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    • 10. 发明授权
    • Detecting contraband by employing interactive multiprobe tomography
    • 通过采用交互式多功能层析成像技术检测违禁品
    • US5642393A
    • 1997-06-24
    • US533956
    • 1995-09-26
    • Kristoph D. KrugMichael EllenbogenPaul J. HurdJohn O. Tortora
    • Kristoph D. KrugMichael EllenbogenPaul J. HurdJohn O. Tortora
    • G01V5/00G01N23/04
    • G01V5/0016G01V5/0025G01V5/0033
    • An inspection system for detecting a specific material of interest in items of baggage or packages includes a multi-view X-ray inspection probe and one or more material sensitive probes. The multi-view X-ray inspection probe employs X-ray radiation transmitted through or scattered from an examined item to identify a suspicious region inside the item. An interface is used to receive from said X-ray inspection probe X-ray data providing spatial information about the suspicious region and to provide this information to a selected material sensitive probe. The material sensitive probe then acquires material specific information about the previously-identified suspicious region and provides it to a computer. The computer uses a high level detection algorithm to identify presence of the specific material in the suspicious region. The material sensitive probe may be a directional probe such as a coherent scatter probe, or a non-directional probe such as a Compton scatter probe or an NQR probe. The detection algorithm can automatically employ the different probes operating in a preferred geometry. The inspection system may also include a graphical interface and an operator interface that enable interactive communication with the detection algorithm.
    • 用于检测行李或包裹物品中的特定材料的检查系统包括多视点X射线检查探针和一个或多个物质敏感探针。 多视点X射线检查探针使用从被检查物品透射或散射的X射线辐射来识别物品内的可疑区域。 接口用于从所述X射线检查探针接收X射线数据,提供关于可疑区域的空间信息,并将该信息提供给所选择的材料敏感探针。 然后,物质敏感探测器获取关于先前确定的可疑区域的材料特定信息,并将其提供给计算机。 计算机使用高级检测算法来识别可疑区域中特定物质的存在。 材料敏感探针可以是定向探针,例如相干散射探针或诸如康普顿散射探针或NQR探针的非定向探针。 检测算法可以自动采用以优选几何形式工作的不同探针。 检查系统还可以包括能够与检测算法进行交互式通信的图形界面和操作者界面。