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Spectral angle match prediction for lossless compression of hyperspectral imagery
Author(s): 
Pages: 1894-1898
Year: Issue:  6
Journal: CHINESE JOURNAL OF GEOPHYSICS

Keyword:  高光谱图像光谱角匹配无损压缩;
Abstract: 在地表信息获取方面,高光谱遥感是对地观测技术的主要方法,观测同时产生了海量高光谱图像的存贮与传输问题.研究发现,高光谱图像具有独特的光谱上下文特征,可从光谱维分析高光谱图像的光谱相关性,并用光谱角来度量相邻像素间的光谱相似性的差异,探测水平或垂直光谱边界,由此提出了基于光谱角匹配预测(SAMP)的无损压缩算法.实验表明,SAMP算法的预测效果好于已有文献中提出的一些优秀算法,且具有低复杂性.
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