The synthetic collimator for 2D and 3D imaging

被引：5

作者：

Clarkson, E ^{[1
]}

Wilson, DW ^{[1
]}

Barrett, HH ^{[1
]}

机构：

[1] Univ Arizona, Ctr Opt Sci, Tucson, AZ 85721 USA

来源：

MEDICAL IMAGING 1999: PHYSICS OF MEDICAL IMAGING, PTS 1 AND 2 | 1999年 / 3659卷

关键词：

image synthesis; multiple-pinhole apertures; parallel projections; three-dimensional reconstructions; data diversity; parameter estimation;

D O I：

10.1117/12.349478

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

We show how high-resolution parallel-projection images can be obtained with a synthetic collimator, a device that consists of a multiple-pinhole aperture with detector arrays in several locations behind it. Simulation studies indicate that this system is superior to a parallel-hole collimator system for parallel-projection imaging. We also show how three-dimensional reconstructions can be created with the synthetic collimator and present evidence from simulations that lesion detection will be better in these reconstructions than in either of the parallel-projection imaging systems..

引用

页码：107 / 117

页数：11

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