def get_center_of_bbox(bbox): x1,y1,x2,y2 = bbox return int((x1+x2)/2),int((y1+y2)/2) def get_bbox_width(bbox): return bbox[2]-bbox[0] def measure_distance(p1,p2): return ((p1[0]-p2[0])**2 + (p1[1]-p2[1])**2)**0.5 def measure_xy_distance(p1,p2): return p1[0]-p2[0],p1[1]-p2[1] def get_foot_position(bbox): x1,y1,x2,y2 = bbox return int((x1+x2)/2),int(y2)