中文说明：这是本人的图像处理作业 包括利用各种基于小波的去噪过程，如硬阈值 软阈值等。。内容很丰富哦！相信一定对你有帮助的！
English Description：
This is my image processing job, including the use of a variety of wavelet based denoising process, such as hard threshold, soft threshold and so on.. The content is very rich! I believe it will help you!