createOneElemSets  108 modules/stitching/include/opencv2/stitching/detail/util.hpp     DisjointSets(int elem_count = 0) { createOneElemSets(elem_count); }
createOneElemSets  110 modules/stitching/include/opencv2/stitching/detail/util.hpp     void createOneElemSets(int elem_count);