基于小波变换的融合算法研究  

Fusion Algorithm Based on Wavelet Transform

作　　者：尹德辉[1] 李炳法[2] 唐燕[3] 

机构地区：[1]宜宾学院计科系,四川宜宾644007 [2]四川大学计算机学院,四川成都610064 [3]四川电视大学,四川成都610073

出　　处：《系统仿真学报》2006年第5期1289-1291,共3页Journal of System Simulation

基　　金：四川省教育厅青年基金项目(2005B046)

摘　　要：目前许多关于图像融合算法的研究都在空域中进行,隐藏图像抗攻击的能力较差。采用了基于小波变换的图像融合技术,提出了基于小波变换的分块融合算法,使图像的鲁棒性得到很大的提高,尤其是抗JPEG压缩和抗噪声干扰的能力较强,算法可应用于数字图像的版权保护和信息隐藏领域。A lot of researches on image fusion have been carried out in the spatial domain. However, the hidden image＇s resistance to attacks is relatively inferior when image fusion is conducted in the spatial domain. In this paper, we develop a image fusion technique based on wavelet transform. By analyzing the image fusion model in the wavelet domain, we propose the segment fusion algorithm that is based on wavelet transform. The proposed algorithm improves the images＇ robustness significantly, especially their resistance to JPEG compression and noise disturbances. The algorithm can be applied in various fields such as copyright orotection of digital images and information hiding.

关 键 词：小波变换 数字水印 均方差 分块融合 

分 类 号：TP301.6[自动化与计算机技术—计算机系统结构]