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首页> 外文期刊>IEEE Geoscience and Remote Sensing Letters >Data Augmentation for Hyperspectral Image Classification With Deep CNN
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Data Augmentation for Hyperspectral Image Classification With Deep CNN

机译:深度CNN的高光谱图像分类的数据增强

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摘要

Convolutional neural network (CNN) has been widely used in hyperspectral imagery (HSI) classification. Data augmentation is proven to be quite effective when training data size is relatively small. In this letter, extensive comparison experiments are conducted with common data augmentation methods, which draw an observation that common methods can produce a limited and up-bounded performance. To address this problem, a new data augmentation method, named as pixel-block pair (PBP), is proposed to greatly increase the number of training samples. The proposed method takes advantage of deep CNN to extract PBP features, and decision fusion is utilized for final label assignment. Experimental results demonstrate that the proposed method can outperform the existing ones.
机译:卷积神经网络(CNN)已广泛用于高光谱图像(HSI)分类。当培训数据规模相对较小时,数据增强被证明是非常有效的。在这封信中,广泛的比较实验是用常见的数据增强方法进行的,这引起了观察,即常用方法可以产生有限和上升的性能。为了解决这个问题,建议将新的数据增强方法命名为像素块对(PBP),以大大增加训练样本的数量。所提出的方法利用深度CNN来提取PBP特征,决策融合用于最终标签分配。实验结果表明,所提出的方法可以优于现有的方法。

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