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Recognize chess board

April 3, 2015 - 9:24am #1

Hello !

I try to detect a chess board, in order to display pieces above. I don't have any problem to detect some photos or a QR Code, but I can't detect the chess board.

I've tried with a target representing only a chessboard, and with another representing many other things all around the board and it always failed.

I don't understand why. This kind of simple pattern is frequently used to calibrate cameras.

Any ideas ?

Thank you

Recognize chess board

April 5, 2015 - 10:43am #2

If the chess board was symetry from all angle, then it might be the problem. Theres no way for Vuforia to tell which direction of the chess board gonna be, unless theres different pattern on different area.

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