Optimization of Filtered Back-Projection for a Rayleigh Task

被引：0
|
作者：
Sanchez, Adrian A. [1 ]
Sidky, Emil Y. [1 ]
Pan, Xiaochuan [1 ]
机构：
[1] Univ Chicago, Dept Radiol, Chicago, IL 60637 USA
来源：
2013 IEEE NUCLEAR SCIENCE SYMPOSIUM AND MEDICAL IMAGING CONFERENCE (NSS/MIC) | 2013年
关键词：
D O I：
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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：
We consider the performance of the Hotelling Observer (HO) on a Rayleigh task in order to characterize the resolution properties of alternative implementations of the filtered back-projection (FBP) algorithm. Two alternative strategies, Hanning filtering in the reconstruction and Gaussian smoothing post-reconstruction, are considered. We find that use of the HO provides insight into the properties of these alternatives that would be lost through subjective image quality evaluation.
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