: Roberts edge operator, Sobel edge detection operator, Kirsch edge detection operator, Laplacian, Gaussian Laplace operator.

• 这也是图形与图象处理中方面的---边缘检测；包括：Roberts边缘算子，Sobel边缘检测算子，Kirsch边缘检测算子，拉普拉斯算子，高斯拉普拉斯算子。-graphics and image processing -- the edge detection;