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    Methods, apparatuses and computer readable mediums for generating images based on multi-energy computed tomography data
    21.
    发明授权
    Methods, apparatuses and computer readable mediums for generating images based on multi-energy computed tomography data 有权
    用于基于多能计算机断层摄影数据生成图像的方法，装置和计算机可读介质

    公开(公告)号：US07920669B2

    公开(公告)日：2011-04-05

    申请号：US12010920

    申请日：2008-01-31

    申请人： Bernhard Krauβ ,  Fernando Vega-Higuera

    发明人： Bernhard Krauβ ,  Fernando Vega-Higuera

    IPC分类号： A61B6/00

    CPC分类号： A61B6/482 ,  A61B6/032 ,  A61B8/483 ,  G06T15/08

    摘要： Methods, apparatuses and computer readable mediums for generating a volume visualization image based on multi-energy computed tomography data are provided. In one method, an image is rendered based on a multi-dimensional graphical representation of the computed tomography data. The computed tomography data includes at least two different energy image data sets and the multi-dimensional graphical representation represents intensity values of each of the at least two different energy image data sets.

    摘要翻译： 提供了用于基于多能计算机断层摄影数据生成体视觉图像的方法，装置和计算机可读介质。 在一种方法中，基于计算机断层摄影数据的多维图形表示来渲染图像。 计算机断层摄影数据包括至少两个不同的能量图像数据集，并且所述多维图形表示表示所述至少两个不同能量图像数据集中的每一个的强度值。

    Method for highlighting local characteristics in anatomical volume renderings of vessel structures and computer system for carrying out this method
    23.
    发明授权
    Method for highlighting local characteristics in anatomical volume renderings of vessel structures and computer system for carrying out this method 有权
    突出显示船舶结构解剖体积效应和实施该方法的计算机系统的局部特征的方法

    公开(公告)号：US08417008B2

    公开(公告)日：2013-04-09

    申请号：US12916756

    申请日：2010-11-01

    申请人： Christina Biermann ,  Fernando Vega-Higuera

    发明人： Christina Biermann ,  Fernando Vega-Higuera

    IPC分类号： G06K9/00

    CPC分类号： A61B6/504 ,  A61B6/4441 ,  A61B6/466 ,  A61B6/468 ,  A61B6/469 ,  A61B6/481 ,  A61B6/482 ,  A61B6/503 ,  G06T7/0012 ,  G06T15/08 ,  G06T19/20 ,  G06T2200/24 ,  G06T2207/10072 ,  G06T2207/30101 ,  G06T2219/2012 ,  G16H50/50

    摘要： A method is disclosed for highlighting local characteristics in anatomical volume renderings of vessel structures and a computer system is disclosed for carrying out this method. In at least one embodiment of the method, the method includes determining or receiving a volume of interest; generating or receiving at least one first tomographic volume data record in the volume of interest, having a rendered display of a vessel structure; generating or receiving at least one second volume data record, which is used as a mask for the first volume data record and has at least one characteristic vector with a minimum data width of 2 bit for each voxel; accepting at least one characteristic definition for at least one predefined position or predefined region of the mask or the first volume data record, which is at the same position, and encoding the at least one characteristic definition in at least one characteristic vector of the mask; and combined rendering of the first volume data record and the mask, wherein the mask translucently marks a defined surrounding area of the predefined position as a function of the characteristic vectors present there.

    摘要翻译： 公开了一种用于突显船舶结构的解剖体积渲染中的局部特征的方法，并且公开了一种用于执行该方法的计算机系统。 在该方法的至少一个实施例中，该方法包括确定或接收感兴趣的体积; 生成或接收感兴趣体积中的至少一个第一断层摄影体数据记录，具有血管结构的显示; 生成或接收至少一个第二卷数据记录，其用作第一卷数据记录的掩码，并且对于每个体素具有至少一个具有2位的最小数据宽度的特征向量; 对于处于相同位置的掩模或第一体数据记录的至少一个预定义位置或预定义区域接受至少一个特征定义，并对该掩模的至少一个特征向量中的至少一个特征定义进行编码; 以及第一卷数据记录和掩模的组合渲染，其中所述掩模作为所存在的特征向量的函数，将预定义位置的限定的周围区域半透明地标记。

    Method for visualizing a three-dimensional image data record from an x-ray CT examination and workstation for carrying out the method
    24.
    发明授权
    Method for visualizing a three-dimensional image data record from an x-ray CT examination and workstation for carrying out the method 有权
    用于从X射线CT检查和工作站可视化三维图像数据记录的方法用于执行该方法

    公开(公告)号：US08254653B2

    公开(公告)日：2012-08-28

    申请号：US12213744

    申请日：2008-06-24

    申请人： Michael Scheuering ,  Fernando Vega-Higuera

    发明人： Michael Scheuering ,  Fernando Vega-Higuera

    IPC分类号： G06K9/00

    CPC分类号： A61B6/032 ,  A61B6/466 ,  A61B6/503 ,  A61B6/5223 ,  G06T7/0012 ,  G06T7/10 ,  G06T15/08 ,  G06T2207/10081 ,  G06T2207/20224 ,  G06T2207/30048 ,  G06T2207/30101

    摘要： A method and a workstation are disclosed for visualizing a three-dimensional image data record having a multiplicity of voxels of a heart of a patient, recorded with the aid of an x-ray CT examination carried out with contrast agent present in the bloodstream. In at least one embodiment, the method includes saving the CT image data record including a multiplicity of voxels defined by absorption values, determining the voxels associated with the chamber of the heart by segmenting the chambers of the heart filled with blood containing the contrast agent, removing the image information from the voxels associated with the chambers of the heart, calculating a two-dimensional virtual projection from the remaining CT image data record, and displaying the virtual two-dimensional projection.

    摘要翻译： 公开了一种方法和工作站，用于通过利用存在于血流中的造影剂进行的X射线CT检查来记录具有患者心脏的多个体素的三维图像数据记录。 在至少一个实施例中，该方法包括保存包括由吸收值定义的多个体素的CT图像数据记录，通过分割填充有含有造影剂的血液的心脏室来确定与心脏腔室相关联的体素， 从与心脏室相关联的体素去除图像信息，从剩余CT图像数据记录计算二维虚拟投影，以及显示虚拟二维投影。

    Method and System for Automatic Native and Bypass Coronary Ostia Detection in Cardiac Computed Tomography Volumes
    25.
    发明申请
    Method and System for Automatic Native and Bypass Coronary Ostia Detection in Cardiac Computed Tomography Volumes 有权
    心脏计算机断层扫描中自动本机和旁路冠状动脉检测的方法和系统

    公开(公告)号：US20120071755A1

    公开(公告)日：2012-03-22

    申请号：US13233220

    申请日：2011-09-15

    申请人： Yefeng Zheng ,  Fernando Vega-Higuera ,  Shaohua Kevin Zhou ,  Dorin Comaniciu

    发明人： Yefeng Zheng ,  Fernando Vega-Higuera ,  Shaohua Kevin Zhou ,  Dorin Comaniciu

    IPC分类号： A61B6/03

    CPC分类号： G06T7/0081 ,  G06T7/11 ,  G06T7/12 ,  G06T2207/10072 ,  G06T2207/30048 ,  G06T2207/30101 ,  G06T2207/30172

    摘要： A method and system for detection of native and bypass coronary ostia in a 3D volume, such as a CT volume, is disclosed. Native coronary ostia are detected by detecting a bounding box defining locations of a left native coronary ostium and a right native coronary ostium in the 3D volume using marginal space learning (MSL), and locally refining the locations of the left native coronary ostium and the right native coronary ostium using a trained native coronary ostium detector. Bypass coronary ostia are detected by segmenting an ascending aorta surface mesh in the 3D volume, generating a search region of a plurality of mesh points on the ascending aorta surface mesh based on a distribution of annotated bypass coronary ostia in a plurality of training volumes, and detecting the bypass coronary ostia by searching the plurality of mesh points in the search region.

    摘要翻译： 公开了用于检测3D体积中的天然和旁路冠状动脉口腔的方法和系统，例如CT体积。 通过使用边缘空间学习（MSL）检测在3D体积中定义左天然冠状动脉口和右天然冠状动脉口的位置的边界框来检测本地冠状动脉，并且局部改善左天然冠状动脉口和右侧的位置 使用训练有素的本地冠状动脉口腔检测器进行本地冠状动脉口。 通过分割3D体积中的上升主动脉表面网格来检测旁路冠状动脉口腔，基于多个训练体积中注释旁路冠状动脉口腔的分布，生成升主动脉表面网格上的多个网格点的搜索区域，以及 通过搜索搜索区域中的多个网格点来检测旁路冠状动脉口。

    Method and apparatus for visualizing an image data record of an organ enclosing a cavity, in particular a CT image data record of a colon
    26.
    发明申请
    Method and apparatus for visualizing an image data record of an organ enclosing a cavity, in particular a CT image data record of a colon 有权
    用于可视化包围空腔的器官的图像数据记录的方法和装置，特别是结肠的CT图像数据记录

    公开(公告)号：US20090244060A1

    公开(公告)日：2009-10-01

    申请号：US12382957

    申请日：2009-03-27

    申请人： Michael Suhling ,  Fernando Vega-Higuera

    发明人： Michael Suhling ,  Fernando Vega-Higuera

    IPC分类号： G06T17/00

    CPC分类号： G06T15/08 ,  A61B6/032 ,  G06T15/06 ,  G06T2207/10081 ,  G06T2207/30028 ,  G06T2210/41

    摘要： A visualization of an image data record of an organ enclosing a cavity, in particular a CT image data record of a colon, that is reliable and has a low level of computational complexity, is performed according to a method. In at least one embodiment of the method a virtual viewer position outside the organ tissue is defined; an interface between the organ tissue and the cavity is defined with the aid of the image data record; from the middle of the cavity local gradients, that specify the rise in the absorption behavior between a gas contained in the cavity and the organ tissue, are determined; starting from the viewer position, a search beam is defined and an angle between the search beam and the gradients is determined; and a transparency value is allocated to the organ tissue as a function of the angle during visualization.

    摘要翻译： 根据一种方法，执行可靠并且具有低水平的计算复杂度的包围空腔的器官的图像数据记录，特别是冒号的CT图像数据记录的可视化。 在该方法的至少一个实施例中，定义了器官组织外部的虚拟观察者位置; 借助于图像数据记录定义器官组织和腔之间的界面; 确定腔内局部梯度的中间，指定腔内和器官组织之间的气体吸收行为的上升; 从观察者位置开始，定义搜索光束，并且确定搜索光束和渐变之间的角度; 并且在可视化期间将透明度值分配给器官组织作为角度的函数。

    Methods, apparatuses and computer readable mediums for generating images based on multi-energy computed tomography data
    27.
    发明申请
    Methods, apparatuses and computer readable mediums for generating images based on multi-energy computed tomography data 有权
    用于基于多能计算机断层摄影数据生成图像的方法，装置和计算机可读介质

    公开(公告)号：US20090028287A1

    公开(公告)日：2009-01-29

    申请号：US12010920

    申请日：2008-01-31

    申请人： Bernhard Krauss ,  Fernando Vega-Higuera

    发明人： Bernhard Krauss ,  Fernando Vega-Higuera

    IPC分类号： A61B6/00

    CPC分类号： A61B6/482 ,  A61B6/032 ,  A61B8/483 ,  G06T15/08

    摘要： Methods, apparatuses and computer readable mediums for generating a volume visualization image based on multi-energy computed tomography data are provided. In one method, an image is rendered based on a multi-dimensional graphical representation of the computed tomography data. The computed tomography data includes at least two different energy image data sets and the multi-dimensional graphical representation represents intensity values of each of the at least two different energy image data sets.

    摘要翻译： 提供了用于基于多能计算机断层摄影数据生成体视觉图像的方法，装置和计算机可读介质。 在一种方法中，基于计算机断层摄影数据的多维图形表示来渲染图像。 计算机断层摄影数据包括至少两个不同的能量图像数据集，并且所述多维图形表示表示所述至少两个不同能量图像数据集中的每一个的强度值。