Spatial-resolution enhancement in micro-CT

被引:0
|
作者
Pan, XC [1 ]
Yu, LF [1 ]
Kao, CM [1 ]
Pelizzari, C [1 ]
机构
[1] Univ Chicago, Dept Radiol, Chicago, IL 60637 USA
来源
2003 IEEE NUCLEAR SCIENCE SYMPOSIUM, CONFERENCE RECORD, VOLS 1-5 | 2004年
关键词
computed tomography (CT); image reconstruction; micro-CT;
D O I
10.1109/NSSMIC.2003.1352589
中图分类号
TL [原子能技术]; O571 [原子核物理学];
学科分类号
0827 ; 082701 ;
摘要
We propose a new strategy to improve sampling density and image resolution in micro-CT without changing hardware and without sacrificing the size of the allowable maximum field of view (FOV). Such a strategy is achieved by use of the asymmetric scanning configurations in which the center of rotation is moved to an off-center position and a reconstruction algorithm specifically developed for such configurations. We conducted numerical studies to validate and evaluate the proposed strategy, and quantitative results in these studies confirm that the proposed configurations and algorithm can significantly improve spatial resolution properties in micro-Cl
引用
收藏
页码:3244 / 3247
页数:4
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