中文说明： 提供的代码可以实现Grammar correction和General Filter，并提供了测试图片和测试结果，如果对滤波和Grammar矫正感兴趣的你值得你花时间看一下。切matlab是一个强大的图像处理工具，比其他语言简洁了太多太多
English Description：
The provided code can implement the gamma correction and general filter, and provide test pictures and test results. If you are interested in filtering and gamma correction, it is worth your time to take a look. Matlab is a powerful image processing tool, which is more concise than other languages