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Geometric calibration for a SPECT system dedicated to breast imaging
Wu LW(武丽伟); Cao XX(曹学香); Wang L(王璐); Wu, LW; Cao, XX; Wang, L; Huang, XC; Chai, P; Yun, MK; Zhang, YB; Zhang, L; Shan, BC; Wei, L; Huang XC(黄先超); Chai P(柴培); Yuan MK(贠明凯); Zhang YB(张玉包); Zhang L(张龙); Dan BC(单保慈); Wei L(魏龙)
2012
发表期刊CHINESE PHYSICS C
卷号36期号:10页码:1019-1024
摘要Geometric calibration is critical to the accurate SPECT reconstruction. In this paper, a geometric calibration method was developed for a dedicated breast SPECT system with a tilted parallel beam (TPB) orbit. The acquisition geometry of the breast SPECT was firstly characterized. And then its projection model was established based on the acquisition geometry. Finally, the calibration results were obtained using a nonlinear optimization method that fitted the measured projections to the model. Monte Carlo data of the breast SPECT were used to verify the calibration method. Simulation results showed that the geometric parameters with reasonable accuracy could be obtained by the proposed method.
关键词geometric calibration acquisition geometry tilted parallel beam (TPB) breast SPECT Monte Carlo simulation
学科领域Physics
DOI10.1088/1674-1137/36/10/019
收录类别SCI
WOS记录号WOS:000309900800019
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224095
专题核技术应用研究中心
多学科研究中心
推荐引用方式
GB/T 7714
Wu LW,Cao XX,Wang L,et al. Geometric calibration for a SPECT system dedicated to breast imaging[J]. CHINESE PHYSICS C,2012,36(10):1019-1024.
APA 武丽伟.,曹学香.,王璐.,Wu, LW.,Cao, XX.,...&魏龙.(2012).Geometric calibration for a SPECT system dedicated to breast imaging.CHINESE PHYSICS C,36(10),1019-1024.
MLA 武丽伟,et al."Geometric calibration for a SPECT system dedicated to breast imaging".CHINESE PHYSICS C 36.10(2012):1019-1024.
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