Model-based coronary centerline localization
    1.
    发明授权
    Model-based coronary centerline localization 有权
    基于模型的冠状动脉中心线定位

    公开(公告)号:US08160332B2

    公开(公告)日:2012-04-17

    申请号:US12443490

    申请日:2007-09-28

    IPC分类号: G06K9/00

    摘要: The invention relates to a system (100) for registering a vessel model with an image data set based on a joined model comprising a reference object model and the vessel model, the system comprising: a placement unit (110) for placing the joined model in a space of the image data set, thereby creating a placed joined model comprising a placed reference object model and a placed vessel model; a computation unit (120) for computing a deformation field based on a landmark displacement field comprising displacements of landmarks of the placed reference object model relative to corresponding landmarks in the image data set; a transformation unit (130) for transforming the placed joined model using the deformation field, thereby creating a transformed joined model comprising a transformed reference object model and a transformed vessel model; and a registration unit (140) for registering the transformed vessel model with the image data set based on modifying the transformed vessel model and optimizing an objective function of the modified transformed vessel model, wherein the objective function comprises a location-prior term based on a localization of the modified transformed vessel model relative to the transformed joined model. Hence, the system is arranged to model a vessel taking into account the localization of a vessel model relative to a reference anatomical structure described by a reference model.

    摘要翻译: 本发明涉及一种用于根据包括参考对象模型和血管模型的联合模型将具有图像数据集的血管模型登记的系统(100),所述系统包括:放置单元(110),用于将所连接的模型放置在 图像数据集合的空间,从而创建包括放置的参考对象模型和放置的容器模型的放置的连接模型; 计算单元(120),用于基于地标位移场计算变形场,所述地标位移场包括相对于所述图像数据组中的对应地标放置的所述参考对象模型的界标的位移; 变换单元(130),用于使用变形场来变换放置的接合模型,从而创建包括变换的参考对象模型和变换的容器模型的变换的连接模型; 以及注册单元(140),用于基于修改所述经变换的血管模型并优化所述经修改的转化的血管模型的目标函数,将经变换的血管模型与所述图像数据集进行登记,其中所述目标函数包括基于 修改的转化血管模型相对于转化的连接模型的定位。 因此,该系统被设置成考虑到血管模型相对于由参考模型描述的参考解剖结构的定位来建模血管。

    MODEL-BASED CORONARY CENTERLINE LOCALIZATION
    2.
    发明申请
    MODEL-BASED CORONARY CENTERLINE LOCALIZATION 有权
    基于模型的冠状动脉中心定位

    公开(公告)号:US20100046815A1

    公开(公告)日:2010-02-25

    申请号:US12443490

    申请日:2007-09-28

    IPC分类号: G06K9/00

    摘要: The invention relates to a system (100) for registering a vessel model with an image data set based on a joined model comprising a reference object model and the vessel model, the system comprising: a placement unit (110) for placing the joined model in a space of the image data set, thereby creating a placed joined model comprising a placed reference object model and a placed vessel model; a computation unit (120) for computing a deformation field based on a landmark displacement field comprising displacements of landmarks of the placed reference object model relative to corresponding landmarks in the image data set; a transformation unit (130) for transforming the placed joined model using the deformation field, thereby creating a transformed joined model comprising a transformed reference object model and a transformed vessel model; and a registration unit (140) for registering the transformed vessel model with the image data set based on modifying the transformed vessel model and optimizing an objective function of the modified transformed vessel model, wherein the objective function comprises a location-prior term based on a localization of the modified transformed vessel model relative to the transformed joined model. Hence, the system is arranged to model a vessel taking into account the localization of a vessel model relative to a reference anatomical structure described by a reference model.

    摘要翻译: 本发明涉及一种用于根据包括参考对象模型和血管模型的联合模型将具有图像数据集的血管模型登记的系统(100),该系统包括:一个放置单元(110),用于将连接的模型放置在 图像数据集合的空间,从而创建包括放置的参考对象模型和放置的容器模型的放置的连接模型; 计算单元(120),用于基于地标位移场计算变形场,所述地标位移场包括相对于所述图像数据组中的对应地标放置的所述参考对象模型的界标的位移; 变换单元(130),用于使用变形场来变换放置的接合模型,从而创建包括变换的参考对象模型和变换的容器模型的变换的连接模型; 以及注册单元(140),用于基于修改所述经变换的血管模型并优化所述经修改的转化的血管模型的目标函数,将经变换的血管模型与所述图像数据集进行登记,其中所述目标函数包括基于 修改的转化血管模型相对于转化的连接模型的定位。 因此,该系统被设置成考虑到血管模型相对于由参考模型描述的参考解剖结构的定位来建模血管。

    SURFACE TESSELATION OF SHAPE MODELS
    3.
    发明申请
    SURFACE TESSELATION OF SHAPE MODELS 审中-公开
    形状模型的表面压力

    公开(公告)号:US20090030657A1

    公开(公告)日:2009-01-29

    申请号:US12097141

    申请日:2006-12-15

    IPC分类号: G06F17/50

    摘要: The invention relates to a method (100) of and to a system (200) for determining a template mesh of a shape model on the basis of a plurality of instances of the shape model. The method of determining the template mesh of the shape model comprises an obtaining step (110) for obtaining the plurality of instances of the template mesh, a computing step (120) for computing a plurality of results on the basis of the plurality of instances of the shape model, a deciding step (130) for deriving a decision on the basis of the plurality of results, and a decimating step (140) for decimating the template mesh of the shape model on the basis of the decision, thereby determining the template mesh of the shape model. Thus, the template mesh of the shape model determined by the method of the invention better describes objects of interest at all locations.

    摘要翻译: 本发明涉及一种用于基于形状模型的多个实例来确定形状模型的模板网格的系统(200)的方法(100)。 确定形状模型的模板网格的方法包括获取步骤(110),用于获得模板网格的多个实例;计算步骤(120),用于基于多个实例的多个实例来计算多个结果 形状模型,用于基于多个结果导出判定的判定步骤(130),以及基于判定来抽取形状模型的模板网格的抽取步骤(140),从而确定模板 形状模型的网格。 因此,通过本发明的方法确定的形状模型的模板网格更好地描述了所有位置处的感兴趣对象。

    Method for Facilitating Post-Processing of Images Using Deformable Meshes
    4.
    发明申请
    Method for Facilitating Post-Processing of Images Using Deformable Meshes 有权
    使用可变形网格促进图像后处理的方法

    公开(公告)号:US20080304744A1

    公开(公告)日:2008-12-11

    申请号:US12097855

    申请日:2006-12-14

    IPC分类号: G06T5/00

    摘要: Method and system for facilitating post-processing of images using deformable meshes in which a deformable mesh model of an object such as an organ is extended by attaching information thereon in order to simplify and/or facilitate a desired post-processing task so that the post-processing task effected when the mesh is applied to the same object in an additional image can expeditiously use this information. The information may be attached to the mesh after its creation, for example, upon segmentation of the same object in some training image. The post-processing task can therefore be performed automatically without user interaction upon segmentation of the object in the additional image. Information is encoded on the mesh by enumerating a list of triangles or vertices of the mesh which have to be considered in the subsequent, post-processing task and by optionally providing additional parameters defining the precise post-processing algorithm(s) to be used.

    摘要翻译: 使用可变形网格促进图像后处理的方法和系统,其中通过在其上附加信息来扩展诸如器官的对象的可变形网格模型,以简化和/或促进期望的后处理任务,使得该帖子 当将网格应用于附加图像中的同一对象时,处理任务即可快速使用此信息。 信息可以在其创建之后附加到网格上,例如,在一些训练图像中对相同对象进行分割时。 因此,在附加图像中的对象的分割之后,可以自动执行后处理任务,而无需用户交互。 通过枚举在后续的后处理任务中必须考虑的网格的三角形或顶点列表以及可选地提供定义要使用的精确后处理算法的附加参数,将信息编码在网格上。

    Method for facilitating post-processing of images using deformable meshes
    5.
    发明授权
    Method for facilitating post-processing of images using deformable meshes 有权
    使用可变形网格促进图像后处理的方法

    公开(公告)号:US08144950B2

    公开(公告)日:2012-03-27

    申请号:US12097855

    申请日:2006-12-14

    IPC分类号: G06K9/00

    摘要: Method and system for facilitating post-processing of images using deformable meshes in which a deformable mesh model of an object such as an organ is extended by attaching information thereon in order to simplify and/or facilitate a desired post-processing task so that the post-processing task effected when the mesh is applied to the same object in an additional image can expeditiously use this information. The information may be attached to the mesh after its creation, for example, upon segmentation of the same object in some training image. The post-processing task can therefore be performed automatically without user interaction upon segmentation of the object in the additional image. Information is encoded on the mesh by enumerating a list of triangles or vertices of the mesh which have to be considered in the subsequent, post-processing task and by optionally providing additional parameters defining the precise post-processing algorithm(s) to be used.

    摘要翻译: 使用可变形网格促进图像后处理的方法和系统,其中通过在其上附加信息来扩展诸如器官的对象的可变形网格模型,以简化和/或促进期望的后处理任务,使得该帖子 当将网格应用于附加图像中的同一对象时,处理任务即可快速使用此信息。 信息可以在其创建之后附加到网格上,例如,在一些训练图像中对相同对象进行分割时。 因此,在附加图像中的对象的分割之后,可以自动执行后处理任务,而无需用户交互。 通过枚举在后续的后处理任务中必须考虑的网格的三角形或顶点列表以及可选地提供定义要使用的精确后处理算法的附加参数,将信息编码在网格上。

    ESTABLISHING A CONTOUR OF A STRUCTURE BASED ON IMAGE INFORMATION
    6.
    发明申请
    ESTABLISHING A CONTOUR OF A STRUCTURE BASED ON IMAGE INFORMATION 审中-公开
    建立基于图像信息的结构轮廓

    公开(公告)号:US20120082354A1

    公开(公告)日:2012-04-05

    申请号:US13377401

    申请日:2010-06-18

    IPC分类号: G06K9/48 G06K9/00

    摘要: A system for establishing a contour of a structure is disclosed. An initialization subsystem (1) is used for initializing an adaptive mesh representing an approximate contour of the structure, the structure being represented at least partly by a first image, and the structure being represented at least partly by a second image. A deforming subsystem (2) is used for deforming the adaptive mesh, based on feature information of the first image and feature information of the second image. The deforming subsystem comprises a force-establishing subsystem (3) for establishing a force acting on at least part of the adaptive mesh, in dependence on the feature information of the first image and the feature information of the second image. A transform-establishing subsystem (4) is used for establishing a coordinate transform reflecting a registration mismatch between the first image, the second image, and the adaptive mesh.

    摘要翻译: 公开了一种用于建立结构轮廓的系统。 初始化子系统(1)用于初始化表示结构的近似轮廓的自适应网格,该结构至少部分地由第一图像表示,并且该结构至少部分地由第二图像表示。 变形子系统(2)用于基于第一图像的特征信息和第二图像的特征信息来变形自适应网格。 变形子系统包括根据第一图像的特征信息和第二图像的特征信息来建立作用在自适应网格的至少一部分上的力的力建立子系统(3)。 变换建立子系统(4)用于建立反映第一图像,第二图像和自适应网格之间的配准失配的坐标变换。

    Method of and a system for adapting a geometric model using multiple partial transformations
    7.
    发明授权
    Method of and a system for adapting a geometric model using multiple partial transformations 有权
    使用多个部分变换来适应几何模型的方法和系统

    公开(公告)号:US08260586B2

    公开(公告)日:2012-09-04

    申请号:US12067841

    申请日:2006-09-20

    IPC分类号: G06F7/60 G06F17/10

    摘要: The invention relates to a method (100) of adapting a geometric model to an image data comprising determining a first partial transformation for mapping a first part of the geometric model into the image data and a second partial transformation for mapping a second part of the geometric model into the image data. By determining the first partial transformation of the first part of the geometric model and the second partial transformation of the second part of the geometric model, the geometric model can assume more shapes and therefore can be more accurately adapted to an object comprised in the image data.

    摘要翻译: 本发明涉及一种将几何模型适应于图像数据的方法(100),包括确定用于将几何模型的第一部分映射到图像数据中的第一部分变换,以及用于映射几何的第二部分的第二部分变换 模型进入图像数据。 通过确定几何模型的第一部分的第一部分变换和几何模型的第二部分的第二部分变换,几​​何模型可以呈现更多的形状,因此可以更准确地适应包含在图像数据中的对象 。

    ANATOMY-RELATED IMAGE-CONTEXT-DEPENDENT APPLICATIONS FOR EFFICIENT DIAGNOSIS
    8.
    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。

    PRIORI INFORMATION ENCODING FOR MANUAL ADAPTATION OF GEOMETRIC MODELS
    9.
    发明申请
    PRIORI INFORMATION ENCODING FOR MANUAL ADAPTATION OF GEOMETRIC MODELS 审中-公开
    用于手写适应几何模型的优先信息

    公开(公告)号:US20090115796A1

    公开(公告)日:2009-05-07

    申请号:US12067840

    申请日:2006-09-20

    IPC分类号: G09G5/00

    摘要: The invention relates to the adaptation method (200) of adapting a geometric model to an image data comprising a region selection step (230) for selecting a region of the geometric model and a manual adaptation step (235) for manually adapting the geometric model to the image data using a set of characteristics of the region comprised in the geometric model. Using a region-specific characteristic from the set of characteristics of the selected region, such as a region-specific parameter determining the deformation range, for manually adapting the geometric model to the image data, requires relatively fewer user interactions.

    摘要翻译: 本发明涉及将几何模型适应于包括用于选择几何模型的区域的区域选择步骤(230)的图形数据的适配方法(200)和用于手动调整几何模型的手动适应步骤(235) 该图像数据使用包含在几何模型中的区域的一组特征。 使用来自所选区域的特征的区域特定特征,例如用于手动将几何模型适配到图像数据的诸如确定变形范围的区域特定参数需要相对较少的用户交互。

    Method Of And A System For Adapting A Geometric Model Using Multiple Partial Transformations
    10.
    发明申请
    Method Of And A System For Adapting A Geometric Model Using Multiple Partial Transformations 有权
    用于使用多个部分变换来适应几何模型的系统的方法和系统

    公开(公告)号:US20090037154A1

    公开(公告)日:2009-02-05

    申请号:US12067841

    申请日:2006-09-20

    IPC分类号: G06F17/10

    摘要: The invention relates to a method (100) of adapting a geometric model to an image data comprising determining a first partial transformation for mapping a first part of the geometric model into the image data and a second partial transformation for mapping a second part of the geometric model into the image data. By determining the first partial transformation of the first part of the geometric model and the second partial transformation of the second part of the geometric model, the geometric model can assume more shapes and therefore can be more accurately adapted to an object comprised in the image data.

    摘要翻译: 本发明涉及一种将几何模型适应于图像数据的方法(100),包括确定用于将几何模型的第一部分映射到图像数据中的第一部分变换,以及用于映射几何的第二部分的第二部分变换 模型进入图像数据。 通过确定几何模型的第一部分的第一部分变换和几何模型的第二部分的第二部分变换,几​​何模型可以呈现更多的形状,因此可以更准确地适应包含在图像数据中的对象 。