兵工自动化2015，Vol.34Issue(7)：76-78,3.DOI:10.7690/bgzdh.2015.07.017
窄角扇束CT仿真投影计算方法
Algorithm for Computation of Narrow Fan Beam CT Projections
周源 1陈庆贵 2周红梅1
作者信息
- 1. 海军航空工程学院七系,山东烟台 264001
- 2. 海军航空工程学院研究生管理大队,山东烟台 264001
- 折叠
摘要
Abstract
Narrow fan-beam CT is widely used in industrial field. To study the narrow fan beam computed tomography (CT) reconstruction algorithm and save scanning cost, there needs to carry out simulation of narrow fan-beam CT projection. On the basis of the characteristic of narrow fan-beam CT, we establish formula of narrow fan-beam CT simulation projections. In order to prove the effectiveness of formula of simulation projections, Shepp-Logan model was chosen to conduct simulation and image reconstruction. Results show that the formula of simulation projections is effective and accurate. The method can also be applied to the computation of wide fan beam CT projections.关键词
窄角扇束CT/仿真投影/滤波反投影Key words
narrow fan-beam CT/simulation projections/filtered back projection分类
信息技术与安全科学引用本文复制引用
周源,陈庆贵,周红梅..窄角扇束CT仿真投影计算方法[J].兵工自动化,2015,34(7):76-78,3.
