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一种波段降维的VCA高光谱端元提取算法研究

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摘要 高光谱图像解混过程一般包括三个方面,即波段降维、端元提取和光谱反演。这其中,高光谱图像端元提取算法研究是一个核心问题。VCA(Vertex Component Analysis,顶点成分分析)算法是一个经典的基于凸面几何学的端元提取方法。通过研究,对原始的VCA算法进行改进,首先计算出波段间的相关系数,然后将相关系数相同的波段保留一个其他去除,最后通过剩余的波段再利用VCA算法进行端元提取。仿真结果表明,该方法可以有效提取出图像中含有的端元成分,提高了计算效率。
出处 《大庆师范学院学报》 2017年第3期34-36,共3页 Journal of Daqing Normal University
基金 大庆师范学院博士基金资助项目(14ZR07)
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