getUMatIndex     1306 modules/core/src/convert.cpp         getUMatIndex(src, scn, src_idx, src_cnidx);
getUMatIndex     1307 modules/core/src/convert.cpp         getUMatIndex(dst, dcn, dst_idx, dst_cnidx);
getUMatIndex     2132 modules/imgproc/src/histogram.cpp         getUMatIndex(images, channels[0], idx, cnidx);
getUMatIndex     2166 modules/imgproc/src/histogram.cpp         getUMatIndex(images, channels[0], idx0, cnidx0);
getUMatIndex     2167 modules/imgproc/src/histogram.cpp         getUMatIndex(images, channels[1], idx1, cnidx1);