Effect of the data constraint on few-view, fan-beam CT image reconstruction by TV minimization

被引：14
|
作者：
Sidky, Emil Y. [1 ]
Kao, Chien-Min [1 ]
Pan, Xiaochuan [1 ]
机构：
[1] Univ Chicago, Dept Radiol MC 2026, Chicago, IL 60637 USA
来源：
2006 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOL 1-6 | 2006年
关键词：
D O I：
10.1109/NSSMIC.2006.354372
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Application of the total variation (TV) minimization algorithm is applied to image reconstruction in few-view fan-beam computed tomography (CT). In particular, the impact of noise is investigated for different levels of tolerance on the data error. The artifacts due to noise are seen to vary dramatically in spatial frequency as the data error tolerance changes.
引用
收藏
页码：2296 / 2298
页数：3
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