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New Image Fusion Method based-on Improved Local Gradient Processing of Wavelet Coefficient
Author(s): 
Pages: 18-20
Year: Issue:  z1
Journal: VIDEO ENGINEERING

Keyword:  图像融合小波分解改进局部梯度融合性能;
Abstract: 给出了一种基于双正交小波变换的图像融合方法.针对图像小波分解后的高频系数,提出了基于局部梯度的选择和加权平均相结合的系数融合规则,在充分保留源图像细节信息前提下,保证融合结果的一致性.对多聚焦图像进行试验,并用交叉熵等参数作客观评价,结果表明本方法所得的融合图像能反映更丰富的细节信患,具有更强的噪声抑制能力和更好的视觉效果.
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