Reconstructing high resolution image from overlapped low   resolution fan beam projections data

ZHANG Peng  1  GUO Minghuan  2  1

doi:null

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Reconstructing high resolution image from overlapped low resolution fan beam projections data

更新时间：2021-03-12

- Reconstructing high resolution image from overlapped low resolution fan beam projections data
- NUCLEAR TECHNIQUES Issue 10, (2002)
- 作者机构：
  
  1. 北京信息工程学院
  2. 西北大学,北京,100101
  3. ,西安,710069
- 作者简介：
- 基金信息：
  
  国家自然科学基金 (6 99310 10 );教育部高等学校骨干教师资助计划资助
- DOI：
  CLC： TP391.41
- Published：01 October 2002
- 稿件说明：
移动端阅览
[1]张朋,郭明焕.由相叠的低分辨扇形束投影数据重建高分辨CT图像[J].核技术,2002(10):805-810.

ZHANG Peng 1 GUO Minghuan 2 1. Reconstructing high resolution image from overlapped low resolution fan beam projections data[J]. Nuclear techniques, 2002, (10): 805-810.
[1]张朋,郭明焕.由相叠的低分辨扇形束投影数据重建高分辨CT图像[J].核技术,2002(10):805-810. DOI：

ZHANG Peng 1 GUO Minghuan 2 1. Reconstructing high resolution image from overlapped low resolution fan beam projections data[J]. Nuclear techniques, 2002, (10): 805-810. DOI：

摘要

在研究扇形束插值代数重建法基础上

提出了由相叠的低分辨扇形束投影数据重建高分辨CT图像的两个新算法

即扇形束的虚拟探测器法和扇形束的直接重建法

并给出和分析了数值模拟结果

Abstract

Based on the study of the algebraic reconstruction techniques (ART) and the fan beam interpolative algebraic reconstruction techniques (FIART)

two novel algorithms to reconstruct high resolution CT image from overlapped low resolution fan beam projection data are presented. One of the algorithms is called fan beam virtual detector algorithm

and the other is called fan beam direct reconstruction algorithm. Some simulation results are shown and analyzed.

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