CALIB3D_HOMOGRAPHY_ERROR_REPROJ_DIFF  452 modules/calib3d/test/test_homography.cpp                                 CV_Error(CALIB3D_HOMOGRAPHY_ERROR_REPROJ_DIFF, MESSAGE_REPROJ_DIFF_1);
CALIB3D_HOMOGRAPHY_ERROR_REPROJ_DIFF  462 modules/calib3d/test/test_homography.cpp                             CV_Error(CALIB3D_HOMOGRAPHY_ERROR_REPROJ_DIFF, MESSAGE_REPROJ_DIFF_2);