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| 2015-10-20 00:38:42 -0600 | received badge | ● Student (source) |
| 2015-10-20 00:30:56 -0600 | asked a question | opencv calibration, must I use odd number of grid in each row/col? Hi! I want to use OpenCV for camera calibration . 1) Someone told me that the grid number of each row/column should be ODD, is it right? Why I shouldn't use an even number of corners? 2) Which is better, symmetric/Asymmetric pattern? |