BaseSpatialFilter.py 文件源码

def Laplacian(self,img):
        karr = np.array([0, 1, 0, 1, -4, 1, 0, 1, 0])
        kernel1 = karr.reshape(3, 3)
        kernel2 = kernel1.transpose()
        img1 = cv2.filter2D(img, -1, kernel1)
        img2 = cv2.filter2D(img, -1, kernel2)
        dImg = img1 + img2
        return dImg