Direct Volume Rendering with Shading
    1.
    发明申请
    Direct Volume Rendering with Shading 审中-公开
    直接体积渲染与阴影

    公开(公告)号:US20070299639A1

    公开(公告)日:2007-12-27

    申请号:US11573795

    申请日:2005-07-27

    IPC分类号: G06F7/60

    CPC分类号: G06T15/40 G06T15/06

    摘要: The present invention relates to direct volume rendering based on a light model applied to a 3D array of information data samples. Gradients are first estimated for the individuals samples, and a simple shading is done on the samples with low gradient, i.e. homogenous areas.

    摘要翻译: 本发明涉及基于应用于信息数据样本的3D阵列的光模型的直接体绘制。 首先对个体样本估计渐变,并且对具有低梯度(即均匀区域)的样品进行简单的阴影。

    ANATOMY-RELATED IMAGE-CONTEXT-DEPENDENT APPLICATIONS FOR EFFICIENT DIAGNOSIS
    2.
    发明申请
    ANATOMY-RELATED IMAGE-CONTEXT-DEPENDENT APPLICATIONS FOR EFFICIENT DIAGNOSIS 审中-公开
    与解剖学相关的图像依赖性应用程序进行有效的诊断

    公开(公告)号:US20100293505A1

    公开(公告)日:2010-11-18

    申请号:US12376999

    申请日:2007-08-07

    IPC分类号: G06F3/048

    CPC分类号: G16H40/63

    摘要: The invention relates to a system (100) for obtaining information relating to segmented volumetric medical image data, the system comprising: a display unit (110) for displaying a view of the segmented volumetric medical image data on a display; an indication unit (115) for indicating a location on the displayed view; a trigger unit (120) for triggering an event; an identification unit (125) for identifying a segmented anatomical structure comprised in the segmented volumetric medical image data based on the indicated location on the displayed view in response to the triggered event; and an execution unit (130) for executing an action associated with the identified segmented anatomical structure, thereby obtaining information relating to the segmented volumetric medical image data. The action executed by the execution unit (130) may be displaying a name of the segmented anatomical structure, a short description of the segmented anatomical structure, or a hint on a potential malformation or malfunction of the segmented anatomical structure. Thus, the system (100) allows obtaining valuable information relating to the volumetric medical image data viewed by a physician on the display, thereby assisting the physician in medical diagnosing.

    摘要翻译: 本发明涉及一种用于获取与分段体积医学图像数据相关的信息的系统(100),该系统包括:显示单元(110),用于在显示器上显示分割的体积医学图像数据的视图; 指示单元(115),用于指示所显示的视图上的位置; 触发单元(120),用于触发事件; 识别单元(125),用于响应于触发的事件,基于所显示的视图上的指示位置来识别包含在所述分段体积医学图像数据中的分段解剖结构; 以及执行单元(130),用于执行与所识别的分段解剖结构相关联的动作,从而获得与分割的体积医学图像数据相关的信息。 由执行单元(130)执行的动作可以显示分割的解剖结构的名称,分割的解剖结构的简短描述,或对分割的解剖结构的潜在畸形或故障的提示。 因此,系统(100)允许获得与医生在显示器上观看的体积医学图像数据相关的有价值的信息,从而辅助医师进行医学诊断。

    MEDICAL IMAGE VIEWING PROTOCOLS
    3.
    发明申请
    MEDICAL IMAGE VIEWING PROTOCOLS 有权
    医学图像查看协议

    公开(公告)号:US20100135543A1

    公开(公告)日:2010-06-03

    申请号:US11815452

    申请日:2006-02-07

    IPC分类号: G06K9/62

    CPC分类号: G06T11/001

    摘要: A method, computer program and device for creating a viewing protocol for medical images is described. At least a first site of interest is identified in a medical imaging data set captured from the patient. Patient record data or computer assisted detection information can be used to identify the site of interest, which may be a potential lesion. A viewing protocol for displaying medical images to a user is planned. The viewing protocol includes a viewing path along which an image of the site of interest will be displayed. The viewing protocol also includes a trigger associated with the site of interest. When the trigger event is encountered the dynamic mode of image display is reconfigured to dynamically highlight the site of interest. The viewing protocol can then be used to control the display of images so as to provide, for example, a virtual endoscope.

    摘要翻译: 描述了一种用于创建用于医学图像的观看协议的方法,计算机程序和设备。 在从患者获取的医学成像数据集中识别至少第一感兴趣的位置。 患者记录数据或计算机辅助检测信息可用于识别感兴趣的位点,这可能是潜在的病变。 计划用于向用户显示医学图像的观看协议。 观看协议包括观看路径,通过该观看路径将显示感兴趣的场所的图像。 查看协议还包括与感兴趣的站点相关联的触发器。 当遇到触发事件时,重新配置图像显示的动态模式以动态突出显示感兴趣的站点。 然后可以使用观看协议来控制图像的显示,以便提供例如虚拟内窥镜。

    Medical image viewing protocols
    4.
    发明授权
    Medical image viewing protocols 有权
    医学图像查看协议

    公开(公告)号:US07889900B2

    公开(公告)日:2011-02-15

    申请号:US11815452

    申请日:2006-02-07

    IPC分类号: G06K9/00 A61B5/05

    CPC分类号: G06T11/001

    摘要: A method, computer program and device for creating a viewing protocol for medical images is described. At least a first site of interest is identified in a medical imaging data set captured from the patient. Patient record data or computer assisted detection information can be used to identify the site of interest, which may be a potential lesion. A viewing protocol for displaying medical images to a user is planned. The viewing protocol includes a viewing path along which an image of the site of interest will be displayed. The viewing protocol also includes a trigger associated with the site of interest. When the trigger event is encountered the dynamic mode of image display is reconfigured to dynamically highlight the site of interest. The viewing protocol can then be used to control the display of images so as to provide, for example, a virtual endoscope.

    摘要翻译: 描述了一种用于创建用于医学图像的观看协议的方法,计算机程序和设备。 在从患者获取的医学成像数据集中识别至少第一感兴趣的位置。 患者记录数据或计算机辅助检测信息可用于识别感兴趣的位点,这可能是潜在的病变。 计划用于向用户显示医学图像的观看协议。 观看协议包括观看路径,通过该观看路径将显示感兴趣的场所的图像。 查看协议还包括与感兴趣的站点相关联的触发器。 当遇到触发事件时,重新配置图像显示的动态模式以动态突出显示感兴趣的站点。 然后可以使用观看协议来控制图像的显示,以便提供例如虚拟内窥镜。

    Adaptive sampling along edges for surface rendering
    5.
    发明授权
    Adaptive sampling along edges for surface rendering 失效
    沿边缘进行自适应采样,进行表面渲染

    公开(公告)号:US07742631B2

    公开(公告)日:2010-06-22

    申请号:US10598635

    申请日:2005-03-03

    IPC分类号: G06K9/00

    CPC分类号: G06T15/503

    摘要: High frequency signals cannot be reconstructed properly from sampled data if the sampling frequency lies below the Nyquist rate. The invention addresses this problem by choosing few additional sample points along a trajectory intersecting the region comprising the high frequency signals, such as an edge. Intermediate rendering data is used to determine the additional sample points. Therefore, according to an exemplary embodiment of the present invention, 4 adaptively chosen sample points per pixel may provide a visual quality comparable to 16 times super-sampling, but at a much lower computational cost.

    摘要翻译: 如果采样频率低于奈奎斯特速率,则高频信号无法从采样数据中正确重建。 本发明通过沿着与包括高频信号的区域(例如边缘)相交的轨迹的几个附加采样点来解决这个问题。 中间渲染数据用于确定附加采样点。 因此,根据本发明的示例性实施例,每像素4个自适应选择的采样点可以提供与16次超采样相当的视觉质量,但是以低得多的计算成本。

    Adaptive sampling along edges for surface rendering
    6.
    发明申请
    Adaptive sampling along edges for surface rendering 失效
    沿边缘进行自适应采样,进行表面渲染

    公开(公告)号:US20070177005A1

    公开(公告)日:2007-08-02

    申请号:US10598635

    申请日:2005-03-03

    IPC分类号: H04N13/00

    CPC分类号: G06T15/503

    摘要: High frequency signals cannot be reconstructed properly from sampled data if the sampling frequency lies below the Nyquist rate. The invention addresses this problem by choosing few additional sample points along a trajectory intersecting the region comprising the high frequency signals, such as an edge. Intermediate rendering data is used to determine the additional sample points. Therefore, according to an exemplary embodiment of the present invention, 4 adaptively chosen sample points per pixel may provide a visual quality comparable to 16 times super-sampling, but at a much lower computational cost.

    摘要翻译: 如果采样频率低于奈奎斯特速率,则高频信号无法从采样数据正确重建。 本发明通过沿着与包括高频信号的区域(例如边缘)相交的轨迹的几个附加采样点来解决这个问题。 中间渲染数据用于确定附加采样点。 因此,根据本发明的示例性实施例,每像素4个自适应选择的采样点可以提供与16次超采样相当的视觉质量,但是以低得多的计算成本。

    Image visualization
    7.
    发明授权
    Image visualization 有权
    图像可视化

    公开(公告)号:US07817829B2

    公开(公告)日:2010-10-19

    申请号:US10598745

    申请日:2005-03-07

    IPC分类号: G06K9/00 G06T15/00

    CPC分类号: G06T15/08 G06T15/005

    摘要: Medical imaging modalities generate increasingly more and very large three-dimensional data sets. According to an exemplary embodiment of the present invention, a three-dimensional data set of an object of interest is interactively visualized with a varying sampling rate in an image. Advantageously, a focus area may be moved by a user interactively during rendering, wherein the sampling rate of a particular part of the image is defined by its relative position to the focus area. Advantageously, this may allow for an improvement of an overall rendering performance.

    摘要翻译: 医学成像模式产生越来越多和非常大的三维数据集。 根据本发明的示例性实施例,感兴趣对象的三维数据集在图像中以变化的采样率被交互地可视化。 有利地,焦点区域可以在渲染期间由用户交互地移动,其中图像的特定部分的采样率由其与焦点区域的相对位置来定义。 有利地,这可以允许改进整体渲染性能。

    Image visualization
    8.
    发明申请
    Image visualization 有权
    图像可视化

    公开(公告)号:US20070183649A1

    公开(公告)日:2007-08-09

    申请号:US10598745

    申请日:2005-03-07

    IPC分类号: G06K9/00

    CPC分类号: G06T15/08 G06T15/005

    摘要: Medical imaging modalities generate increasingly more and very large three-dimensional data sets. According to an exemplary embodiment of the present invention, a three-dimensional data set of an object of interest is interactively visualized with a varying sampling rate in an image. Advantageously, a focus area may be moved by a user interactively during rendering, wherein the sampling rate of a particular part of the image is defined by its relative position to the focus area. Advantageously, this may allow for an improvement of an overall rendering performance.

    摘要翻译: 医学成像模式产生越来越多和非常大的三维数据集。 根据本发明的示例性实施例,感兴趣对象的三维数据集在图像中以变化的采样率被交互地可视化。 有利地,焦点区域可以在渲染期间由用户交互地移动,其中图像的特定部分的采样率由其与焦点区域的相对位置来定义。 有利地,这可以允许改进整体渲染性能。

    Data set visualization
    9.
    发明申请
    Data set visualization 有权
    数据集可视化

    公开(公告)号:US20070161892A1

    公开(公告)日:2007-07-12

    申请号:US10599864

    申请日:2005-04-11

    IPC分类号: A61B5/05

    摘要: In real-time three-dimensional imaging the choice of the visualization method and orientation is crucial for intervention success. The key question is what to ignore and what to show in real-time applications, where user control is not appropriate. The invention addresses this problem by visualizing an intervention (caused by a user) to an object of interest without the requirement of an interactive input by the user. Advantageously, according to an exemplary embodiment of the present invention, parameters for a visualization procedure are automatically chosen during data acquisition which may allow for an efficient tracking of the actual orientation and relative position of the structure with respect to the object of interest.

    摘要翻译: 在实时三维成像中,可视化方法和方向的选择对于干预成功至关重要。 关键的问题是什么要忽略,什么显示在实时应用程序,用户控制不合适。 本发明通过将干预(由用户引起)视觉化为感兴趣的对象而不需要用户的交互式输入来解决该问题。 有利地,根据本发明的示例性实施例,在数据获取期间自动选择用于可视化过程的参数,这可以有效地跟踪结构相对于感兴趣对象的实际取向和相对位置。

    Data set visualization
    10.
    发明授权
    Data set visualization 有权
    数据集可视化

    公开(公告)号:US07742639B2

    公开(公告)日:2010-06-22

    申请号:US10599864

    申请日:2005-04-11

    IPC分类号: G06K9/34

    摘要: In real-time three-dimensional imaging the choice of the visualization method and orientation is crucial for intervention success. The key question is what to ignore and what to show in real-time applications, where user control is not appropriate. An intervention (caused by a user) to an object of interest is visualized without the requirement of an interactive input by the user. Parameters for a visualization procedure are automatically chosen during data acquisition which may allow for an efficient tracking of the actual orientation and relative position of the structure with respect to the object of interest.

    摘要翻译: 在实时三维成像中,可视化方法和方向的选择对于干预成功至关重要。 关键的问题是什么要忽略,什么显示在实时应用程序,用户控制不合适。 可视化对感兴趣对象的干预(由用户引起的),而不需要用户的交互式输入。 在数据采集期间自动选择可视化过程的参数,这可以有效地跟踪结构相对于感兴趣对象的实际取向和相对位置。