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    • 2. 发明申请
    • Nearest-neighbor rebinning in clinical PET using on-line three dimensional LOR-to-bin mapping
    • 使用在线三维LOR到bin映射的临床PET中最近邻重新重组
    • US20050253075A1
    • 2005-11-17
    • US11130632
    • 2005-05-16
    • William JonesJohn BreedingBryan CastleberryJohnny Reed
    • William JonesJohn BreedingBryan CastleberryJohnny Reed
    • G01T1/164G01T1/29
    • G01T1/2985A61B6/037
    • A projection data rebinning device for nearest-neighbor rebinning in Positron Emission Tomography (PET) using on-line 3D axial LOR-to-bin mapping. The PETLINK™ DMA Rebinner (PDR) of the present invention includes a PCI card for on-line translation of detector-pair event packets into bin-address packets. The PDR delivers accurate axial and transaxial LOR nearest-neighbor rebinning and enables the more oblique LOR to be mapped into the proper sinogram bins. The PDR is used in association with hardware architecture in electrical communication with a medical imaging device. The data acquisition architecture includes a processor, random access memory (RAM), an operating system, and a data storage device. The PDR includes a plurality of FPGAs and flash chips. The FPGAs are in communication with each other via a high-bandwidth connection. The flash memory chips are used for look-up tables. The PDR performs on-line translation of detector-pair event packets into bin-address packets.
    • 一种投影数据重组装置,用于在正电子发射断层扫描(PET)中使用在线三维轴向LOR到箱体映射进行最近邻重组。 本发明的PETLINK TM DMA Rebinner(PDR)包括用于将检测器对事件分组在线转换成bin-地址分组的PCI卡。 PDR提供精确的轴向和横轴LOR最近邻重组,并使更多的倾斜LOR映射到正确的正弦图形箱。 PDR与与医学成像设备电通信的硬件结构相关联使用。 数据采集​​架构包括处理器,随机存取存储器(RAM),操作系统和数据存储设备。 PDR包括多个FPGA和闪存芯片。 FPGA通过高带宽连接彼此通信。 闪存芯片用于查找表。 PDR将检测器对事件数据包进行在线转换,进入bin-address数据包。