Cited by 151Remote-Sensing Image ClassificationAdvanced Image Fusion TechniquesSpectroscopy and Chemometric Analyses

Classification of Hyperspectral Images by Gabor Filtering Based Deep Network

Kang, Xudong, Li, Chengchao, Li, Shutao, Lin, Hui·2018·IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing

Abstract

In this paper, a novel spectral-spatial classification method based on Gabor filtering and deep network (GFDN) is proposed. First, Gabor features are extracted by performing Gabor filtering on the first three principal components of the hyperspectral image, which can typically characterize the low-level spatial structures of different orientations and scales. Then, the Gabor features and spectral features are simply stacked to form the fused features. Afterwards, deep features are captured by training a stacked sparse autoencoder deep network with the fused features obtained above as inputs. Since the number of training samples of hyperspectral images is often very limited, which negatively affects the classification performance in deep learning, an effective way of constructing virtual samples is designed to generate more training samples, automatically. By jointly utilizing both the real and virtual samples, the parameters of the deep network can be better trained and updated, which can result in classification results of higher accuracies. Experiments performed on four real hyperspectral datasets show that the proposed method outperforms several recently proposed classification methods in terms of classification accuracies.

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  • Feature extraction and feature selection are dedicated to learning temporal, spatial and spectral features in images and even intrinsic priors in the production line to narrow intraclass variation and expand interclass distance.

    “Essentially, feature extraction and feature selection are dedicated to learning the temporal, spatial [13-15] and spectral features [16, 17] in images and even the intrinsic priors in the production line [18] to narrow the intraclass variation and expand the interclass distance.”

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Authors
Kang, X., Li, C., Li, S., & Lin, H.
Affiliations
Hunan University (CN)
Venue
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Published
2018-04
Volume
11
Issue
4
Pages
1166-1178
ISSN
  • 1939-1404 (ISSN-L)
  • 2151-1535
OpenAlex
W2768309288
Cited by
151
References
47
Citations by year
2026: 2 · 2025: 3 · 2024: 10 · 2023: 15 · 2022: 24 · 2021: 34 · 2020: 27 · 2019: 22 · 2018: 14
FWCI
14.31
Type
journal article
Language
en
Open access
closed
Locations
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (publishedVersion)
Funders
  • National Natural Science Fund of China for International Cooperation and Exchanges (61520106001)
  • National Natural Science Foundation of China (61601179)
  • National Natural Science Fund of China for Distinguished Young Scholars (61325007)
  • Fund of Hunan Province for Science and Technology Plan Project (2017RS3024)
Topics
  • Physical Sciences › Engineering › Media Technology › Remote-Sensing Image Classification
  • Physical Sciences › Engineering › Media Technology › Advanced Image Fusion Techniques
  • Physical Sciences › Chemistry › Analytical Chemistry › Spectroscopy and Chemometric Analyses
Keywords
hyperspectral image classification, Gabor filters, Gabor features, spectral-spatial features, feature fusion, stacked sparse autoencoder, deep networks, synthetic training data, limited training data

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