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Deep Multiview Learning for Hyperspectral Image Classification
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DOI：10.1109/TGRS.2020.3034133.png)
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摘要
En 中文
Recently, the field of hyperspectral image (HSI) classification is dominated by deep learning-based methods. However, training deep learning models usually needs a large number of labeled samples to optimize thousands of parameters. In this article, a deep multiview learning method is proposed to deal with the small sample problem of HSI. First, two views of an HSI scene are constructed by applying principal component analysis to different bands. Second, a deep residual network is designed to embed the different views of a sample to a latent space. The designed deep residual network is trained by maximizing agreement between differently augmented views of the same data sample via a contrastive loss in the latent space. Note that the training procedure of the designed deep residual network does not use labeled information. Therefore, the proposed method belongs to the category of unsupervised learning, which could alleviate the lack of labeled training samples. Finally, a conventional machine learning method (e.g., support vector machine) is used to complete the classification task in the learned latent space. To demonstrate the effectiveness of the proposed method, extensive experiments are carried on four widely used hyperspectral data sets. The experimental results demonstrate that the proposed method could improve the classification accuracy with small samples.
Keyword:
Training
Support vector machines
Radio frequency
Deep learning
Task analysis
Unsupervised learning
Residual neural networks
Deep learning
hyperspectral image (HSI) classification
multiview learning
small samples
期刊
IF:
8.6
论文数:
2.1W
被引数:
10.7W
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