基于形状的CT图像断层间数据插值算法

被引:7
作者
雷印胜 [1 ]
王明时 [1 ]
秦然 [2 ]
机构
[1] 天津大学精密仪器与光电子工程学院
[2] 山东青年管理干部学院
关键词
CT脑血管图像; 形状和灰度; 层间插值;
D O I
10.13382/j.jemi.2007.03.015
中图分类号
TP391.41 [];
学科分类号
080203 ;
摘要
CT脑血管三维重建图像都是源自二维断层扫描,由于二维断层扫描图像是对一定厚度的三维物体在二维平面上的断层投影,在目前的技术水平下,相邻两断层图像间的扫描距离要大于同一断层中解剖组织相邻像素间的图像显示距离。为保证三维重建图像的质量,在研究了CT脑血管二维图像特征后,提出了一种新的基于形状和基于灰度的图像断层间数据插值算法,并取得了较理想的实验效果。
引用
收藏
页码:23 / 27
页数:5
相关论文
共 9 条
  • [1] A task-specific evaluation of three-dimensional image interpolation techniques. Grevera G J, Udupa J K, Miki Y. IEEE Transactions on Medical Imaging . 1999
  • [2] New shape-based interpolation technique for three-dimensional Images. Higgins W E,Morice C,Ritman E L. 1990International Conference on Acoustics,Speech,and Signal Processing of IEEE . 1999
  • [3] Shape-based inter-polation of tree-like structures in three-dimensional ima-ges. Higgins W E,Morice C,Ritman E L. IEEE Transactions on Medical Imaging . 2003
  • [4] A method of extreme concave surface interpolation for3-D medical image reconstruc-tion. Luo Limin,Gu Zhaoming. Journal of Southeast Uniuersity(Natural Sci-ence Edition) . 2003
  • [5] Matching of tomographic slices for interpolation. GOSHTASBY A, TRUNER D A, ACKERMAN L V. IEEE Transactions on Medical Imaging . 1992
  • [6] An objective comparison of 3-D image interpolation methods. Grevera G J, Udupa J K. IEEE Transactions on Medical Imaging . 1998
  • [7] Shaped-based interpolation of multidimensional grey-level images. Grevera G J,Udupa J K. IEEE Transactions on Medical Imaging . 2002
  • [8] Shape-based grey-1evel images interpolation. Chuang K S,Chen C Y,Yuan L J,et al. Physics in Medicine and Biology . 1999
  • [9] Binary morphological shape-based interpolation applied to 3-D tooth reconstruction. Bors A G, Kechagias L, Pitas I. IEEE Transactions on Medical Imaging . 2002