期刊
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
卷 57, 期 3, 页码 1409-1422出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TGRS.2018.2866439
关键词
Alternating direction method of multipliers (ADMM) optimization; hyperspectral image (HSI); low-rank matrix; restoration; total variation (TV)
类别
资金
- National Natural Science Foundation of China [61301215, 61471199, 61772274, 61671243, 61701238, 11671205, 91538108, 11431015]
- Fundamental Research Funds for the Central Universities [30917015104]
- Jiangsu Provincial Natural Science Foundation of China [BK20170858, BK20150785]
Hyperspectral image (HSI) is often contaminated by mixed noise, which severely affects the visual quality and subsequent applications of the data. In this paper, HSI restoration based on low-rank recovery with a local neighborhood weighted spectral-spatial total variation (TV) model is proposed, which focuses on the preservation of spatial structure and spectral fidelity. The low-rank matrix model is adopted to exploit the spectral and spatial correlation information, and the l(1)-norm is used as a prior to remove the sparse noise. Furthermore, a local spatial neighborhood weighted spectral-spatial TV is utilized to jointly model the spectral-spatial prior information; specifically, the spectral and spatial differences are both considered in the TV term, and the weight is computed by considering the local neighborhood information in the spatial domain. Alternating direction method of multipliers optimization procedure is extended to solve the presented model. Experimental results demonstrate that the proposed method can remove the mixed noise, enhance the structural information simultaneously, and offer the best performance compared with several state-of-the-art HSI restoration methods.
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