|Table of Contents|

[1] Zhang Hui, Luo Limin, Shu Huazhong, Li Songyi, et al. Projection registration of X-ray image and CT image [J]. Journal of Southeast University (English Edition), 2003, 19 (1): 26-30. [doi:10.3969/j.issn.1003-7985.2003.01.007]
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Projection registration of X-ray image and CT image()
X射线图像和CT图像的投影配准
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
19
Issue:
2003 1
Page:
26-30
Research Field:
Computer Science and Engineering
Publishing date:
2003-03-30

Info

Title:
Projection registration of X-ray image and CT image
X射线图像和CT图像的投影配准
Author(s):
Zhang Hui1;  Luo Limin1;  Shu Huazhong1;  Li Songyi1;  Pascal Haigron2
1Department of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
2Laboratory of Treatment of Signal and Image, University of Rennes I, France 35042
张惠1;  罗立民1;  舒华忠1;  李松毅1;  Pascal Haigron2
1东南大学生物科学与医学工程系, 南京 210096; 2法国雷恩第一大学信号与图像处理实验室, 法国雷恩 35042
Keywords:
image registration;  calibration matrix;  image segmentation;  distance transformation;  simulated annealing
图像配准;  校准矩阵;  图像分割;  距离变换;  模拟退火
PACS:
TP391.1
DOI:
10.3969/j.issn.1003-7985.2003.01.007
Abstract:
A methodology for alignment of an X-ray image and a CT image, based on the Chamfer 3-4 distance transform and simulated annealing optimization algorithm is presented. Firstly, an initial transformation matrix is constructed. For the convenience of computing, geometric models of the X-ray device to reconstruct the calibration matrix are used. Then, by defining the distance between the 3-D projective and the 2-D object image, we optimize this distance matching problem, using the simulated annealing algorithm. This method is also integrated into medical intra-operation, dealing with the data set acquired from 3-D image workstation and active navigation.
提出了一种基于Chamfer 3-4 距离变换和模拟退火优化的方法, 用于X射线图像和CT图像间的配准.首先, 建立一个初始化的几何变换矩阵.为了便于计算, 通过X射线设备的几何模型重新建出变换矩阵.然后, 通过定义三维投影和二维物体图像之间的距离, 并且通过优化算法来使之达到最小.该方法同样被用于医学介入手术中, 处理从三维图像工作站中获取的主动漫游数据.

References:

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Memo

Memo:
Biographies: Zhang Hui(1976—), male, graduate; Luo Limin(corresponding author), male, doctor, professor, luo.list@seu.edu.cn.
Last Update: 2003-03-20