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    • 2. 发明申请
    • SYNCHRONIZATION METHOD AND SYSTEM FOR SINGLE EVENT LIST TYPE DATA IN PET IMAGING
    • PET成像中单事件列表类型数据的同步方法和系统
    • US20150302614A1
    • 2015-10-22
    • US14408935
    • 2012-08-14
    • Qingguo XIEYuanbao CHENJun ZHUXin CHENZhongyi WULuyao Wang
    • Qingguo XIEYuanbao CHENJun ZHUXin CHENZhongyi WULuyao Wang
    • G06T11/00G01T1/29
    • G06T11/006A61B6/037G01T1/2985
    • A method for synchronizing list-mode data of single events in a PET imaging includes: acquiring list-mode data of single events of each independent detection module, calculating a probability density of time intervals between occurrences of single events in detection module and setting initial parameters, determining detection starting time difference of each detection module with iterative peak searching and graded time window, and performing synchronization correction and coincidence discrimination on the single event data in each detection module based on the detection starting time difference. A system for synchronizing list-mode data of single events in a PET imaging includes: a data acquisition and frequency difference compensation module, an initial parameter setting module, a coarse time scale coincidence module, a fine time scale coincidence module and a data synchronization correction and coincidence discrimination module.
    • 用于同步PET成像中的单个事件的列表模式数据的方法包括:获取每个独立检测模块的单个事件的列表模式数据,计算检测模块中单个事件发生之间的时间间隔的概率密度,并设置初始参数 利用迭代峰值搜索和分级时间窗来确定每个检测模块的检测开始时间差,并且基于检测开始时间差对每个检测模块中的单个事件数据执行同步校正和重合判别。 一种用于在PET成像中同步单个事件的列表模式数据的系统包括:数据采集和频差补偿模块,初始参数设置模块,粗时间符合模块,精细时标重合模块和数据同步校正 和巧合辨别模块。