结合小波变换和自适应分块的多聚焦图像快速融合

被引:21
作者
刘羽 [1 ]
汪增福 [1 ,2 ]
机构
[1] 不详
[2] 中国科学技术大学自动化系
[3] 不详
[4] 中国科学院合肥智能机械研究所
[5] 不详
关键词
多聚焦图像融合; 小波变换; 差分进化算法; 聚焦程度测量;
D O I
暂无
中图分类号
TP391.41 [];
学科分类号
080203 ;
摘要
提出一种基于小波变换和自适应分块相结合的多聚焦图像快速融合算法。该算法以小波变换为框架,对小波低频系数采用自适应尺寸分块的方法进行融合,图像块的尺寸由差分进化算法优化求解,然后对此低频融合结果进行精细化处理,得到一幅能精确到每个系数来源的标签图,再利用局部小波能量与该标签图相结合的方法对小波高频系数进行融合,最后重构得到融合结果。实验结果表明,该算法的融合结果在主观视觉效果和客观评价准则两方面均可以接近甚至达到图像融合领域的最好水平,且在提高融合质量和降低运算代价间取得了较好的折衷。
引用
收藏
页码:1435 / 1444
页数:10
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