The meaning of interior tomography

被引：78
作者：
Wang, Ge [1 ]
Yu, Hengyong [2 ,3 ]
机构：
[1] Rensselaer Polytech Inst, Dept Biomed Engn, Troy, NY 12180 USA
[2] Wake Forest Univ Hlth Sci, Dept Radiol, Winston Salem, NC 27157 USA
[3] Wake Forest Univ Hlth Sci, VT WFU Sch Biomed Engn & Sci, Biomed Imaging Div, Winston Salem, NC 27157 USA
来源：
PHYSICS IN MEDICINE AND BIOLOGY | 2013年 / 58卷 / 16期
基金：
美国国家科学基金会;
关键词：
CONE-BEAM RECONSTRUCTION; PHASE-CONTRAST CT; INTEREST IMAGE-RECONSTRUCTION; TRUNCATED HILBERT TRANSFORM; A-PRIORI KNOWLEDGE; OF-INTEREST; LOCAL TOMOGRAPHY; FILTERED BACKPROJECTION; RADON-TRANSFORM; ITERATIVE RECONSTRUCTION;
D O I：
10.1088/0031-9155/58/16/R161
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
The classic imaging geometry for computed tomography is for the collection of un-truncated projections and the reconstruction of a global image, with the Fourier transform as the theoretical foundation that is intrinsically non-local. Recently, interior tomography research has led to theoretically exact relationships between localities in the projection and image spaces and practically promising reconstruction algorithms. Initially, interior tomography was developed for x-ray computed tomography. Then, it was elevated to have the status of a general imaging principle. Finally, a novel framework known as 'omni-tomography' is being developed for a grand fusion of multiple imaging modalities, allowing tomographic synchrony of diversified features.
引用
收藏
页码：R161 / R186
页数：26
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