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    • 2. 发明申请
    • Method of registration in a contraband detection system
    • 违禁检测系统中的注册方法
    • US20070172129A1
    • 2007-07-26
    • US11637226
    • 2006-12-11
    • John TortoraJeffrey StillsonKristoph Krug
    • John TortoraJeffrey StillsonKristoph Krug
    • G06K9/68G06K9/00G06K9/46
    • G01V5/0016G06K9/6211
    • A multi-level contraband detection system. At a first level, the system obtains volumetric information about an item under inspection. The volumetric information provides a basis for identifying suspect objects in the item under inspection and their locations. The location information is expressed in a first coordinate system relative to the device used for first level scanning. When first level scanning identifies a suspicious object, the item under inspection is passed to a second level scanner that can take further measurements on the suspicious objects. The second level machine is controlled in a second coordinate system. A translation between the two coordinate systems is obtained by registering a multi-dimensional image obtained at the first level with positioning information obtained at the second level. Registration is performed using a coarse and then a fine registration process for quick and accurate registration.
    • 多级违禁检测系统。 在第一级,系统获取关于被检查物品的体积信息。 体积信息为识别检查项目中的可疑物体及其位置提供依据。 相对于用于第一级扫描的设备,位置信息以第一坐标系表示。 当第一级扫描识别可疑对象时,被检查的物品被传递到可以对可疑对象进行进一步测量的第二级扫描器。 第二级机器被控制在第二坐标系中。 通过将在第一级获得的多维图像登记在第二级获得的定位信息来获得两个坐标系之间的平移。 使用粗略然后精细注册过程进行注册,以便快速准确的注册。