基于小波变换的最佳融合算法(英文)  

AN OPTIMAL IMAGE FUSION ALGORITHM BASED ON WAVELET TRANSFORM

作　　者：尹德辉[1] 刘帮涛[1] 张勇[1] 李仕琼[1] 李敏军[1] 

机构地区：[1]泸州医学院生物医学工程系,四川泸州646000

出　　处：《泸州医学院学报》2011年第5期566-569,共4页Journal of Luzhou Medical College

基　　金：Supported by the Fund of Department of Education of Sichuan Province of China(No.08ZC055)

摘　　要：目的:实现图像的最大融合,增强隐藏图像的抗攻击能力。方法:用最小二乘原理得到与图像有关的置乱变换,提高算法的融合度。将融合因子与置乱操作所用矩阵及迭代次数作为密钥,增加算法的安全性。结果:实验证明该算法使图像的融合因子和融合度得到较大提高。结论:可广泛应用于电子图像的版权保护和加密信息的网络安全传输。Objective： To maximize fusion and enhance the hidden image＇s capability of resisting attacks,a fusion model in wavelet domain is proposed.Methods：The image related scrambling transform was derived based on least square error principle. The algorithm improves the extent of fusion. The fusion factor, the scrambling matrix and iteration number are used as secret keys with the intention of improving the algorithm＇s security. Results： Simulation experiments have proved that the proposed algorithm improves the fusion factor and the extent of fusion. Conclusion： The algorithm can he widely used for copyright protection of electronic image products and encrypted transmission of important military information.

关 键 词：小波变换 最佳几何变换 最小二乘原理 最大融合因子 融合技术 

分 类 号：TP392[自动化与计算机技术—计算机应用技术]