double angle = atan2( (double) p.y - q.y, (double) p.x - q.x ); // angle in radians double hypotenuse = sqrt( (double) (p.y - q.y) * (p.y - q.y) + (p.x - q.x) * (p.x ...

parser = argparse.ArgumentParser(description='This program shows how to use background subtraction methods provided by \ OpenCV. You can process both videos and images.') parser.add_argument('--input' ...