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Author:

Liu, Yun (Liu, Yun.) | Qi, Na (Qi, Na.) | Cheng, Zhen (Cheng, Zhen.) | Liu, Dong (Liu, Dong.) | Xiong, Zhiwei (Xiong, Zhiwei.)

Indexed by:

CPCI-S EI Scopus

Abstract:

Hyperspectral light field (HSLF) images with enriched spectral and angular information provide better representation of real scenes than conventional 2D images. In this paper, we propose a novel denoising method for HSLF images. The proposed method consists of two main steps. First, we generalize the intrinsic tensor sparsity (ITS) measure previously used for 3D hyperspectral image denoising to the 5D HSLF, by using the global correlation along the spectral dimension and the nonlocal similarity across the spatial and angular dimensions. Second, we further exploit the spatial-angular correlation by integrating light field super-resolution (SR) into the denoising process. In this way, the 5D HSLF can be better recovered. Experimental results validate the superior performance of the proposed method in terms of both objective and subjective quality on a self-collected HSLF dataset, in comparison with directly applying the state-of-the-art denoising methods.

Keyword:

hyperspectral image super-resolution light field image nonlocal similarity image denoising

Author Community:

  • [ 1 ] [Liu, Yun]Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
  • [ 2 ] [Cheng, Zhen]Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
  • [ 3 ] [Liu, Dong]Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
  • [ 4 ] [Xiong, Zhiwei]Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
  • [ 5 ] [Qi, Na]Beijing Univ Technol, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Xiong, Zhiwei]Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China

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Source :

SPECTROSCOPY AND SIGNAL PROCESSING TECHNOLOGY

ISSN: 0277-786X

Year: 2017

Volume: 10620

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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