createLaplacePyrGpu  152 modules/stitching/include/opencv2/stitching/detail/blenders.hpp void CV_EXPORTS createLaplacePyrGpu(InputArray img, int num_levels, std::vector<UMat>& pyr);
createLaplacePyrGpu  326 modules/stitching/src/blenders.cpp         createLaplacePyrGpu(img_with_border, num_bands_, src_pyr_laplace);