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Multiple features fusion for hyperspectral image classification based on extreme learning machine

机译:基于极端学习机的高光谱图像分类多种特征融合

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摘要

Hyperspectral image (HSI) classification is a popular issue in the domain of remote sensing. The fundamental challenges in HSI classification include small number of training samples, high dimensionality of the hyperspectral data and suitable spatial-spectral features. In this paper, we propose a novel multiple features fusion method for HSI classification based on extreme learning machines (ELM). We extract spectral feature via the principal component analysis (PCA), and extract spatial features via local binary pattern (LBP), Gabor feature and extended multiattribute profile (EMAP). Then we utilize probability voting to fuse the multiple features based on extreme learning machine model. Experiment on real HSI demonstrates that the proposed method is superior to some existing methods and it is suitable for small training sample size conditions.
机译:高光谱图像(HSI)分类是遥感域中的流行问题。 HSI分类中的根本挑战包括少量训练样本,高光谱数据的高维度和合适的空间光谱特征。在本文中,我们提出了一种基于极端学习机(ELM)的HSI分类的新型多种特征融合方法。我们通过主成分分析(PCA)提取光谱特征,并通过本地二进制模式(LBP),Gabor特征和扩展多分解配置文件(EMAP)提取空间特征。然后我们利用概率投票来融合基于极端学习机模型的多个特征。实验实验证明了所提出的方法优于一些现有方法,适用于小型训练样本尺寸条件。

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