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Improvement of spatial sampling for the list mode PET acquisition using the planned table / gantry movement
Improvement of spatial sampling for the list mode PET acquisition using the planned table / gantry movement
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机译:使用计划的工作台/龙门移动改进列表模式PET采集的空间采样
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摘要
A PET apparatus includes a detector array including individual detectors which receive radiation events from an imaging region. A movement controller controls at least one of relative longitudinal movement between a subject support and the detector array and circumferential movement between the detector array and the subject. A time stamp processor assigns a time stamp to each received radiation event. A list mode event storage buffer stores time stamped events. An event verification processor screens for coincidentally received radiation events, locations at which each pair of corresponding coincidentally received events defining a line of response. A reconstruction processor reconstructs valid events into an image representation of the imaging region.
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