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Three-dimensional target, wheel positioning system and wheel positioning method

A technology of three-dimensional target and wheel positioning, which is applied in the field of calibration and can solve the problems of low calculation accuracy of calibration

Pending Publication Date: 2020-06-19
AUTEL INTELLIGENT TECHNOLOGY CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The embodiment of the present invention aims to provide a three-dimensional target, a wheel alignment system and a wheel alignment method, which can solve the technical problem of low calibration calculation accuracy in the prior art

Method used

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  • Three-dimensional target, wheel positioning system and wheel positioning method
  • Three-dimensional target, wheel positioning system and wheel positioning method
  • Three-dimensional target, wheel positioning system and wheel positioning method

Examples

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no. 1 example

[0084] Such as figure 2 As shown, the three-dimensional object 100 includes a base body 10 . The base 10 is a three-dimensional block with multiple outer surfaces. Optionally, the base 10 is in a regular geometric shape. The base body 10 is provided with at least three target surfaces, and at least three of the target surfaces are not on the same plane, wherein the outer surface of the base body 10 is provided with at least three target surfaces, wherein at least three of the target surfaces are all not on the same plane. At least three target surfaces are respectively provided with target elements 14, the spatial position relationship between the target elements 14 is known, and the geometric characteristics of the target elements 14 are known, for example, the target surface They are arranged at a preset angle, and the target surface is provided with the target element 14 for the captured image, wherein the target element 14 is a concave or convex geometric shape. In thi...

no. 2 example

[0102] Such as Figure 5 As shown, the three-dimensional object 100 includes a base body 10 . The base 10 is a three-dimensional block with multiple outer surfaces. Optionally, the base 10 is in a regular geometric shape. The base body 10 is provided with at least three target surfaces, and at least three of the target surfaces are not on the same plane, wherein the outer surface of the base body 10 is provided with at least three target surfaces, wherein at least three of the target surfaces are all not on the same plane. At least three target surfaces are respectively provided with target elements 14, the spatial position relationship between the target elements 14 is known, and the geometric characteristics of the target elements 14 are known, for example, the target surface They are arranged at a preset angle, and the target surface is provided with the target element 14 for the captured image, wherein the target element 14 is a concave or convex geometric shape. In thi...

no. 3 example

[0117] Such as Figure 6 As shown, the three-dimensional object 100 includes a base body 10 . The base 10 is a three-dimensional block with multiple outer surfaces. Optionally, the base 10 is in a regular geometric shape. The base body 10 is provided with at least three target surfaces, and at least three of the target surfaces are not on the same plane, wherein the outer surface of the base body 10 is provided with at least three target surfaces, wherein at least three of the target surfaces are all not on the same plane. At least three target surfaces are respectively provided with target elements 14, the spatial position relationship between the target elements 14 is known, and the geometric characteristics of the target elements 14 are known, for example, the target surface They are arranged at a preset angle, and the target surface is provided with the target element 14 for the captured image, wherein the target element 14 is a concave or convex geometric shape. In thi...

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Abstract

The embodiment of the invention provides a three-dimensional target, a wheel positioning system and a wheel positioning method, and relates to the technical field of calibration. The three-dimensionaltarget comprises a base body, the base body is provided with at least three target surfaces, and the at least three target surfaces are not in the same plane. At least three target surfaces are respectively provided with target elements, the spatial position relationship among the target elements is known, and the geometric characteristics of the target elements are known. Each target surface inthe at least three target surfaces is used for wheel positioning. Two target surfaces in the at least three target surfaces form a group of calculation units, and the spatial position relationship between the target elements of the at least two groups of calculation units is used for determining the position of a wheel. Two target surfaces are taken as one group, at least three target surfaces canbe set into multiple groups, and calibration is carried out according to the multiple groups of target surfaces, so that the precision of calibration calculation can be enhanced.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of calibration, and in particular, relate to a three-dimensional object, a wheel alignment system and a wheel alignment method. Background technique [0002] At present, the wheel alignment system is widely used in the field of automobile calibration technology. For example, the wheel alignment system can obtain the three-dimensional target assembled on the vehicle, and calculate according to the position of the three-dimensional target, so as to realize the vehicle calibration. However, the three-dimensional target using a single target surface has the technical problems of less measurement and calculation dimensions and lower calibration calculation accuracy. Contents of the invention [0003] The embodiment of the present invention aims to provide a three-dimensional object, a wheel alignment system and a wheel alignment method, which can solve the technical problem of low calibrat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/275
CPCG01B11/275G01B2210/30G01B11/2755G01B2210/143G06T7/70
Inventor 刘连军赖毕望张凯凯
Owner AUTEL INTELLIGENT TECHNOLOGY CORP LTD
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