基于小波变换的图像融合算法研究Research on image fusion algorithm based on wavelet transform
刘娜,田大为
摘要(Abstract)：
图像融合是改善图像质量的一个重要途径,传统算法难以正确地对图像进行有效融合。为了提高图像融合的质量,提出一种基于小波变换的图像融合算法。首先对2幅原始图像进行小波变换,提取它们的小波系数,然后采用不同的规则对不同层次的小波系数进行融合,并采用小波变换对融合的系数进行融合,最后采用不同类型对图像融合结果进行测试和分析。结果表明,小波变换融合后的图像更加自然、清晰,提高了图像的信噪比,并且图像融合速度明显加快,获得了比对比算法更加理想的图像融合效果。
关键词(KeyWords)： 图像质量;小波变换;神经网络;加权融合;信噪比;图像融合
基金项目(Foundation): 湖北省高校人文社科重点研究基地开放基金资助(2015YB005)~~
作者(Author): 刘娜,田大为
DOI: 10.16652/j.issn.1004-373x.2018.07.018
参考文献(References)：
- [1]ALPARONE L,BARONTI S,GARZELLI A.Landsat ETM+and SAR image fusion based on generalized intensity modulation[J].IEEE transactions on geosciences and remote sensing,2004,42(12):2832-2842.
- [2]周浦城,韩裕生,薛模根,等.基于非负矩阵分解和IHS颜色模型的偏振图像融合方法[J].光子学报,2010,39(9):1682-1686.ZHOU Pucheng,HAN Yusheng,XUE Mogen,et al.The method of polarization image fusion based on nonnegative matrix decomposition and IHS color model[J].Acta photonica sinica,2010,39(9):1682-1686.
- [3]王宏,敬忠良,李建勋.一种基于图像块分割的多聚焦图像融合方法[J].上海交通大学学报,2003,37(11):1743-1750.WANG Hong,JING Zhongliang,LI Jianxun.Multi focus image fusion using image black segment[J].Journal of Shanghai Jiao Tong University,2003,37(11):1743-1750.
- [4]CHEN Shaohui,ZHANG Renhua,SU Hongbo,et al.SAR and multispectral image fusion using generalized IHS transform based on atrous wavelet and EMD decompositions[J].IEEE journals and magazines,2010,10(3):737-745.
- [5]张华,黄辉,刘邦明.结合Contourlet变换和区域特征的图像融合算法[J].计算机工程与应用,2013,49(22):160-162.ZHANG Hua,HUANG Hui,LIU Bangming.Image fusion algorithm based on Contourlet transform and region features[J].Computer engineering and applications,2013,49(22):160-162.
- [6]刘涛,张登福,何宜宝.基于区域分割和非下采样轮廓波变换的多聚焦图像融合算法[J].计算机应用,2010,30(10):2805-2807.LIU Tao,ZHANG Dengfu,HE Yibao.Multi-focus image fusion algorithm based on region segmentation and nonsubsampled contourlet transform[J].Journal of computer applications,2010,30(10):2805-2807.
- [7]牛佳.基于CVX和非负矩阵分解的图像融合研究[J].计算机工程与设计,2008,29(20):5311-5313.NIU Jia.Study for image fusion based on CVX and non-negative matrix factorization[J].Computer engineering and design,2008,29(20):5311-5313.
- [8]吴川,杨冬.改进的多光谱双边滤波图像融合[J].中国图象图形学报,2013,18(9):1170-1175.WU Chuan,YANG Dong.Improved multispectral bilateral filter video fusion algorithm[J].Journal of image and graphics,2013,18(9):1170-1175.
- [9]张强,郭宝龙.基于非采样Contourlet变换的遥感图像融合算法[J].光学学报,2008,28(1):74-80.ZHANG Qiang,GUO Baolong.Remote sensing image fusion based on the nonsubsampled Contourlet transform[J].Acta optica sinica,2008,28(1):74-80.
- [10]陈焕平,何明一,李旭.基于SWT区域对比度像素提取的多聚焦图像融合[J].中国图象图形学报,2011,16(5):865-870.CHEN Huanping,HE Mingyi,LI Xu.Multi-focus image fusion using pixel extraction based on SWT regional contrast[J].Journal of image and graphics,2011,16(5):865-870.
- [11]闫莉萍,刘宝生,周东华.一种新的图像融合及性能的评价方法[J].系统工程与电子技术,2007,29(4):509-513.YAN Liping,LIU Baosheng,ZHOU Donghua.Novel image fusion algorithm with novel performance evaluation method[J].Systems engineering and electronics,2007,29(4):509-513.
- [12]孙伟,郭宝龙,陈龙.非降采样Contourlet域方向区域多聚焦图像融合算法[J].吉林大学学报(工学版),2009,39(5):1384-1389.SUN Wei,GUO Baolong,CHEN Long.Multifocus image fusion algorithm based on directional window statistics in nonsubsampled Contourlet domain[J].Journal of Jilin University(engineering and technology edition),2009,39(5):1384-1389.