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Attenuation correction for dedicated breast PET using only emission data based on consistency conditions
Wang L(王璐); Chai P(柴培); Wu LW(武丽伟); Wang, L; Chai, P; Wu, LW; Yun, MK; Zhou, XL; Liu, SQ; Zhang, YB; Shan, BC; Wei, L; Yuan MK(贠明凯); Zhou XL(周小林); Dan BC(单保慈); Wei L(魏龙); Zhang YB(张玉包); Liu SQ(刘双全)
2013
发表期刊CHINESE PHYSICS C
卷号37期号:1页码:18201
摘要Accurate attenuation correction is required in dedicated breast PET imaging systems for image artifact removal and quantitative studies. In this study, a method using only emission data based on consistency conditions is proposed for attenuation correction in breast PET imaging systems. The consistency conditions are exploited to evaluate the accuracy of the estimated attenuation distribution and find the appropriate parameters that yield the most consistent attenuation distribution with the measured emission data. We have proved the validity of the method with experimental investigations and single-patient studies using a dedicated breast PET. The results show that the method is capable of accurately estimating the attenuation distribution of a uniform attenuator from the experimental data with various relatively low activities. The results also show that in single-patient studies, the method is robust for the irregular boundary of breast tissue and provides a distinct improvement in image quality.
关键词attenuation correction breast PET consistency conditions
学科领域Physics
DOI10.1088/1674-1137/37/1/018201
收录类别SCI
WOS记录号WOS:000314891200024
引用统计
被引频次:3[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/311005/224749
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
Wang L,Chai P,Wu LW,et al. Attenuation correction for dedicated breast PET using only emission data based on consistency conditions[J]. CHINESE PHYSICS C,2013,37(1):18201.
APA 王璐.,柴培.,武丽伟.,Wang, L.,Chai, P.,...&刘双全.(2013).Attenuation correction for dedicated breast PET using only emission data based on consistency conditions.CHINESE PHYSICS C,37(1),18201.
MLA 王璐,et al."Attenuation correction for dedicated breast PET using only emission data based on consistency conditions".CHINESE PHYSICS C 37.1(2013):18201.
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