Hyperspectral Target Detection Based on Tensor Sparse Representation
Hyperspectral Target Detection Based on Tensor Sparse Representation
复制标题
基于张量稀疏表示的高光谱目标检测
DOI:
10.1109/lgrs.2019.2902629
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发表时间:
2019-03
影响因子:
4.8
通讯作者:
Bin Wang
中科院分区:
文献类型:
--
作者:
Zehao Chen;Bin Wang
The sparse representation-based detection (SRD) algorithm has already shown the effectiveness for hyperspectral target detection (TD) recently. However, SRD does not utilize spatial information of hyperspectral imagery (HSI). In this letter, a novel tensor SRD (TSRD) algorithm is proposed to take jointly the spatial and the spectral information of HSI into account. TSRD extends each atom of both the target and the background dictionaries into a third-order tensor where the local spatial neighborhood information can be well preserved. It not only possesses the advantages of SRD that no assumptions about the target and background distributions are required and spectral variability can be considered but also exploits the spatial information of HSI to further increase the accuracy of TD. The experimental results on both synthetic and real hyperspectral data show that the proposed TSRD method outperforms traditional and state-of-the-art TD methods in terms of detection accuracy.
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