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	PCA-Domain Fused Singular Spectral Analysis for Fast and Noise-Robust Spectral-Spatial Feature Mining in Hyperspectral Classification
	Y. Yan, J. Ren, Q. Liu, H. Zhao, H. Sun and J. Zabalza
	2023
发表期刊	IEEE Geoscience and Remote Sensing Letters
ISSN	1545598X
卷号	20
摘要	The principal component analysis (PCA) and 2-D singular spectral analysis (2DSSA) are widely used for spectral- and spatial-domain feature extraction in hyperspectral images (HSIs). However, PCA itself suffers from low efficacy if no spatial information is combined, while 2DSSA can extract the spatial information yet has a high computing complexity. As a result, we propose in this letter a PCA domain 2DSSA approach for spectral-spatial feature mining in HSI. Specifically, PCA and its variation, folded PCA (FPCA) are fused with the 2DSSA, as FPCA can extract both global and local spectral features. By applying 2DSSA only on a small number of PCA components, the overall computational cost can be significantly reduced while preserving the discrimination ability of the features. In addition, with the effective fusion of spectral and spatial features, our approach can work well on the uncorrected dataset without removing the noisy and water absorption bands, even under a small number of training samples. Experiments on two publicly available datasets have fully validated the superiority of the proposed approach, in comparison to several state-of-the-art methods and deep learning models. © 2004-2012 IEEE.
DOI	10.1109/LGRS.2021.3121565
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收录类别	sci ; ei
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/68077
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Y. Yan, J. Ren, Q. Liu, H. Zhao, H. Sun and J. Zabalza. PCA-Domain Fused Singular Spectral Analysis for Fast and Noise-Robust Spectral-Spatial Feature Mining in Hyperspectral Classification[J]. IEEE Geoscience and Remote Sensing Letters,2023,20.
APA	Y. Yan, J. Ren, Q. Liu, H. Zhao, H. Sun and J. Zabalza.(2023).PCA-Domain Fused Singular Spectral Analysis for Fast and Noise-Robust Spectral-Spatial Feature Mining in Hyperspectral Classification.IEEE Geoscience and Remote Sensing Letters,20.
MLA	Y. Yan, J. Ren, Q. Liu, H. Zhao, H. Sun and J. Zabalza."PCA-Domain Fused Singular Spectral Analysis for Fast and Noise-Robust Spectral-Spatial Feature Mining in Hyperspectral Classification".IEEE Geoscience and Remote Sensing Letters 20(2023).

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