基于MRF模型的多模态图像配准技术研究Research on multimodal image registration technology based on MRF model
袁桂霞
摘要(Abstract)：
在医学图像处理领域中,医学图像配准技术极其重要,其价值体现在临床医学中对图像处理技术的应用。在解决多模态图像配准的相关问题时,基于互信息方法的应用最广泛,但在某些特定的应用中该方法受到的约束仍然较多。针对这一情况,提出一种新的医学图像配准算法,模态变换的引入作为此研究算法的基础,之后新的马尔可夫能量函数则根据两幅通过模态变换后的图像矩阵以及原配准图像得以构建。同时,为了优化能量函数引入了一种改进的梯度下降算法,从而得到配准结果。最后,运用不同的医学图像进行配准实验来验证该算法,通过实验证明该配准算法具有良好的有效性及抗噪性能。
关键词(KeyWords)： 图像配准;模态变换;马尔可夫随机场;梯度下降算法;非刚体配准;图像矩阵
基金项目(Foundation):
作者(Author): 袁桂霞
DOI: 10.16652/j.issn.1004-373x.2018.01.013
参考文献(References)：
- [1]张冉,王雷,夏威,等.2D/3D图像配准中的相似性测度和优化算法[J].激光与红外,2014(1):98-102.ZHANG Ran,WANG Lei,XIA Wei,et al.Comparison of similarity measurement and optimization[J].Laser&infrared,2014(1):98-102.
- [2]王雷,黄晨雪,王高波.改进的MRF彩色图像分割算法[J].计算机工程与应用,2016,52(13):191-194.WANG Lei,HUANG Chenxue,WANG Gaobo.Improved MRF color image segmentation algorithm[J].Computer engi-neering and applications,2016,52(13):191-194.
- [3]张静亚,王加俊.一种改进的非刚性医学图像配准算法[J].计算机应用研究,2015,32(4):1261-1264.ZHANG Jingya,WANG Jiajun.Improved non-rigid medicalimage registration algorithm[J].Application research of com-puters,2015,32(4):1261-1264.
- [4]金斌,周伟,丛瑜,等.一种基于局部不变特征的SAR图像配准新算法[J].哈尔滨工业大学学报,2014,46(11):112-118.JIN Bin,ZHOU Wei,CONG Yu,et al.A novel and efficientalgorithm using local invariant feature for SAR image registration[J].Journal of Harbin Institute of Technology,2014,46(11):112-118.
- [5]赵雪梅,李玉,赵泉华.结合高斯回归模型和隐马尔可夫随机场的模糊聚类图像分割[J].电子与信息学报,2014,36(11):2730-2736.ZHAO Xuemei,LI Yu,ZHAO Quanhua.Image segmentation by fuzzy clustering algorithm combining hidden Markov randomfield and Gaussian regression model[J].Journal of electronics&information technology,2014,36(11):2730-2736.
- [6]徐胜军,韩九强,何波,等.融合边缘特征的马尔可夫随机场模型及分割算法[J].西安交通大学学报,2014,48(2):14-19.XU Shengjun,HAN Jiuqiang,HE Bo,et al.A region Markovrandom field model with integrated edge feature and image segmentation algorithm[J].Journal of Xi’an Jiaotong University,2014,48(2):14-19.
- [7]余丽玲,徐彬锋,金浩宇,等.基于马尔科夫随机场的乳腺DCE-MRI图像序列配准[J].计算机与现代化,2015(11):74-78.YU Liling,XU Binfeng,JIN Haoyu,et al.Images registration of breast DCE-MRI by Markov random field[J].Computer and modernization,2015(11):74-78.
- [8]林江,戴齐,欧阳婷雪,等.一种边界和马尔可夫随机场相结合的脑MRI医学图像分割方法[J].中国医学物理学杂志,2015,32(5):717-720.LIN Jiang,DAI Qi,OUYANG Tingxue,et al.Brain magnetic resonance image segmentation combined boundary and Markov random field[J].Chinese journal of medical physics,2015,32(5):717-720.
- [9]郝培博,陈震,江少锋,等.基于Demons算法的2D、3D多模态医学图像非刚性配准研究[J].生物医学工程学杂志,2014(1):161-165.HAO Peibo,CHEN Zhen,JIANG Shaofeng,et al.Research on non-regid registration of multi-model medical image based on demons algorithm[J].Journal of biomedical engineering,2014(1):161-165.
- [10]刘晓慧,杨新锋.基于归一化互信息和金字塔分解优化的图像配准算法研究[J].微型电脑应用,2016,32(11):19-22.LIU Xiaohui,YANG Xinfeng.Research on image registration algorithm based on normalized mutual information and pyramid decomposition optimization[J].Microcomputer applications,2016,32(11):19-22.
- [11]秦绪佳,肖佳吉,陈珊,等.局部更新的分层B样条医学图像非刚性配准算法[J].小型微型计算机系统,2016,37(10):2338-2342.QIN Xujia,XIAO Jiaji,CHEN Shan,et al.Local updating algorithm of hierarchical B-spline based non-rigid registration for medical images[J].Journal of Chinese computer systems,2016,37(10):2338-2342.