on a front boundary of a cargo box and a rear boundary of the cargo box of the vehicle as light source points, imaging on the rearview mirror, and confirming an imaging area of the cargo box may include: step 5, respectively selecting a plurality of points on the front boundary and the rear boundary of the container as light source points, imaging on the rearview mirror, and confirming corresponding imaging points; and 6, connecting imaging points corresponding to a plurality of light source points of the front boundary of the container to form a front boundary imaging line 3 of the container, connecting imaging points corresponding to a plurality of light source points of the rear boundary of the container to form a rear boundary imaging line 4 of the container, wherein the region between the front boundary imaging line 3 of the container and the rear boundary imaging line 4 of the container is the imaging region of the container.
Referring to fig. 3 and 4, in some embodiments, selecting a plurality of points on the front and rear container boundaries, respectively, as light source points, imaging on the rearview mirror, and identifying corresponding imaging points includes: connecting the light source point, the eye point and the center of the mirror surface curved surface to determine a plane; in this embodiment, a curved surface imaging rule is utilized, a line connecting the imaging point and the light source point is used as an incident line, a line connecting the imaging point and the eye point is used as a reflection line, and a line connecting the imaging point and the center of the curved surface of the mirror surface is used as a normal line, so that the imaging point should satisfy that an included angle between the normal line and the incident line is equal to an included angle between the normal line and the reflection line, thereby being convenient for finding an imaging point on the mirror surface of the light source point on the front boundary and the rear boundary of the container.
Referring to fig. 3 and 4, in some embodiments, the method for checking an exterior mirror of a vehicle further includes: judging whether the distance between the container front boundary imaging line 3 and the container rear boundary imaging line 4 is within a set range, if yes, meeting the checking requirement, if not, adjusting parameters of the rearview mirror until meeting the checking requirement, in the embodiment, because the distance between the left outside rearview mirror container front boundary imaging line 3 and the container rear boundary imaging line 4 is larger than 20mm, the distance between the right outside rearview mirror container front boundary imaging line 3 and the container rear boundary imaging line 4 is larger than 15mm as the best, the driving safety is higher, and the checking result accuracy is further improved and the checking flow is simplified by directly quantifying the subjective evaluation requirement of the distance between the container front boundary imaging line 3 and the container rear boundary imaging line 4 to the design checking.
Referring to fig. 3 and 4, in some embodiments, the method for checking an exterior mirror of a vehicle further includes: judging whether the imaging point of the rear upper corner of the cargo box is located in the mirror surface, if yes, meeting the checking requirement, if not, adjusting parameters of the rearview mirror until meeting the checking requirement, wherein in the embodiment, the subjective evaluation requirement of the commercial vehicle outer rearview mirror comprises that a driver can observe the left and right rear upper corners of the cargo box through the left and right outer rearview mirrors, and the subjective evaluation requirement of the commercial vehicle outer rearview mirror is directly quantized to be judged when the design checking is carried out, so that the accuracy of the checking result is further improved, the checking flow is simplified, and the driving safety is higher.
Referring to fig. 1 and fig. 2, an exterior mirror checking system for a vehicle according to an embodiment of the present invention may include: a model building module for building a vehicle model and arranging the rearview mirror at an initial position; the first drawing module is used for assuming an eye point as a light source point, forming a union of sight ranges of the light rays emitted by the eye point after specular reflection, forming a driver visual field area and making a regulation area 2 at a preset position according to regulation requirements; the first judging module is configured to judge whether the driver's view area includes the regulation area 2, if yes, the check requirement is satisfied, if not, parameters of the rearview mirror are adjusted until the check requirement is satisfied, in this embodiment, the view visible area 1 formed by using the model building module, the first mapping module and the first judging module to specularly reflect light emitted from the eye point as a light source point is compared with the regulation area 2, so as to judge whether the position of the rearview mirror arrangement satisfies the check requirement, and directly quantize the view regulation requirement to the design check time to judge, thereby improving accuracy of the check result and simplifying the check flow.
Referring to fig. 3 and 4, in some embodiments, the vehicle exterior mirror verification system may further include: a second mapping module for selecting a plurality of points on a front container boundary and a rear container boundary of the vehicle as light source points, imaging on the rearview mirror, and confirming a container imaging area; the second judging module is configured to calculate a ratio of the size of the container imaging area on the mirror surface of the rearview mirror, if the ratio is within a set range, the checking requirement is met, if not, parameters of the rearview mirror are adjusted until the checking requirement is met, in this embodiment, subjective evaluation requirements of the commercial vehicle rearview mirror include that a driver can observe a front container boundary and a rear container boundary through left and right outer rearview mirrors at the same time, and when the side container imaging size occupies 1/3 position of the whole mirror surface, driving safety is higher, and the subjective evaluation requirements of the size of the container imaging area on the mirror surface of the rearview mirror are directly quantized to design checking by utilizing the second mapping module and the second judging module, so that accuracy of checking results is further improved, and a checking flow is simplified.
Referring to fig. 3 and 4, in some embodiments, the second mapping module may be further configured to select a plurality of points on the front boundary of the cargo box and the rear boundary of the cargo box as light source points, image the light source points on the rearview mirror, and confirm the corresponding imaged points; the imaging points corresponding to the light source points of the front boundary of the container are connected to form a front boundary imaging line 3 of the container, the imaging points corresponding to the light source points of the rear boundary of the container are connected to form a rear boundary imaging line 4 of the container, the area between the front boundary imaging line 3 of the container and the rear boundary imaging line 4 of the container is the imaging area of the container, in this embodiment, the imaging area of the front boundary and the rear boundary of the container on the mirror surface is used as the imaging area of the container by the second mapping module, the visual field range of the rearview mirror after checking can be ensured to cover the side area of the whole container, the subjective evaluation requirement of the outside rearview mirror of the commercial vehicle can be better met, and the driving safety is improved.
Referring to fig. 3 and 4, in some embodiments, the second mapping module is further configured to connect the light source point, the eye point, and the center of the mirror surface curved surface to determine a plane; in this embodiment, a curved surface imaging rule is utilized by the second mapping module, a connection line between the imaging point and the light source point is used as an incident line, a connection line between the imaging point and the eye point is used as a reflection line, and a connection line between the imaging point and the center of the curved surface of the mirror surface is used as a normal line, so that the imaging point should satisfy that an included angle between the normal line and the incident line is equal to an included angle between the normal line and the reflection line, thereby being convenient for finding an imaging point on the mirror surface of the light source point on the front boundary and the rear boundary of the container.
Specifically, the checking flow is as follows:
a. designing and inputting related data of an H point, a container, a ground line and a cab, determining the curvature and the boundary of an outer rearview mirror body, arranging the mirror body at an initial position, and adjusting the position with parameters;
b. assuming that the eyepoint is a light source point, respectively making a left eyepoint and a right eyepoint, and reflecting light rays emitted by the left eyepoint and the right eyepoint through a mirror surface (finishing the simulation of the sight line by using point, line and angle bisector commands), wherein the union of the sight line ranges of the left eyepoint and the right eyepoint is the sight line range of a driver;
c. practice of rule area 2 on the ground line plane according to rule requirements;
d. the visual field visual area 1 of the driver needs to contain a regulation area 2, and the left and right side outside rearview mirrors check according to the method respectively;
e. assuming the front boundary of the container as a light source, taking any point of the front boundary of the container, a left eye point and a 3-point of the curved surface center of the mirror surface to determine a plane, and making a reflected incident ray and a reflected ray on the plane to confirm an imaging point of a selected point of the container on the mirror surface, and selecting a plurality of points from top to bottom to obtain corresponding imaging points and connecting the corresponding imaging points to form a curve;
f. respectively completing imaging points of a left eye point-container front boundary, a right eye point-container front boundary, a left eye point-container rear boundary and a right eye point-container rear boundary and connecting the imaging points into 4 curves;
g. referring to fig. 4, the maximum distance between the trunk front boundary imaging line 3 and the trunk rear boundary imaging line 4 is the trunk imaging area;
h. the mirror arrangement position should satisfy: the imaging of the side container occupies 1/3 position of the integral mirror surface, and the distance is proper; the left outer rearview mirror is more than 20 mm/the right outer rearview mirror is more than 15mm, and the imaging point of the rear upper corner of the container is positioned in the mirror surface, if the requirements are not met, parameters such as the position of the mirror surface with the parameters or the curvature of the mirror surface are adjusted, and finally the arrangement checking requirements are met;
for example, if the distance between the front container boundary imaging line 3 and the rear container boundary imaging line 4 meets the design requirement, but the side container imaging occupies more than half of the mirror surface overall position, the visual rear view area of the rearview mirror is smaller, the driving safety is affected, and the requirement is judged to be not met.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present invention, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The checking method of the vehicle exterior rearview mirror is characterized by comprising the following steps of:
building a vehicle model and arranging the rearview mirror at an initial position;
assuming an eye point as a light source point, and forming a driver visual field area by making a union of sight ranges of light rays emitted by the eye point after specular reflection;
making a regulation area at a preset position according to regulation requirements;
and judging whether the visual field area of the driver contains the regulation area, if so, meeting the check requirement, and if not, adjusting the parameters of the rearview mirror until meeting the check requirement.
2. The vehicle exterior mirror verification method according to claim 1, characterized in that the vehicle exterior mirror verification method further comprises:
respectively selecting a plurality of points on the front boundary and the rear boundary of a container of the vehicle as light source points, imaging on the rearview mirror, and confirming an imaging area of the container;
calculating the ratio of the size of the imaging area of the container on the mirror surface of the rearview mirror, judging whether the ratio is in a set range, if so, meeting the checking requirement, and if not, adjusting the parameters of the rearview mirror until meeting the checking requirement.
3. The method for checking an exterior mirror of a vehicle according to claim 2, wherein the selecting a plurality of points on a front boundary of a cargo box and a rear boundary of the cargo box of the vehicle as light source points, imaging on the mirror, and confirming an imaging area of the cargo box, respectively, comprises:
respectively selecting a plurality of points on the front boundary and the rear boundary of the container as light source points, imaging on the rearview mirror, and confirming corresponding imaging points;
and connecting imaging points corresponding to the light source points of the front boundary of the container to form a front boundary imaging line of the container, connecting imaging points corresponding to the light source points of the rear boundary of the container to form a rear boundary imaging line of the container, and obtaining a region between the front boundary imaging line of the container and the rear boundary imaging line of the container as a container imaging region.
4. The method for checking the exterior mirror of a vehicle according to claim 3, wherein the selecting a plurality of points on the front boundary of the cargo box and the rear boundary of the cargo box as light source points, respectively, imaging on the mirror, and confirming the corresponding imaging points comprises:
connecting the light source point, the eye point and the center of the mirror surface curved surface to determine a plane;
and finding out an imaging point corresponding to the light source point on the intersection line of the plane and the mirror surface.
5. The vehicle exterior mirror verification method according to claim 3, characterized in that the vehicle exterior mirror verification method further comprises:
judging whether the distance between the front boundary imaging line of the container and the rear boundary imaging line of the container is within a set range, if so, meeting the checking requirement, and if not, adjusting the parameters of the rearview mirror until meeting the checking requirement.
6. The vehicle exterior mirror verification method according to claim 3, characterized in that the vehicle exterior mirror verification method further comprises:
and judging whether the imaging point of the rear upper corner of the container is positioned in the mirror surface, if so, meeting the checking requirement, and if not, adjusting the parameters of the rearview mirror until meeting the checking requirement.
7. A vehicle exterior mirror verification system, comprising:
a model building module for building a vehicle model and arranging the rearview mirror at an initial position;
the first drawing module is used for assuming an eye point as a light source point, forming a union of sight ranges of the light rays emitted by the eye point after specular reflection, forming a driver visual field area and making a regulation area at a preset position according to regulation requirements;
and the first judging module is used for judging whether the visual field area of the driver contains the regulation area, if so, the checking requirement is met, and if not, the parameters of the rearview mirror are adjusted until the checking requirement is met.
8. The vehicle exterior mirror verification system according to claim 7, wherein the vehicle exterior mirror verification system further comprises:
a second mapping module for selecting a plurality of points on a front container boundary and a rear container boundary of the vehicle as light source points, imaging on the rearview mirror, and confirming a container imaging area;
and the second judging module is used for calculating the duty ratio of the size of the container imaging area on the mirror surface of the rearview mirror, if the duty ratio is within a set range, the checking requirement is met, and if the duty ratio is not, the parameters of the rearview mirror are adjusted until the checking requirement is met.
9. The vehicle exterior mirror verification system according to claim 8, wherein:
the second drawing module is also used for respectively selecting a plurality of points on the front boundary of the container and the rear boundary of the container as light source points, imaging on the rearview mirror and confirming corresponding imaging points; and connecting imaging points corresponding to the light source points of the front boundary of the container to form a front boundary imaging line of the container, connecting imaging points corresponding to the light source points of the rear boundary of the container to form a rear boundary imaging line of the container, and obtaining a region between the front boundary imaging line of the container and the rear boundary imaging line of the container as a container imaging region.
10. The vehicle exterior mirror verification system according to claim 8, wherein:
the second drawing module is also used for connecting the light source point, the eye point and the center of the mirror surface curved surface to determine a plane; and finding out an imaging point corresponding to the light source point on the intersection line of the plane and the mirror surface.
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| CN202310169800.5A CN116127607A (en) | 2023-02-27 | 2023-02-27 | Method and system for checking vehicle exterior rearview mirror |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117473653A (en) * | 2023-12-26 | 2024-01-30 | 浙江极氪汽车研究开发有限公司 | Rearview mirror size determining method of vehicle and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117473653A (en) * | 2023-12-26 | 2024-01-30 | 浙江极氪汽车研究开发有限公司 | Rearview mirror size determining method of vehicle and electronic equipment |
| CN117473653B (en) * | 2023-12-26 | 2024-04-02 | 浙江极氪汽车研究开发有限公司 | Rearview mirror size determining method of vehicle and electronic equipment |
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