scalar_t _bounding_box_xmin, _bounding_box_ymin;
scalar_t _bounding_box_xmax, _bounding_box_ymax;
scalar_t _head_xc, _head_yc, _head_radius;
scalar_t _bounding_box_xmin, _bounding_box_ymin;
scalar_t _bounding_box_xmax, _bounding_box_ymax;
scalar_t _head_xc, _head_yc, _head_radius;