skewsymm          592 modules/calib3d/src/dls.cpp     return cv::Mat( eye.mul(1.-s_mul1) + skewsymm(&s).mul(2.) + s_mul2.mul(2.) ).t();
skewsymm           64 modules/calib3d/src/dls.h     cv::Mat skewsymm(const cv::Mat * X1);