Generalised supervised local tangent space alignment for hyperspectral image classification

Generalised supervised local tangent space alignment for hyperspectral image classification
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DOI:
10.1049/el.2010.2613
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发表时间:
2010-04
影响因子:
1.1
通讯作者:
Li Ma;M. Crawford;J. Tian
Li Ma;M. Crawford;J. Tian
中科院分区:
工程技术4区
文献类型:
--
作者:
Li Ma;M. Crawford;J. Tian

文献摘要

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给出了局部切空间对齐(LTSA)算法的核函数,实现了LTSA和监督LTSA(SLTSA)算法的推广。此外,使用广义SLTSA(GSLTSA),一个简化的分类算法,提出了高光谱图像数据。实验结果表明,该方法具有良好的泛化性能,GSLTSA能够利用高光谱数据的非线性特性,有利于分类。
Providing the kernel function of the local tangent space alignment (LTSA) algorithm, the generalisation of both LTSA and supervised LTSA (SLTSA) is achieved. Moreover, using the generalised SLTSA (GSLTSA), a simplified classification algorithm is proposed for hyperspectral image data. Experimental results demonstrate that the generalisation method has good performance, and the GSLTSA is capable of exploiting the nonlinear properties of hyperspectral data to benefit the classification.