Sharpen.py 文件源码

def sharpen_filter(image):
    img = cv2.imread(image)

    kernel = np.array([[-1,-1,-1,-1,-1],
                        [-1,2,2,2,-1],
                        [-1,2,8,2,-1],
                        [-1,2,2,2,-1],
                        [-1,-1,-1,-1,-1]]) / 8.0
    output = cv2.filter2D(img, -1, kernel)

    os.remove(image)
    cv2.imwrite(image, output)