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A Monte-Carlo simulation study on coarse septa for scatter correction in 3D PET

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6 Author(s)
Hasegawa, T. ; Sch. of Allied Health Sci., Kitasato Univ., Sagamihara, Japan ; Tanaka, Eiichi ; Yamashita, T. ; Watanabe, M.
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This report shows the usefulness of coarse septa in positron emission tomography by Monte-Carlo simulation. It was shown that coarse septa result in higher sensitivity than two-dimensional mode with conventional full-septa and lower scatter fraction than three-dimensional mode without septa. In addition, we propose a new scatter correction method using coarse septa, where scatter components are estimated from coincidence data for those line-of-responses that are intercepted by coarse septa. This scatter correction potentially has an ability to cope with scatter from radioactivity outside the field-of-view

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Nuclear Science Symposium Conference Record, 2001 IEEE  (Volume:4 )

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