SurfFeaturesFinderGpu  136 modules/stitching/include/opencv2/stitching/detail/matchers.hpp class CV_EXPORTS SurfFeaturesFinderGpu : public FeaturesFinder
SurfFeaturesFinderGpu  458 modules/stitching/src/matchers.cpp SurfFeaturesFinderGpu::SurfFeaturesFinderGpu(double hess_thresh, int num_octaves, int num_layers,