A Post-Processing Method of Scatter Modeling in SPECT

被引：0

作者：

Yan, Yan ^{[1
]}

Zeng, Gengsheng L. ^{[2
]}

机构：

[1] Univ Utah, Dept Phys, Salt Lake City, UT 84112 USA

[2] Univ Utah, Dept Radiol, Salt Lake City, UT 84108 USA

来源：

2006 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOL 1-6 | 2006年

基金：

美国国家卫生研究院;

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we propose a post-processing method to estimate the scattering effect in SPCET. The estimation is performed in the reconstructed image. An efficient filtered backprojection algorithm is used to reconstruct the image. A two-dimensional scatter point spread function (2D-PSF) in the image domain is proposed and obtained from a point source object and a non-uniform attenuation map in an efficient way. The estimated 2D-PSF is compared with the results from the Monte Carlo simulations. The immediate application of this 2D-PSF is in image deblurring to compensate for the scattering effect.

引用

页码：2649 / 2652

页数：4

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