说明：  基于Curvelet变换和全变差的图像去噪方法的论文，实验表明，该方法能有效地降低图像噪声，又尽町能地保留图像的细节
(Curvelet transform and total variation based image denoising paper, experiments show that the method can effectively reduce the image noise, but also to make town to retain the image details can)