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    • 6. 发明申请
    • Methods for registration of three-dimensional frames to create three-dimensional virtual models of objects
    • 用于注册三维框架以创建对象的三维虚拟模型的方法
    • US20050069188A1
    • 2005-03-31
    • US10953240
    • 2004-09-29
    • Rudger RubbertThomas WeisePeer SporbertHans ImgrundDimitrij Kouzian
    • Rudger RubbertThomas WeisePeer SporbertHans ImgrundDimitrij Kouzian
    • A61C7/00A61C7/14A61C9/00A61F2/30G06K9/00
    • G06T7/35A61C7/00A61C7/002A61C7/146A61C9/0053A61C13/0004A61F2002/30953B33Y50/00B33Y80/00G06K2009/2045G06K2209/05G06K2209/40G06T7/30G06T2207/30004
    • A method and system are provided for constructing a virtual three-dimensional model of an object using a data processing system, and at least one machine-readable memory accessible to said data processing system. A set of at least two digital three-dimensional frames of portions of the object are obtained from a source, such as a computing system coupled to an optical or laser scanner, CT scanner, Magnetic Resonance Tomography scanner or other source. The at least two frames comprise a set of point coordinates in a three dimensional coordinate system providing differing information of the surface of the object. The frames provide a substantial overlap of the represented portions of the surface of the object, but do not coincide exactly for example due to movement of the scanning device relative to the object between the generation of the frame. Data representing the set of frames are stored in the memory. The data processing system processes the data representing the set of frames with said data processing system so as to register the frames relative to each other to thereby produce a three-dimensional virtual representation of the portion of the surface of the object covered by said set of frames. The registration is performed without using pre-knowledge about the spatial relationship between the frames. The three-dimensional virtual model or representation is substantially consistent with all of the frames.
    • 提供了一种用于使用数据处理系统构建对象的虚拟三维模型的方法和系统,以及至少一个可访问所述数据处理系统的机器可读存储器。 从源(例如耦合到光学或激光扫描仪,CT扫描仪,磁共振断层扫描仪或其他源的计算系统)获得对象的部分的至少两个数字三维帧的集合。 所述至少两个框架包括提供物体表面的不同信息的三维坐标系中的一组点坐标。 这些框架提供了物体表面的表示部分的实质重叠,但是由于扫描装置相对于物体在帧的产生之间的移动,例如不精确地重合。 表示帧集合的数据被存储在存储器中。 数据处理系统使用所述数据处理系统处理表示帧集合的数据,以便相对于彼此登记帧,从而产生由所述一组数据处理系统覆盖的对象表面部分的三维虚拟表示 框架。 执行注册而不使用关于帧之间的空间关系的预先知识。 三维虚拟模型或表示与所有帧基本一致。