Matlab code for the following paper.
Sparse, Collaborative, or Nonnegative Representation: Which Helps Pattern Classification? Jun Xu, Wangpeng An, David Zhang, Lei Zhang Pattern Recognition, vol. 88, pp. 679-688, Apr. 2019.
I will optimize the code, and sorry for my lazyness.
Please consider to cite this paper if you find this code helpful for your research.
@article{XU2019679,
title = "Sparse, collaborative, or nonnegative representation: Which helps pattern classification?",
journal = "Pattern Recognition",
volume = "88",
pages = "679 - 688",
year = "2019",
issn = "0031-3203",
doi = "https://doi.org/10.1016/j.patcog.2018.12.023",
url = "http://www.sciencedirect.com/science/article/pii/S003132031830445X",
author = "Jun Xu and Wangpeng An and Lei Zhang and David Zhang",
}