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作者:

Fan, Ruihan (Fan, Ruihan.) | Tong, Lei (Tong, Lei.) | Zhou, Jun (Zhou, Jun.) | Guo, Baoqing (Guo, Baoqing.) | Xiao, Chuangbai (Xiao, Chuangbai.)

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摘要:

While deep learning has been widely used in the hyperspectral image (HSI) classification, lacking labeled HSI poses significant challenges to effective and sufficient learning. To address this issue, this letter introduces a prototypical network with residual capsule (PN-ResCapsNet) for few-shot HSI classification. Compared with the convolutional neural networks (CNNs), the capsule networks can better capture spatial relationships. To better extract HSI features, residual structures and self-attention (SE) mechanisms are incorporated, which can overcome the limitation of shallow feature extraction in capsule networks. Moreover, a bias-reduction (BR) method, consisting of an interclass BR module and an intraclass BR module, is designed to rectify the prototypes, which can mitigate the bias between the support and the query set and alleviate the bias between the calculated prototype and the expected prototype. Experiments on widely used HSI datasets illustrate that the proposed method outperforms several state-of-the-art methods and achieves the overall accuracies of 92.07%, 81.02%, and 85.35% on Kennedy Space Center (KSC), Houston (HT), and Pavia University (PU) datasets, respectively.

关键词:

Training Rails Accuracy residual capsule network (ResCapsNet) Bias reduction (BR) few-shot learning (FSL) Feature extraction prototypical network (PN) Vectors Data mining Prototypes hyperspectral image (HSI) classification

作者机构:

  • [ 1 ] [Fan, Ruihan]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 2 ] [Tong, Lei]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 3 ] [Xiao, Chuangbai]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 4 ] [Tong, Lei]Beijing Jiaotong Univ, State Key Lab Adv Rail Autonomous Operat, Beijing 100044, Peoples R China
  • [ 5 ] [Zhou, Jun]Griffith Univ, Sch Informat & Commun Technol, Nathan, Qld 4111, Australia
  • [ 6 ] [Guo, Baoqing]Beijing Jiaotong Univ, State Key Lab Adv Rail Autonomous Operat, Beijing 100044, Peoples R China

通讯作者信息:

  • [Tong, Lei]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China;;[Guo, Baoqing]Beijing Jiaotong Univ, State Key Lab Adv Rail Autonomous Operat, Beijing 100044, Peoples R China;;

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来源 :

IEEE GEOSCIENCE AND REMOTE SENSING LETTERS

ISSN: 1545-598X

年份: 2024

卷: 21

4 . 8 0 0

JCR@2022

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