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Image fusion algorithm based on PCA & self-adaptive region variance
Author(s): NIU Xiaozuo, JIA Kebin
Pages: 3179-
3181
Year: 2010
Issue:
8
Journal: Application Research of Computers
Keyword: 图像融合; 提升小波; 主元分析; 局部区域方差;
Abstract: 在对源图像进行提升小波变换的基础上,针对分解得到的低频分量和高频分量各自的特点,选取不同的融合规则,采用基于PCA和自适应区域方差的图像融合方法,即低频近似系数采用基于主元分析(PCA)加权法,高频细节系数采用自适应局部区域方差的融合方法,最后进行提升小波逆变换得到融合图像.实验结果表明,与传统算法相比,该算法不仅提高了信息量和清晰度,而且提高了融合图像与源图像的相关系数,降低了扭曲程度,有效地保...
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