说明：  本文介绍了边缘检测的基本概念．使用 VC实现了 Roberts算子、Prewitt算子、 Sobel算子和 Laplacian算子．实验分析了各个算子的边缘检测效果及抗噪能 力。
(This paper introduces the edge detection of the underlying concepts. VC use the Roberts operator, Prewitt operator, Sobel operator and the Laplacian operator. Experimental Analysis of the various operator edge-detection and anti-noise capability.)