get_motion_salient_boxes.py 文件源码

def motion_saliency(flow_mag, n):
    prior = flow_mag / np.max(flow_mag)
    filt = np.ones((n, n))/n/n

    likeli = cv2.filter2D(flow_mag.astype(np.float32), -1, filt)
    likeli = (likeli - likeli.min()) / (likeli.max() - likeli.min())

    return likeli * prior