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Camera calibration method and system, computer equipment and storage medium

A camera calibration and camera coordinate system technology, applied in the field of computer vision, can solve problems such as incomplete calibration images and low system calibration accuracy, and achieve the effect of avoiding low system calibration accuracy

Pending Publication Date: 2022-05-27
深圳市智能机器人研究院
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  • Claims
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Problems solved by technology

[0007] In order to solve the above technical problems, the object of the present invention is to provide a camera calibration method, system, computer equipment and storage medium, which avoids the problem of low system calibration accuracy due to incomplete calibration images

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  • Camera calibration method and system, computer equipment and storage medium
  • Camera calibration method and system, computer equipment and storage medium
  • Camera calibration method and system, computer equipment and storage medium

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Embodiment Construction

[0042] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as a limitation of the present invention. The numbers of the steps in the following embodiments are only set for the convenience of description, and the sequence between the steps is not limited in any way, and the execution sequence of each step in the embodiments can be adapted according to the understanding of those skilled in the art Sexual adjustment.

[0043] The present invention will be further explained and illustrated below in conjunction with the accompanying drawings and specific embodiments of the description....

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Abstract

The invention discloses a camera calibration method and system, computer equipment and a storage medium. The method comprises the following steps: acquiring angular point information of an Aruco calibration board in a calibration board coordinate system; the Aruco calibration plate comprises a plurality of reference marks, each reference mark comprises a black frame, and a plurality of black squares and white squares are arranged in the black frame; obtaining a calibration image of the Aruco calibration board shot by a camera, and determining feature point coordinate information of feature points on the calibration image in a camera coordinate system; and calibrating the camera according to the angular point information and the feature point coordinate information. When the Aruco calibration board is used for system calibration, complete calibration images do not need to be shot, even if part of the calibration images are not collected or detected, feature points in the remaining calibration images are enough for system calibration, the problem that the system calibration accuracy is low due to the fact that the calibration images are incomplete is solved, and the calibration accuracy of the system is improved. The method can be widely applied to the technical field of computer vision.

Description

technical field [0001] The present invention relates to the technical field of computer vision, and in particular, to a camera calibration method, system, computer equipment and storage medium. Background technique [0002] Phase-Measuring Deflectometry (PMD) is widely used in 3D measurement systems. The 3D measurement systems used by PMD include monitors and cameras. The 3D measurement system needs to be calibrated before it is put into use. The rotation relationship and translation relationship of the camera coordinate system relative to the display coordinate system. The slope calculation and integration steps of the object are very sensitive to the system calibration error. Therefore, the calibration method and accuracy of the PMD system are very important. The accuracy of the system calibration results directly affects the accuracy of the three-dimensional measurement results. [0003] At present, the main method used for system calibration is to use a flat mirror to p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/80G06F17/16G06F17/11
CPCG06T7/80G06F17/16G06F17/11
Inventor 马天乐王耿范兴刚陈和平席宁
Owner 深圳市智能机器人研究院
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