中文说明：对图像进行去雾处理，matlab实现数字图像处理，分别用了两个方法。图像可以变更，但是需要改图像路径的代码。相应的语句代码都加以注释。
English Description：
Two methods are used to remove the fog and realize the digital image processing with MATLAB. The image can be changed, but the code of the image path needs to be changed. The corresponding statement code is annotated.