# About the corner detection algorithms before camera calibration

**URL:** <https://forum.opencv.org/t/about-the-corner-detection-algorithms-before-camera-calibration/8112>\
**Category:** Uncategorized\
**Created:** [March 26, 2022, 2:19am UTC](https://forum.opencv.org/t/about-the-corner-detection-algorithms-before-camera-calibration/8112 "2022-03-26T02:19:46Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![vabook](https://avatars.discourse-cdn.com/v4/letter/v/7cd45c/32.png) [@vabook](https://forum.opencv.org/u/vabook)\
**Post date:** [March 26, 2022, 2:19am UTC](https://forum.opencv.org/t/about-the-corner-detection-algorithms-before-camera-calibration/8112/1 "2022-03-26T02:19:46Z")

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I don’t know the method of how to detect corners in the chessboard, and how to detect centers in a circular calibration plate, can you tell me the reference papers. I really appreciate your help.