Generative Adversarial Networks-Based Semi-Supervised Learning for Hyperspectral Image Classification

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ID: 41187
2017
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Ranked #105 of 170 articles by views in remote sensing

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Abstract
Classification of hyperspectral image (HSI) is an important research topic in the remote sensing community. Significant efforts (e.g., deep learning) have been concentrated on this task. However, it is still an open issue to classify the high-dimensional HSI with a limited number of training samples. In this paper, we propose a semi-supervised HSI classification method inspired by the generative adversarial networks (GANs). Unlike the supervised methods, the proposed HSI classification method is semi-supervised, which can make full use of the limited labeled samples as well as the sufficient unlabeled samples. Core ideas of the proposed method are twofold. First, the three-dimensional bilateral filter (3DBF) is adopted to extract the spectral-spatial features by naturally treating the HSI as a volumetric dataset. The spatial information is integrated into the extracted features by 3DBF, which is propitious to the subsequent classification step. Second, GANs are trained on the spectral-spatial features for semi-supervised learning. A GAN contains two neural networks (i.e., generator and discriminator) trained in opposition to one another. The semi-supervised learning is achieved by adding samples from the generator to the features and increasing the dimension of the classifier output. Experimental results obtained on three benchmark HSI datasets have confirmed the effectiveness of the proposed method , especially with a limited number of labeled samples.
Reference Key
he2017generativeremote Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors He, Zhi;Liu, Han;Wang, Yiwen;Hu, Jie;
Journal remote sensing
Year 2017
DOI
DOI not found
URL
https://www.mdpi.com/2072-4292/9/10/1042
Keywords Keywords not found

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