低秩的求解 denoise an image by sparsely representing each block with the already overcomplete trained Dictionary, and averaging the represented parts. Detailed descr iption can be found in "Image Denoising Via Sparse and Redundant representations

ksvd字典学习算法和改进的ksvd字典学习算法，并自动计算psnr。-ksvd dictionary learning algorithm and improved ksvd dictionary learning algorithm and automatically calculates psnr.

图像去噪稀疏表示，新型的去噪方法相比传统的方法有很多优点。