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
收藏
页码：107 / 117
页数：11
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