Image reconstruction from few views by non-convex optimization

被引：46

作者：

Sidky, Emil Y. ^{[1
]}

Chartrand, Rick ^{[2
]}

Pan, Xiaochuan ^{[1
]}

机构：

[1] Univ Chicago, Dept Radiol, MC 2026,5841 S Maryland Ave, Chicago, IL 60637 USA

[2] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

来源：

2007 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOLS 1-11 | 2007年

关键词：

D O I：

10.1109/NSSMIC.2007.4436889

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Image reconstruction for fan-beam computed tomography (CT) from projection data containing a small number of views is investigated. An iterative algorithm is developed that seeks to minimize the total p-variation of the reconstructed image subject to the constraint that the estimated projection data agree with the available data to within a specified data tolerance epsilon. A preliminary investigation on the dependence of image quality as a function of p and epsilon is performed.

引用

页码：3526 / +

页数：3

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