Title
Hyperspectral Unmixing via Noise-Free Model
Abstract
Blind hyperspectral unmixing (BHSU) is ill-posedness. It aims to obtain accurate and robust endmember signatures and the corresponding abundances simultaneously. Nonnegative matrix factorization (NMF)-based sparsity-regularized algorithms have been widely employed for the BHSU. However, the existing unmixing approaches are sensitive to the multifarious intrinsic interferences and noises, which are caused because of the utilization of the inappropriate loss function to measure the quality of the hyperspectral data (HD) reconstruction and regularization. In this article, we propose a noise-free graph regularized model (NFGRM) by applying the dual graph regularized robust nonnegative matrix tri-factorization (NMTF), which leads to a novel reliable reconstruction of the HD. In the NFGRM, all the challenging interferences are addressed as noises. Consequently, a more faithful approximation is expected to recover from the highly noisy mixed data set and achieve robust regularization by controlling the heteroscedastic noises and the ill-posedness of the BHSU problem simultaneously. Experimental results on synthetic and several benchmark HD sets demonstrate the effectiveness and robustness of the proposed model and algorithm.
Year
DOI
Venue
2021
10.1109/TGRS.2020.3018150
IEEE Transactions on Geoscience and Remote Sensing
Keywords
DocType
Volume
Blind hyperspectral unmixing (BHSU),graph dual regularization,noise-free,nonnegative matrix tri-factorization (NMTF)
Journal
59
Issue
ISSN
Citations 
4
0196-2892
0
PageRank 
References 
Authors
0.34
0
3
Name
Order
Citations
PageRank
Chunzhi Li111.36
Yunliang Jiang213422.20
Xiaohua Chen301.69