How to find and save coordinates of squares in chess board [closed] - OpenCV Q&A Forum

Dear Developers, Can you please suggest some effective and efficient ways first to find coordinates (lower left corner and upper right corner) of square in a chess board picture and then save it in some data structure with some key. For example : saving coordinates of bottom left most square in chess board in a data-structure with key “a1” Please inform me if you need any other information from me. Many thanks :)

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python - How to project a chessboard in camera coordinates to real-world coordinates in OpenCV using rvecs and tvecs outputs of cv.calibrateCamera? - Stack Overflow

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The CV algorithm can detect the board, squares, and pieces when the

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