StsUnmatchedFormats  334 modules/video/src/ecc.cpp         CV_Error( Error::StsUnmatchedFormats, "Both input images must have the same data type" );
StsUnmatchedFormats 1374 modules/video/src/lkpyramid.cpp         CV_Error( Error::StsUnmatchedFormats, "Both input images must have the same data type" );