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作者:

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

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摘要:

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.

关键词:

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

作者机构:

  • [ 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

通讯作者信息:

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

电子邮件地址:

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来源 :

SPECTROSCOPY AND SIGNAL PROCESSING TECHNOLOGY

ISSN: 0277-786X

年份: 2017

卷: 10620

语种: 英文

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WoS核心集被引频次: 0

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ESI高被引论文在榜: 0 展开所有

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