createMergeMertens  697 modules/photo/include/opencv2/photo.hpp createMergeMertens(float contrast_weight = 1.0f, float saturation_weight = 1.0f, float exposure_weight = 0.0f);
createMergeMertens  162 modules/photo/test/test_hdr.cpp     Ptr<MergeMertens> merge = createMergeMertens();
createMergeMertens   32 samples/cpp/tutorial_code/photo/hdr_imaging/hdr_imaging.cpp     Ptr<MergeMertens> merge_mertens = createMergeMertens();