Correcting device

By automatically detecting the type of calibration plate and setting camera parameters through the calibration device, the problem of easy errors caused by manual input of information in the prior art is solved, and high-precision workpiece position detection is achieved.

CN122422906APending Publication Date: 2026-07-17FANUC LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
FANUC LTD
Filing Date
2023-12-25
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In existing technologies, the diameter and spacing of the dots on the calibration plate vary depending on the camera environment and type, requiring operators to manually input information, which is prone to errors and makes it difficult to detect the workpiece position.

Method used

The calibration device automatically determines the type of calibration plate and sets camera parameters by detecting the characteristic parts and specific marks of the calibration plate, thus reducing manual intervention.

Benefits of technology

It improves the accuracy and efficiency of camera parameter calibration, reduces human error, and ensures the accuracy of workpiece position detection.

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Abstract

照相机参数的校正装置在一个实施方式中,具备在拍摄校正板而得的图像中检测校正板的特征部分的特征检测部。校正装置具备从校正板的多个种类中确定由照相机拍摄到的校正板的种类的确定部。校正装置具备参数设定部,该参数设定部基于与由确定部确定的校正板相关的信息来设定照相机参数。特征部分与表示预先决定的间隔的基本图形一起形成于校正板的表面。确定部基于由特征检测部检测出的特征部分来确定校正板的种类。
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Citation Information

Patent Citations

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    JP2022030807A