一种非刚性医学图像点配准方法
于佳;于国华;
摘要(Abstract)：
非刚性图像配准问题已成为医学图像分析中一个非常具有挑战性的问题。基于薄板样条的方法,以薄板样条(TPS)为形变模型,引入实匹配矩阵,把薄板样条参数表示成仿射分量和非仿射分量,并分别进行求解。与其他非刚性配准算法相比,该算法能有效的处理冗余点,抗噪能力较强。实验结果表明,该方法在非刚性配准中具有较好的鲁棒性。
关键词(KeyWords)： 非刚性;配准;薄板样条;冗余点
基金项目(Foundation):
作者(Author): 于佳;于国华;
Email:
DOI:
参考文献(References)：
- [1]Barbara Zitova,Jan Flusser.Image registration methods:a surver.Image and Vision Computing,2003,21(11):977～1000.
- [2]Fitzgibbon AW.Robust registration of2D and3D point sets[J].Image Vision Comput,2003,21(13-14):1145～1153.
- [3]T Cootes,C Taylor,et al.Active shape models:Their training and application[J].Computer Visionand ImageUnderstanding,1995,61(1):38-59.
- [4]Bernd Fischer,Jan Modersitzki.A unified approach to fast image registration and a new curvature based registration technique.Linear Algebra and its Applications,2004,380:107～124.
- [5]Chui H,Rambo J,Duncan J,etal.Registration of cortical anatomical structures via robust3D point matching[A].In Proceedings of Information Processing in Medical Imaging-IPM I99[C].New York,USA:Springer-Verlag Prress,1999,168～181.
- [6]Tsao,J.EEE Trans.Interpolation artifacts in multimodality image registration based on maximization of mutual information.Med.Imaging,2003,22:854～864.
- [7]R.,Zagrodsky.Mutual information-based rigid and nonrigid registration of ultrasound volumes Shekhar,IEEE Trans.Med.Imaging,2002,21(1):9～22.
- [8]Shekhar,R.,Zagrodsky,V.High-speed registration of three-and four-dimensional medical images by using voxel similarity.Radiographics,2003,23(6):1673～1681.
- [9]冯林等.用分层互信息和薄板样条实现医学图像弹性自动配准.计算机辅助设计与图形学报,2005.17(7):1492～1496.
- [10]张煜,刘哲星等.用平滑薄板样条实现医学图象的弹性配准.中国图像图形学报,2003,8(2):209～213.