利用Sobel边缘算子法对图像进行边缘提取的源代码，编译后的可执行文件须带参数运行.希望对需要的人有用,大家互相帮助互相学习吧.-Use Sobel edge operator on the edge of images extracted from the source code, the compiler of the executable file to be taken after the operation parameters. Hope to those who need it u