中文说明：本代码是基于小波变换的图像去噪的matlab程序的源代码，从而达到对系数图像去噪的效果，输出为去噪后图像以及噪声图像，
English Description：
This code is based on wavelet transform image denoising matlab program source code, so as to achieve the effect of image denoising coefficient, the output for the denoised image and noise image,