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    • 7. 发明授权
    • Method and workstation for generating virtual tooth models from three-dimensional tooth data
    • 用于从三维牙齿数据生成虚拟牙齿模型的方法和工作站
    • US07740476B2
    • 2010-06-22
    • US11438109
    • 2006-05-19
    • Rüdger RubbertThomas WeisePeer SporbertHans ImgrundMario LeichnerRohit Sachdeva
    • Rüdger RubbertThomas WeisePeer SporbertHans ImgrundMario LeichnerRohit Sachdeva
    • A61C3/00
    • A61C9/0053A61C7/002B33Y80/00G06F19/00G06F19/321G16H40/63G16H50/50
    • A method is described for taking a three-dimensional virtual model of the dentition and associated anatomical structures of a patient and isolating individual teeth from the rest of the anatomical structure, e.g. gums, to thereby produce individual, virtual three-dimensional tooth objects. The individual tooth objects can be displayed on the display of an orthodontic workstation and moved independently from each other, and thereby form the basis of planning treatment for the patient. The individual, virtual three-dimensional tooth objects are created by comparing the virtual model of the dentition to virtual, three-dimensional template teeth that are stored in memory in a process described in detail herein. The template teeth can include roots as well as crowns. The template teeth can be stored objects acquired from some external source or alternatively developed from a database of patient scans. Virtual three-dimensional brackets are also stored in the memory of the workstation. The virtual brackets can be placed on the virtual teeth and moved relative to the teeth as needed in a preliminary step in treatment planning.
    • 描述了一种用于采取患者的牙列和相关解剖结构的三维虚拟模型的方法,并将个体牙齿与解剖结构的其余部分隔离,例如, 牙龈,从而产生单独的虚拟三维牙体。 各个牙齿物体可以显示在正畸工作台的显示器上,彼此独立地移动,从而形成患者的计划治疗的基础。 通过将齿列的虚拟模型与在本文详细描述的过程中存储在存储器中的虚拟三维模板齿进行比较来创建个体虚拟三维牙对象。 模板牙齿可以包括根和冠。 模板牙齿可以是从一些外部来源获取的或者从病人扫描的数据库开发的储存物体。 虚拟三维支架也存储在工作站的存储器中。 虚拟支架可以放置在虚拟牙齿上,并在治疗计划的初步步骤中根据需要相对于牙齿移动。
    • 9. 发明授权
    • 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
    • US07379584B2
    • 2008-05-27
    • US11636739
    • 2006-12-11
    • Rüdger RubbertThomas WeisePeer SporbertHans ImgrundDimitrij Kouzian
    • Rüdger RubbertThomas WeisePeer SporbertHans ImgrundDimitrij Kouzian
    • G06K9/00G06T15/00G01C3/14H04N13/00
    • 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。
    • 10. 发明授权
    • 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
    • US07197179B2
    • 2007-03-27
    • US10953240
    • 2004-09-29
    • Rüdger RubbertThomas WeisePeer SporbertHans ImgrundDimitrij Kouzian
    • Rüdger RubbertThomas WeisePeer SporbertHans ImgrundDimitrij Kouzian
    • G06K9/00G06K15/00
    • 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。