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• W2521739939 abstract "Abstract The traditional noise reduction methods for 3-D infrared hyperspectral images typically operate independently in either the spatial or spectral domain, and such methods overlook the relationship between the two domains. To address this issue, we propose a hybrid spatial-spectral method in this paper to link both domains. First, principal component analysis and bivariate wavelet shrinkage are performed in the 2-D spatial domain. Second, 2-D principal component analysis transformation is conducted in the 1-D spectral domain to separate the basic components from detail ones. The energy distribution of noise is unaffected by orthogonal transformation; therefore, the signal-to-noise ratio of each component is used as a criterion to determine whether a component should be protected from over-denoising or denoised with certain 1-D denoising methods. This study implements the 1-D wavelet shrinking threshold method based on Stein’s unbiased risk estimator, and the quantitative results on publicly available datasets demonstrate that our method can improve denoising performance more effectively than other state-of-the-art methods can." @default.
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• W2521739939 date "2016-11-01" @default.
• W2521739939 modified "2023-10-17" @default.
• W2521739939 title "A hybrid spatial-spectral denoising method for infrared hyperspectral images using 2DPCA" @default.
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• W2521739939 doi "https://doi.org/10.1016/j.infrared.2016.09.009" @default.
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