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
收藏
页码：2649 / 2652
页数：4
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