textureFlatten    190 modules/photo/src/seamless_cloning.cpp     obj.textureFlatten(src,cs_mask,gray,low_threshold,high_threshold,kernel_size,blend);
textureFlatten     59 modules/photo/src/seamless_cloning.hpp             void textureFlatten(cv::Mat &I, cv::Mat &mask, cv::Mat &wmask, float low_threshold, float high_threhold, int kernel_size, cv::Mat &cloned);