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    • 3. 发明申请
    • X-RAY SYSTEM AND METHOD FOR GENERATING 3D IMAGE DATA
    • X-RAY SYSTEM AND METHOD FOR代3D图像数据的
    • WO2011134676A2
    • 2011-11-03
    • PCT/EP2011002167
    • 2011-04-21
    • FRAUNHOFER GES FORSCHUNGCHARITE UNIVERSITAETSMEDIZINKEEVE ERWINSTOPP FABIANUHLMANN ECKART
    • KEEVE ERWINSTOPP FABIANUHLMANN ECKART
    • A61B6/00
    • G01N23/04A61B6/4405A61B6/4458A61B6/4476A61B6/547A61B6/583
    • The present invention relates to an X-ray system and a corresponding method for generating 3D image data. The X-ray system comprises a radiation detector, a moveable X-ray emitter and a control unit, wherein the radiation detector is detachably positioned fixed in space in a work state of the system and the X-ray emitter can be moved into relative positions relative to the radiation detector. Projection images recorded in the relative positions, in combination with the coordinates of the relative position, can be processed to form 3D X-ray images by means of an iterative reconstruction technique or other image processing methods. The X-ray emitter is attached to a stand arm that is moveable in a motor-driven fashion and can be displaced by a control unit. The foot of the stand of the moveable stand can be positioned fixed in space by fixation devices such that it has a defined fixed position with respect to the radiation detector.
    • 本发明涉及一种Rontgensystem和用于产生3D图像数据的相应的方法。 所述Rontgensystem包括辐射检测器,可移动的X射线源和一控制单元,其中该系统中的工作状态固定在空间中的放射线检测器被可释放地定位并且所述X射线源相对于在相对位置的放射线检测器可移动的。 在相对位置拍摄的投影图像可与相对位置的坐标组合通过迭代重建技术或其他图像处理技术来三维X射线图像进行处理。 所述X射线源被安装到机动移动支架臂,并且可以由控制单元来移动。 支架底座是可动台的通过紧固定位设备空间固定,使得其具有相对于该辐射检测器限定的固定的位置。
    • 4. 发明申请
    • METHOD FOR RECORDING DENTAL MODELS
    • 注册牙齿模型的方法
    • WO2007022996A3
    • 2007-06-21
    • PCT/EP2006008365
    • 2006-08-25
    • SICAT GMBH & CO KGFREYER DIRKHANSSEN NILSKEEVE ERWINRITTER LUTZZUENDORF GERHARD
    • FREYER DIRKHANSSEN NILSKEEVE ERWINRITTER LUTZZUENDORF GERHARD
    • A61C9/00A61C13/00A61C19/05
    • A61C9/0006A61C9/0053A61C9/0093A61C13/0004A61C19/05
    • The invention relates to a method for planning a surgical intervention on a body part, in particular on a patient jaw consisting in defining a common reference system between a set of patient data which is recorded by means of a recording unit and represents said three-dimensional body part and a body part model to be registered, in holding the patient body part in a fixing device (3) during acquisition of the patient data, in placing the fixing device in a defined position with respect to the recording device, after recording the patient data, in placing a model (7) into a corresponding position in the fixing device (3) by means of a holder (8) which is positioned in a defined manner with respect to the fixing device, in fixing the model (7) to the holder (8) in said defined position and in carrying out the other planned steps on the model (7) fixed to the holder (8).
    • 一种用于在患者中,其特征在于,一个共同的参考系统类型是指在记录有记录装置和表示身体的在其三维性的部分的一组患者数据之间的配准的上下文中定义的颚规划上的主体部分在外科手术过程,在特定的方法,以及模型 主体部分,其中所述患者具有在一个固定装置(3)的体部,其安装在相对于记录装置的限定位置的患者数据的记录期间的支持,其中所述模型(7)的患者数据(8通过支架的装置在记录之后 )被定位在所述固定装置(3)的相应位置,其中,所述保持器(8)是在限定的位置至定影装置(3),所述模型(7)在载体上此定义的位置(8)是固定的,并且其中,进一步 规划步骤固定在支架(8)模型(7)上 是。
    • 6. 发明申请
    • METHOD FOR PRODUCING A SECTIONAL IMAGE
    • 用于生产切割IMAGE
    • WO2005066892A3
    • 2006-03-23
    • PCT/EP2005000019
    • 2005-01-04
    • STIFTUNG CAESARLIEVIN MARCKEEVE ERWIN
    • LIEVIN MARCKEEVE ERWIN
    • G06T5/00G06T11/00
    • G06T11/005G06T5/005
    • The invention relates to a method for producing a sectional image of an object consisting of artefacts (28), wherein two-dimensional image data is, for example, produced with the aid of a computer tomograph. Two-dimensional image data is produced from various projection devices (20, 22). According to the invention, pixels, which have a disruptive data value caused by the artefact, are detected. The thus defected pixels are combined to form image areas (30). In a next step, the image areas (30) are filled by means of filling methods and corrected image data is thus produced. The cross-sectional image of the object is produced on the basis of the corrected image data by retroprojection, for example.
    • 在用于产生具有所述对象的工件(28)的截面图像的方法是由计算机断层摄影二维图像数据的装置产生,例如。 二维图像数据的生成是从不同的投影方向(20,22)中进行。 根据本发明,像素被检测出具有由该数据值的干扰伪像。 这样检测到的像素被组合成的图像区域(30)。 在接下来的步骤中,将图像区域(30)通过填充填充,从而产生校正的图像数据。 基于校正后的图像数据,例如通过反投影生成的对象的断层图像。