Quasi-one-dimensional tomography

被引：7
|
作者：
Gureyev, TE [1 ]
Evans, R [1 ]
Stuart, SA [1 ]
Cholewa, M [1 ]
机构：
[1] UNIV MELBOURNE,SCH PHYS,PARKVILLE,VIC 3052,AUSTRALIA
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1996年 / 13卷 / 04期
关键词：
D O I：
10.1364/JOSAA.13.000735
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A method of tomographic reconstruction is proposed that uses a priori known anisotropy of layered samples to reduce the amount of necessary projection data significantly. We show that an anisotropic scanning geometry, in accordance with the known anisotropy of a sample, allows the accurate reconstruction of the sample from the data of only a few angular projections with sufficiently fine translational step. A generic model for a particular class of samples with layered structure is presented, and the corresponding reconstruction algorithm is developed and tested on simulated and experimental data. (C) 1996 Optical Society of America
引用
收藏
页码：735 / 742
页数：8
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