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The Application of Multi-wavelet Transform in Night-vision Image Fusion Algorithm
Author(s): 
Pages: 502-505
Year: Issue:  5
Journal: LASER & INFRARED

Keyword:  夜视图像融合多小波变换阈值去噪子带增强;
Abstract: 从微光图像和红外图像的特点出发,提出了一种基于多小波变换的夜视图像融合算法.该方法先对夜视图像进行多小波变换得到各子带的多小波系数,其低频系数采用自适应加权融合算子进行融合,高频系数先进行阈值去噪和子带增强,再采用基于频带方向的融合算子进行融合,经多小波逆变换后得到融合图像.实验结果表明,本文算法与单小波融合算法、传统融合算法相比,得到的图像能更好地突出图像的边缘特征,增强图像的可视性和清晰度,并在信息熵、峰值信噪比等客观性能指标上取得了显著的改善.
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