计算机科学 ›› 2018, Vol. 45 ›› Issue (12): 217-222.doi: 10.11896/j.issn.1002-137X.2018.12.036
杨利素, 王雷, 郭全
YANG Li-su, WANG Lei, GUO Quan
摘要: 为弥补传统图像融合方法融合质量不高的缺点,提出了基于非下采样剪切波变换(Nonsubsampled Shearlet Transform,NSST)与自适应脉冲耦合神经网络(Pulse Coupled Neural Network,PCNN)的图像融合方法。首先,利用非下采样剪切波变换对源图像进行剪切波分解;然后,采用基于图像引导滤波器的融合规则对得到的低频分量进行低频融合;其次,对于高频分量,采用改进的空间频率作为PCNN的输入,利用改进的拉普拉斯能量和作为PCNN的链接强度;最后,通过NSST逆变换得到融合后的图像。实验结果表明,相比于传统的融合规则,文中提出的算法在主观效果上能很好地保留细节信息,并抑制伪影和失真的产生;在客观评价上,其在标准差、边缘信息传递量、信息熵和互信息等常用指标上的表现更为优越。
中图分类号:
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