Function draw_keypoints

官方samples/common.py:234–237

(vis, keypoints, color = (0, 255, 255))

    return reduce(np.dot, args)

def draw_keypoints(vis, keypoints, color = (0, 255, 255)):
    for kp in keypoints:
            x, y = kp.pt
            cv2.circle(vis, (int(x), int(y)), 2, color)