cameracalibrator is not able to detect the squares in the calibration pattern

ethz-asl / ethzasl_ptam

Modified version of Parallel Tracking and Mapping (PTAM)

http://wiki.ros.org/ethzasl_ptam

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cameracalibrator is not able to detect the squares in the calibration pattern #96

Open ulkesh11 opened 7 years ago

ulkesh11 commented 7 years ago

During the calibration process, only some times the corners of the squares are detected (with yellow dots) but the blue square grid is never overlaid on the pattern. Can some one please tell me where am I going wrong? calib_error1

calib_error2

Please help!!