Cited by 238Remote-Sensing Image ClassificationAdvanced Neural Network ApplicationsRemote Sensing and Land Use

Hyperspectral imagery classification using sparse representations of convolutional neural network features

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Liang, Heming, Li, Qi·2016·Remote Sensing

Abstract

In recent years, deep learning has been widely studied for remote sensing image analysis. In this paper, we propose a method for remotely-sensed image classification by using sparse representation of deep learning features. Specifically, we use convolutional neural networks (CNN) to extract deep features from high levels of the image data. Deep features provide high level spatial information created by hierarchical structures. Although the deep features may have high dimensionality, they lie in class-dependent sub-spaces or sub-manifolds. We investigate the characteristics of deep features by using a sparse representation classification framework. The experimental results reveal that the proposed method exploits the inherent low-dimensional structure of the deep features to provide better classification results as compared to the results obtained by widely-used feature exploration algorithms, such as the extended morphological attribute profiles (EMAPs) and sparse coding (SC).

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Crossref · 10.3390/rs8020099

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35 of 35 references verified0 citation errors · 0 not checkable

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  • Deep features show powerful ability in image representation and understanding by providing high-level spatial information created by hierarchical structures rather than generating low-level features.

    “This was mainly because deep features show powerful ability in image representation and understanding (Li et al., 2018b), by providing high-level spatial information which is created by hierarchical structures (Liang and Li, 2016) rather than generating low-level features (Zhao and Du, 2016).”

    From Deep learning in remote sensing applications: A meta-analysis and review (2019) · cites this paper as Liang and Li, 2016

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Authors
Liang, H., & Li, Q.
Affiliations
Peking University (CN)
Corresponding author
Li, Qi
ORCID
Li, Qi
Venue
Remote Sensing
Publisher
MDPI AG
Published
2016-01-27
Volume
8
Issue
2
Pages
99
ISSN
2072-4292 (ISSN-L)
OpenAlex
W2257669061
Cited by
238
References
35
Citations by year
2026: 9 · 2025: 6 · 2024: 19 · 2023: 17 · 2022: 27 · 2021: 28 · 2020: 26 · 2019: 34 · 2018: 26 · 2017: 39 · 2016: 7
FWCI
37.95
Type
journal article
Language
en
Open access
Locations
  • Remote Sensing (publishedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Physical Sciences › Engineering › Media Technology › Remote-Sensing Image Classification
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Neural Network Applications
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Remote Sensing and Land Use
Keywords
hyperspectral image classification, sparse representation, convolutional neural network features, deep features, low-dimensional subspace, feature extraction, sparse coding

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