calcSparseHist_  1459 modules/imgproc/src/histogram.cpp         calcSparseHist_<ushort>(ptrs, deltas, imsize, hist, dims, ranges, _uniranges, uniform );
calcSparseHist_  1461 modules/imgproc/src/histogram.cpp         calcSparseHist_<float>(ptrs, deltas, imsize, hist, dims, ranges, _uniranges, uniform );