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Reputation: 446

OpenCV findChessboardCorners very slow

dose anybody know why is cv::findChessboardCorners horribly slow on all images with more than one mega-pixel ( > 1 000 000 pixles ).

As a workaround I down-sample my images to fit this bound, but I would like to know if it can be solved more "elegantly".

Thanx

Upvotes: 2

Views: 3220

Answers (1)

Martin Beckett
Martin Beckett

Reputation: 96109

Haven't dug into the reasons - I wrote a much faster square finder from scratch.

The circleGrid provides a better result and is much faster, it uses the new BlobDetector interface.

Upvotes: 1

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