edge_utils.py 文件源码

def sobel(im, dx=1, dy=1, blur=3): 
    if blur is None or blur == 0: 
        blur_im = im
    else: 
        blur_im = cv2.GaussianBlur(im, (blur,blur), 0)
    return cv2.Sobel(blur_im, cv2.CV_8U, dx, dy)