中文说明：这个程序实现基本罗伯特，Prewitt算子和Sobel算子为更好的边缘检测是标准的运营商来检测边缘。this program implement basic Robert, Prewitt and Sobel operator for better edge detection which are standard operator to detect edge.
English Description：
this program implement basic Robert, Prewitt and Sobel operator for better edge detection which are standard operator to detect edge. Proper edge detection is mainely require in many image processing application like printing press, object detection, object classification etc. here standard matrices for robert, prewitt and sobel are being used which are given in standard Gonzales book and other standard material..