数字图像非局部均值算法，很好的哦。我自己试过了

非局部中值滤波 matlab代码,主要用于图像去噪，对于存在周期出现的图像有较好的效果，例如干涉图-Nonlocal median filter matlab code. It is mainly for image denoising and images with the existence of cycles are correspinding to good results, for example interferogram.