Identifying individual sub-regions of the cardiovascular system for calcium scoring
    51.
    发明授权
    Identifying individual sub-regions of the cardiovascular system for calcium scoring 有权
    识别心血管系统的个别次区域进行钙评分

    公开(公告)号:US09317919B2

    公开(公告)日:2016-04-19

    申请号:US13884617

    申请日:2011-11-09

    摘要: A method includes identifying a plurality of different anatomical sub-regions of the cardiovascular system of a subject in image data of the subject based on a subject specific cardiovascular anatomical model, wherein the plurality of different regions corresponds to regions where calcifications occur, searching for and identifying calcifications in the sub-regions based on voxel grey value intensity values of the image data, and generating a signal indicative of one or more regions of voxels of the image data respectively corresponding to sub-regions including identified calcifications. A computing system (118) includes a processor that automatically determines a plurality of different groups of voxels of image data of a subject, wherein each group of voxels corresponds to a different sub-region of the cardiovascular system of the subject and each group of voxels corresponds to a region that includes a calcification identified in the image data.

    摘要翻译: 一种方法包括基于主题特异性心血管解剖模型来识别对象的图像数据中的受试者的心血管系统的多个不同解剖子区域,其中所述多个不同区域对应于发生钙化的区域,搜索和 基于图像数据的体素灰度值强度值来识别子区域中的钙化,以及生成指示分别对应于包括识别的钙化的子区域的图像数据的一个或多个体素的区域的信号。 计算系统(118)包括处理器,其自动确定对象的图像数据的多个不同体素组,其中每组体素对应于受试者的心血管系统的不同子区域和每组体素 对应于包括在图像数据中标识的钙化的区域。

    Generating views of medical images
    52.
    发明授权
    Generating views of medical images 有权
    生成医学图像的视图

    公开(公告)号:US08786601B2

    公开(公告)日:2014-07-22

    申请号:US13133407

    申请日:2009-12-15

    CPC分类号: G06T19/00 G06T2210/41

    摘要: A system for generating a view of a medical image comprises an input (1) for receiving information indicative of a suspected diagnosis of a patient. An input (2) for receiving a medical image of the patient. A mapper (3) for mapping the suspected diagnosis of the patient to a set of viewing parameters for viewing the medical image. A view generator (8) for providing a view of the medical image in accordance with the set of viewing parameters. A database (4) for mapping a suspected diagnosis into a set of generic viewing parameters. A transformer (5) for transforming the set of generic viewing parameters into a set of image-specific viewing parameters based on content of the medical image.

    摘要翻译: 用于产生医学图像的视图的系统包括用于接收指示患者的疑似诊断的信息的输入(1)。 一种用于接收患者的医学图像的输入(2)。 用于将患者的疑似诊断映射到用于观看医学图像的一组观察参数的映射器(3)。 一种视图发生器(8),用于根据观看参数的集合提供医学图像的视图。 用于将可疑诊断映射到一组通用查看参数的数据库(4)。 一种变换器(5),用于基于所述医学图像的内容将所述一般观看参数集合变换成一组特定于图像的观看参数。

    Accessing medical image databases using anatomical shape information
    53.
    发明授权
    Accessing medical image databases using anatomical shape information 有权
    使用解剖形状信息访问医学图像数据库

    公开(公告)号:US08676832B2

    公开(公告)日:2014-03-18

    申请号:US12442248

    申请日:2007-09-26

    IPC分类号: G06F7/00

    摘要: The invention relates to a system (100) for retrieving a volumetric image data subset comprised in a data storage (105) of volumetric image data sets, the system comprising: a first query unit (111; 113) for composing a first query for searching the data storage (105) for a volumetric image data set comprising the volumetric image data subset; a second query unit (112; 113) for composing a second query for searching the volumetric image data set for the volumetric image data subset, the second query comprising anatomical structure information for identifying an anatomical structure within the volumetric image data set; a first determination unit (121; 123) for determining the volumetric image data set, based on the first query; a second determination unit (122; 123) for determining the volumetric image data subset of the volumetric image data set, based on the anatomical structure identified within the volumetric image data set, using the anatomical structure information comprised in the second query; and a retrieval unit (125) for retrieving the determined volumetric image data subset. The system is thus capable of retrieving a reduced amount of data describing the anatomical structure, i.e. a subset of a volumetric image data set.

    摘要翻译: 本发明涉及一种用于检索包含在体积图像数据集的数据存储器(105)中的体积图像数据子集的系统(100),该系统包括:第一查询单元(111; 113),用于组成第一个查询查询 用于包括体积图像数据子集的体积图像数据集的数据存储(105); 第二查询单元(112; 113),用于构成用于搜索体积图像数据子集的体积图像数据集的第二查询,所述第二查询包括用于识别所述体积图像数据集内的解剖结构的解剖结构信息; 用于基于所述第一查询确定所述体积图像数据集的第一确定单元(121; 123) 第二确定单元,用于使用包括在第二查询中的解剖结构信息,基于在体积图像数据集中识别的解剖结构来确定体积图像数据集的体积图像数据子集; 以及用于检索确定的体积图像数据子集的检索单元(125)。 因此,该系统能够检索描述解剖结构的减少量的数据,即体积图像数据集的子集。

    Method of measuring geometric variables of a structure contained in an image
    54.
    发明授权
    Method of measuring geometric variables of a structure contained in an image 有权
    测量图像中包含的结构的几何变量的方法

    公开(公告)号:US08478023B2

    公开(公告)日:2013-07-02

    申请号:US10488433

    申请日:2002-09-03

    IPC分类号: G06K9/00

    摘要: The invention relates to a method of measuring geometric variables of a three-dimensional structure contained in an object from at least on image representing the object, having the following steps:—use of a deformable first model describing the structure, the shape of which model can be described by parameters,—adjustment of the first model to the structure in the image,—determination of the parameters at which the first model exhibits optimum conformity with the structure,—use of a deformable second model describing the structure, which second model in shape corresponds to the first model, and which in addition contains at least one geometric variable,—modification of the second model according to the parameters determined, and—derivation of the geometric variable(s) from the modified second model.

    摘要翻译: 本发明涉及一种从表示物体的至少一个图像上测量包含在物体中的三维结构的几何变量的方法,具有以下步骤: - 使用描述该结构的可变形的第一模型,其模型的形状 可以通过参数来描述, - 将第一模型调整到图像中的结构, - 确定第一模型与结构最佳一致的参数, - 使用描述结构的可变形第二模型,第二模型 形状对应于第一模型,并且还包括至少一个几何变量,根据确定的参数来修改第二模型,以及从修改的第二模型推导出几何变量。

    METHOD FOR DETERMINING A PHYSICAL PROPERTY OF AN OBJECT, SYSTEM, COMPUTER READABLE MEDIUM AND PROGRAM ELEMENT
    55.
    发明申请
    METHOD FOR DETERMINING A PHYSICAL PROPERTY OF AN OBJECT, SYSTEM, COMPUTER READABLE MEDIUM AND PROGRAM ELEMENT 有权
    用于确定对象,系统,计算机可读介质和程序元素的物理属性的方法

    公开(公告)号:US20130039554A1

    公开(公告)日:2013-02-14

    申请号:US13642565

    申请日:2011-04-18

    IPC分类号: G06K9/00

    摘要: The invention relates to evaluating medical image information, in particular physical properties of an object (32). When preparing a surgical procedure e.g. a minimally invasive procedure, it may be beneficial to plan the procedure in detail before starting the operation. Thus, obtaining precise information about physical properties of an object (32), e.g. a diameter value (34, 36) of an anatomical structure may be beneficial. Accordingly, a method and a system for determining a physical property (34, 36) of an object (32) is provided, which employs local object context information (38) for determining a local physical property of the object (32).

    摘要翻译: 本发明涉及评估医学图像信息,特别是物体(32)的物理特性。 当准备外科手术,例如 微创程序,在开始手术之前详细规划手术可能是有益的。 因此,获得关于物体(32)的物理性质的精确信息,例如。 解剖结构的直径值(34,36)可能是有益的。 因此,提供了一种用于确定对象(32)的物理属性(34,36)的方法和系统,其使用用于确定对象(32)的本地物理属性的本地对象上下文信息(38)。

    MOTION-COMPENSATED CORONARY FLOW FROM PROJECTION IMAGING
    58.
    发明申请
    MOTION-COMPENSATED CORONARY FLOW FROM PROJECTION IMAGING 有权
    运动补偿冠状动脉从投影成像流程

    公开(公告)号:US20090116715A1

    公开(公告)日:2009-05-07

    申请号:US12301639

    申请日:2007-05-14

    IPC分类号: G06K9/00 A61B6/00

    摘要: Diagnostic angiograms only provide the projected lumen of a coronary, which is only an indirect measure of blood flow and pressure decline. According to an exemplary embodiment of the present invention, a motion compensated determination of a flow dynamics and a pressure decline for stenosis grading is provided, in which the motion compensation is performed on the basis of a tracking of a first position of a first marker and a second position of a second marker in the projection data set. This may provide for a robust and precise flow dynamics and pressure decline determination.

    摘要翻译: 诊断性血管造影仅提供冠状动脉的预计管腔,这仅是血流量和压力下降的间接测量值。 根据本发明的示例性实施例,提供了针对狭窄分级的流动动力学和压力下降的运动补偿确定,其中基于第一标记的第一位置的跟踪和 在投影数据集中的第二标记的第二位置。 这可以提供鲁棒和精确的流动动力学和压力衰减测定。

    Model-Based Flow Analysis and Visualization
    59.
    发明申请
    Model-Based Flow Analysis and Visualization 审中-公开
    基于模型的流量分析与可视化

    公开(公告)号:US20080294038A1

    公开(公告)日:2008-11-27

    申请号:US12096436

    申请日:2006-11-15

    IPC分类号: A61B6/00 G06G7/60

    摘要: A system (900), method (100, 200) and apparatus (600, 700, 800) are provided for analyzing a blood flow in a vascular system from a dynamic diagnostic observation sequence (101) to determine blood flow parameters (112) for further determination of filters, replay speed and finally visualization of the replayed original and filtered sequences. A first embodiment (100) extracts features of the observation and uses these features to select an appropriate model from a database of pre-determined models of vascular system of interest which have associated parameters. These parameters are varied to create an instance of the model that best matches the original observation. A second embodiment (200) visualizes a replay of the original observation (101) and the observation (101′) predicted by the model to highlight differences therebetween. A third embodiment (800) provides filtering and control of the replay speed.

    摘要翻译: 提供了一种系统(900),方法(100,200)和装置(600,700,800),用于从动态诊断观察序列(101)分析血管系统中的血流,以确定血流参数(112) 进一步确定滤镜,重放速度以及最终可重播的原始和过滤序列。 第一实施例(100)提取观察的特征并且使用这些特征从具有相关参数的感兴趣的血管系统的预定模型的数据库中选择适当的模型。 改变这些参数以创建与原始观察结果最匹配的模型实例。 第二实施例(200)可视化通过模型预测的原始观察(101)和观察(101')的重放以突出其间的差异。 第三实施例(800)提供重放速度的过滤和控制。

    System For The Determination Of Vessel Geometry And Flow Characteristics
    60.
    发明申请
    System For The Determination Of Vessel Geometry And Flow Characteristics 有权
    用于确定船舶几何和流量特性的系统

    公开(公告)号:US20080192887A1

    公开(公告)日:2008-08-14

    申请号:US11815113

    申请日:2006-01-31

    IPC分类号: A61B6/03 A61B6/00

    摘要: The invention relates to a method and a system for the simultaneous reconstruction of the three-dimensional vessel geometry and the flow characteristics in a vessel system. According to one realization of the method, vessel segments (41) of a parametric models are fitted to differently oriented X-ray projections (Pl, Pk, PN) of the vessel system that are generated during the passage of a bolus of contrast agent, wherein the fitting takes the imaged contrast agent dynamics and physiological a priori knowledge into account. In an alternative embodiment, the vessel geometry is reconstructed progressively along each vessel, wherein a new segment of a vessel is added based on the continuity of the vessel direction, vessel radius and reconstructed contrast agent dynamics.

    摘要翻译: 本发明涉及用于同时重建血管系统中三维血管几何形状和流动特征的方法和系统。 根据该方法的一个实现,参数模型的血管段(41)适合于不同取向的X射线投影(P ,P < 在造影剂团中通过期间产生的血管系统,其中拟合物考虑成像的造影剂动力学和生理学先验知识。 在替代实施例中,血管几何沿着每个血管逐渐重建,其中基于血管方向,血管半径和重建的造影剂动力学的连续性,添加血管的新的部分。