refine3D          250 modules/features2d/src/brisk.cpp   refine3D(const int layer, const int x_layer, const int y_layer, float& x, float& y, float& scale, bool& ismax) const;
refine3D          968 modules/features2d/src/brisk.cpp         score = refine3D(i, (int)point.x, (int)point.y, x, y, scale, ismax);