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A comment on Play online chess with a real chess board.

Re:Play online chess with a real chess board by jgilias on Saturday June 26, 2021 @05:42PM (#27646168)
There's a satisfying symmetry in how a chessboard is used to do the chessboard calibration to actually play chess.

Nice work, thanks for sharing!

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Re:Play online chess with a real chess board by alisonkisk on Saturday June 26, 2021 @06:12PM (#27646411)
What do you mean?
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Re:Play online chess with a real chess board by mfgs on Saturday June 26, 2021 @06:18PM (#27646460)
Camera calibrations are often done with a chess board pattern, as it shows scale, skew, rotation, etc of the real world plane you are imaging.

Also see https://en.m.wikipedia.org/wiki/Chessboard_detection.

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