|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