Correction of C-arm projection matrices by 3D-2D rigid registration of CT-images using mutual information

被引：0
|
作者：
Müller, U
Bruck, S
Hesser, J
Männer, R
机构：
[1] Univ Mannheim, Inst Computat Med, D-68131 Mannheim, Germany
[2] Heidelberg Univ, Inst Computat Med, D-68131 Mannheim, Germany
来源：
BIOMEDICAL IMAGE REGISTRATION | 2003年 / 2717卷
关键词：
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The paper discusses rigid registration of a 3D volume to 2D projections based on Mutual-Information similarity measures. The experiments we conducted are similar to those of Zoellei. However, in order to obtain a stopping criterion we use the Resilient Backpropagation as optimizer.. Performing the registration on artificial images we obtain a speedup of approx. a factor of 10. We applied the matching approach to calibrate C-arm positions and found lateral movements of the detector of 0.5-1 nim in a given set of projections.
引用
收藏
页码：161 / 170
页数：10
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