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Issue:
Image Fusion Algorithm Based on Weighted and Improved Wavelet Transform
Author(s):
WANG Zhi-wen
,
LIU Mei-zhen
,
CAI Qi-xian
,
XIE Guo-qing
Pages:
228
-
230
Year:
2009
Issue:
11
Journal:
Computer Engineering
Keyword:
小波变换
;
图像融合
;
图像信息熵
;
均方根误差
;
Abstract:
针对低对比度图像融合时会造成图像细节模糊等缺陷,提出一种基于加权双正交自适应小波变换的图像融合算法.取小波系数局部模极大并进行自适应加权修正以融合高频系数.采用对2幅原图像的低频系数加权自适应的方法对低频系数进行融合.对多聚焦图像和多光谱彩色图像分别采用计算图像信息熵和均方根误差、计算图像平均梯度的方法对融合的性能进行评价.实验结果表明,采用该融合规则得到的融合图像具有良好的融合效果.
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