从稀疏表示到低秩表示(二)

从稀疏表示到低秩表示(二)

确定研究方向后一直在狂补理论,最近看了一些文章,有了些想法,顺便也总结了representation系列的文章,由于我刚接触,可能会有些不足,愿大家共同指正。

从稀疏表示到低秩表示系列文章包括如下内容:

一、 sparse representation

二、NCSR(NonlocallyCentralized Sparse Representation)

三、GHP(GradientHistogram Preservation)

四、Group sparsity 

五、Rankdecomposition

 

 

 

二、 NonlocallyCentralized Sparse Representation

此部分是上篇的续篇,介绍sparse representation 的改进

Related method be supposed: NCSR (ICCV’11, TIP’13)

• A simple but very effective sparserepresentation model was proposed. It outperforms many state-of-the-arts inimage denoising, deblurring and super-resolution.

Related paper:

[1]W. Dong, L. Zhang and G. Shi, “Centralized Sparse Representation for ImageRestoration”, in ICCV 2011.

[2]W. Dong, L. Zhang, G. Shi and X.Li, “NonlocallyCentralized Sparse Representation for Image Restoration”,IEEE Trans. on ImageProcessing,vol. 22, no. 4, pp.1620-1630, April 2013.

NCSR: The idea


 

NCSR: The objective function


NCSR: The solution

NSCR: The parameters anddictionaries

Denoising results

Deblurring results

 

未完,待续,更多请关注http://blog.csdn.net/tiandijun,欢迎交流!

原文地址:https://www.cnblogs.com/yymn/p/4589460.html