内含用matlab编写的k-svd算法代码.可以对图像进行稀疏分解，另附ppt对ksvd进行理论学习-Includes using matlab k-svd algorithm code. Images can be sparse decomposition, attached ppt theoretical study of ksvd

ksvd 去噪，通过字典学习后得到的字典，对图像进行稀疏分解，从而达到去噪效果。(Ksvd denoising, through the dictionary learning to obtain the dictionary, the image sparse decomposition, so as to achieve denoising effect.)