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作者:

Ying, Yangke (Ying, Yangke.) | Wang, Jin (Wang, Jin.) | Shi, Yunhui (Shi, Yunhui.) (学者:施云惠) | Ling, Nam (Ling, Nam.) | Yin, Baocai (Yin, Baocai.)

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摘要:

The hyperspectral image (HSI) compressive imaging field has experienced significant progress in recent years, especially with the emergence of deep unfolding networks (DUNs), which have demonstrated remarkable advancements in reconstruction performance. However, these methods still face several challenges. Firstly, HSI data carries crucial prior knowledge in the feature space, and effectively leveraging these priors is essential for achieving high-quality HSI reconstruction. Existing methods either neglect the utilization of prior information or incorporate network modules designed based on prior information in a rudimentary manner, thereby limiting the overall reconstruction potential of these models. Secondly, the transformation between the data and feature domains poses a significant challenge for DUNs, leading to the loss of feature information across different stages. Existing methods fall short in adequately considering spectral characteristics when utilizing inter-stage information, resulting in inefficient transmission of feature information. In this paper, we introduce a novel deep unfolding network architecture that integrates local non-local and low-rank priors with spectral memory enhancement for precise HSI data reconstruction. Specifically, we design innovative modules for local non-local and low-rank priors to enrich the network's feature representation capability, fully exploiting the prior information of HSI data in the feature space. These designs also help the overall framework achieve superior reconstruction results with fewer parameters. Moreover, we extensively consider the spectral correlation characteristics of HSI data and devise a spectral memory enhancement network module to mitigate inter-stage feature information loss. Extensive experiments further demonstrate the superiority of our approach.

关键词:

deep unfolding network Degradation Spectral snapshot compressive imaging compressive sensing Transformers Correlation Image reconstruction Optimization Imaging Three-dimensional displays

作者机构:

  • [ 1 ] [Ying, Yangke]Beijing Univ Technol, Beijing Inst Artificial Intelligence, Sch Informat Sci & Technol, Beijing Key Lab Multimedia & Intelligent Software, Beijing 100124, Peoples R China
  • [ 2 ] [Shi, Yunhui]Beijing Univ Technol, Beijing Inst Artificial Intelligence, Sch Informat Sci & Technol, Beijing Key Lab Multimedia & Intelligent Software, Beijing 100124, Peoples R China
  • [ 3 ] [Yin, Baocai]Beijing Univ Technol, Beijing Inst Artificial Intelligence, Sch Informat Sci & Technol, Beijing Key Lab Multimedia & Intelligent Software, Beijing 100124, Peoples R China
  • [ 4 ] [Wang, Jin]Beijing Univ Technol, Beijing Inst Artificial Intelligence, Sch Comp Sci, Beijing 100124, Peoples R China
  • [ 5 ] [Ling, Nam]Santa Clara Univ, Dept Comp Sci & Engn, Santa Clara, CA 95053 USA

通讯作者信息:

  • 施云惠

    [Shi, Yunhui]Beijing Univ Technol, Beijing Inst Artificial Intelligence, Sch Informat Sci & Technol, Beijing Key Lab Multimedia & Intelligent Software, Beijing 100124, Peoples R China

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来源 :

IEEE TRANSACTIONS ON COMPUTATIONAL IMAGING

ISSN: 2573-0436

年份: 2024

卷: 10

页码: 1664-1679

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