Method for the detection of contours in an X-ray image
    1.
    发明授权
    Method for the detection of contours in an X-ray image 失效
    用于检测X射线图像中轮廓的方法

    公开(公告)号:US06373918B1

    公开(公告)日:2002-04-16

    申请号:US09526429

    申请日:2000-03-15

    IPC分类号: G01N23083

    摘要: The present invention relates to a method for automatically detecting contours of, for example, shutters or implants in an X-ray image. A number of closed paths is derived from the X-ray image, one of said closed paths being selected, in dependence on the contrast along the closed paths, as the contour. The closed paths may be derived from a set of line candidates on which contour pixel candidates are situated. The contour pixel candidates can be derived from a high-pass or gradient version of the X-ray image.

    摘要翻译: 本发明涉及一种用于自动检测X射线图像中的例如百叶窗或植入物的轮廓的方法。 从X射线图像导出许多封闭路径,根据沿着封闭路径的对比度,所选择的一个所述封闭路径作为轮廓。 闭合路径可以从轮廓像素候选位置所在的一组线候选导出。 轮廓像素候选可以从X射线图像的高通或渐变版本导出。

    X-ray device incorporating detection of shutter edges
    2.
    发明授权
    X-ray device incorporating detection of shutter edges 失效
    包含快门边缘检测的X射线装置

    公开(公告)号:US06445771B1

    公开(公告)日:2002-09-03

    申请号:US09561474

    申请日:2000-04-27

    IPC分类号: G21K104

    CPC分类号: A61B6/06

    摘要: The shutters (2) in an X-ray device which include at least a radiation source (1), a diaphragm device (8) with shutters (2) and a recording (3) and image processing unit (4), are provided with hole and/or edge patterns (11-14) which reproduce non-anatomical patterns in the radiation image; the shutter edges (15) are detected in the radiation image in the image processing unit on the basis of such patterns, so that only the directly irradiated part of the patient is displayed.

    摘要翻译: X射线装置中的至少包括辐射源(1),具有快门(2)和隔膜装置(8)以及记录(3)和图像处理单元(4)的光闸(2)设置有 孔和/或边缘图案(11-14),其在放射图像中再现非解剖图案; 基于这些图案,在图像处理单元中的放射线图像中检测快门边缘(15),使得仅显示患者的直接照射部分。

    Method of automatic extraction of the pulmonary artery tree from 3D medical images
    3.
    发明授权
    Method of automatic extraction of the pulmonary artery tree from 3D medical images 有权
    从3D医学图像自动提取肺动脉树的方法

    公开(公告)号:US07970189B2

    公开(公告)日:2011-06-28

    申请号:US11815662

    申请日:2006-02-06

    IPC分类号: G06K9/00

    摘要: An automated method (1) for the automatic extraction of a pulmonary vessel tree from a 3D medical image, such as multi-slice CT data, is disclosed. A segmented pulmonary vessel is identified as either an artery or a vein by determining a measure for arterialness for the vessel. The measure is based on a relation of the orientation of a local bronchus to the orientation of the segmented pulmonary vessel of the local bronchus. When a vessel is identified as a pulmonary artery, it is added to the pulmonary artery tree. Radii of the pulmonary artery and bronchus are measured automatically and positions where a ratio of these radii exhibits unusual values are presented in a display, preferably for suggesting further assessment by a radiologist, which for instance is useful for pulmonary embolism detection.

    摘要翻译: 公开了一种用于从诸如多层CT数据的3D医学图像自动提取肺血管树的自动化方法(1)。 通过确定血管动脉的测量,将分段的肺血管识别为动脉或静脉。 该措施基于局部支气管的取向与局部支气管的分段肺血管的取向的关系。 当血管被识别为肺动脉时,将其加入肺动脉树。 自动测量肺动脉和支气管的半径,并且在显示中呈现这些半径的比率显示出异常值的位置,优选用于暗示例如用于肺栓塞检测的放射科医师的进一步评估。

    RENDERING A VIEW FROM AN IMAGE DATASET
    4.
    发明申请
    RENDERING A VIEW FROM AN IMAGE DATASET 有权
    从图像数据库渲染视图

    公开(公告)号:US20100149214A1

    公开(公告)日:2010-06-17

    申请号:US12063111

    申请日:2006-08-10

    IPC分类号: G09G5/00

    摘要: The invention relates to a rendering system (100) for rendering a view from an image dataset, the rendering system comprising a selecting unit (110) for selecting a subset of the image dataset, a computing unit (120) for computing a first principal axis of a tensor on the basis of the subset of the image dataset, and a rendering unit (130) for rendering the view on the basis of the first principal axis. Using the information about the directionality and orientation of a structure, comprised in the selected subset of the image dataset and extracted from the first principal axis of the tensor, the rendering system (100) is arranged to effectively assist the user in selecting an advantageous view from the image dataset.

    摘要翻译: 本发明涉及一种用于从图像数据集呈现视图的渲染系统(100),所述绘制系统包括用于选择所述图像数据集的子集的选择单元(110),用于计算第一主轴的计算单元(120) 基于所述图像数据集的子集的张量,以及用于基于所述第一主轴渲染所述视图的渲染单元(130)。 使用包括在所述图像数据集的所选择的子集中并从所述张量的所述第一主轴提取的结构的方向性和取向的信息,所述呈现系统(100)被布置为有效地帮助所述用户选择有利视图 从图像数据集。

    Method for the selective rendering of body structures
    5.
    发明授权
    Method for the selective rendering of body structures 有权
    选择性渲染身体结构的方法

    公开(公告)号:US07636484B2

    公开(公告)日:2009-12-22

    申请号:US10533648

    申请日:2003-11-12

    摘要: A method provided for the formation of a selective rendering of body structures of an object to be examined from a primary image data set. The method provides a simple and fast selection or deselection of given body structures. The method comprises the following steps: forming at least one pixel group (BG1-BG16) which comprises pixels from the primary data set which are in conformity with predetermined filter criteria, forming at least one pixel list by selection and/or deselection of at least one pixel group in conformity with predetermined criteria, marking the pixels of the pixel groups of the at least one pixel list, forming a filtered secondary image data set which includes the marked pixels, and forming the rendering from the secondary image data set, the marked pixels being separately rendered in highlighted or suppressed form.

    摘要翻译: 一种提供用于从主图像数据集形成要检查的对象的身体结构的选择性渲染的方法。 该方法提供给定身体结构的简单且快速的选择或取消选择。 该方法包括以下步骤:形成至少一个像素组(BG1-BG16),其包括来自主数据集的符合预定过滤标准的像素,通过至少选择和/或取消选择形成至少一个像素列表 符合预定标准的一个像素组,标记所述至少一个像素列表的像素组的像素,形成包括标记像素的滤波次级图像数据集,以及从次要图像数据集合形成渲染,标记 像素以突出显示或抑制形式单独渲染。

    METHOD OF AUTOMATIC EXTRACTION OF THE PULMONARY ARTERY TREE FROM 3D MEDICAL IMAGES
    6.
    发明申请
    METHOD OF AUTOMATIC EXTRACTION OF THE PULMONARY ARTERY TREE FROM 3D MEDICAL IMAGES 有权
    从三维医学图像中自动提取脉络膜的方法

    公开(公告)号:US20100128940A1

    公开(公告)日:2010-05-27

    申请号:US11815662

    申请日:2006-02-06

    IPC分类号: G06K9/62

    摘要: An automated method (1) for the automatic extraction of a pulmonary vessel tree from a 3D medical image, such as multi-slice CT data, is disclosed. A segmented pulmonary vessel is identified as either an artery or a vein by determining a measure for arterialness for the vessel. The measure is based on a relation of the orientation of a local bronchus to the orientation of the segmented pulmonary vessel of the local bronchus. When a vessel is identified as a pulmonary artery, it is added to the pulmonary artery tree. Radii of the pulmonary artery and bronchus are measured automatically and positions where a ratio of these radii exhibits unusual values are presented in a display, preferably for suggesting further assessment by a radiologist, which for instance is useful for pulmonary embolism detection.

    摘要翻译: 公开了一种用于从诸如多层CT数据的3D医学图像自动提取肺血管树的自动化方法(1)。 通过确定血管动脉的测量,将分段的肺血管识别为动脉或静脉。 该措施基于局部支气管的取向与局部支气管的分段肺血管的取向的关系。 当血管被识别为肺动脉时,将其加入肺动脉树。 自动测量肺动脉和支气管的半径,并且在显示中呈现这些半径的比率显示出异常值的位置,优选用于暗示例如用于肺栓塞检测的放射科医师的进一步评估。

    Rendering a view from an image dataset
    7.
    发明授权
    Rendering a view from an image dataset 有权
    从图像数据集渲染视图

    公开(公告)号:US09092886B2

    公开(公告)日:2015-07-28

    申请号:US12063111

    申请日:2006-08-10

    IPC分类号: G06K9/00 G06T19/00

    摘要: The invention relates to a rendering system (100) for rendering a view from an image dataset, the rendering system comprising a selecting unit (110) for selecting a subset of the image dataset, a computing unit (120) for computing a first principal axis of a tensor on the basis of the subset of the image dataset, and a rendering unit (130) for rendering the view on the basis of the first principal axis. Using the information about the directionality and orientation of a structure, comprised in the selected subset of the image dataset and extracted from the first principal axis of the tensor, the rendering system (100) is arranged to effectively assist the user in selecting an advantageous view from the image dataset.

    摘要翻译: 本发明涉及一种用于从图像数据集呈现视图的渲染系统(100),所述绘制系统包括用于选择所述图像数据集的子集的选择单元(110),用于计算第一主轴的计算单元(120) 基于所述图像数据集的子集的张量,以及用于基于所述第一主轴渲染所述视图的渲染单元(130)。 使用包括在所述图像数据集的所选择的子集中并从所述张量的所述第一主轴提取的结构的方向性和取向的信息,所述呈现系统(100)被布置为有效地帮助所述用户选择有利视图 从图像数据集。

    Planar angular visualization of the bronchial tree
    8.
    发明授权
    Planar angular visualization of the bronchial tree 有权
    支气管树的平面角度可视化

    公开(公告)号:US08045769B2

    公开(公告)日:2011-10-25

    申请号:US11719549

    申请日:2005-11-21

    IPC分类号: G06K9/00 A61B6/00

    摘要: A system (20) an image acquisition device, an image workstation, computer-readable medium and method for visualizing an anatomical tree structure is disclosed. The anatomical tree structure is segmented from a three-dimensional image set of at least a portion of a body. A planar angular visualization of the anatomical tree structure is then determined. The planar angular visualization of the anatomical tree structure is then displayed. Since the displayed anatomical tree structure has no occlusions or intersections of segments, the anatomical tree is much easier to read which facilitates subsequent automated or manual diagnosis of the tree for anomalies.

    摘要翻译: 公开了一种用于可视化解剖学树结构的图像获取装置,图像工作站,计算机可读介质和方法的系统(20)。 解剖树结构从身体的至少一部分的三维图像集分割。 然后确定解剖学树结构的平面角度可视化。 然后显示解剖树结构的平面角度可视化。 由于显示的解剖树结构没有遮挡物或切片的交叉点,所以解剖树比较容易阅读,这有助于随后的自动或手动诊断树的异常。

    Volume measurement in 3D datasets
    9.
    发明授权
    Volume measurement in 3D datasets 有权
    3D数据集中的体积测量

    公开(公告)号:US07643663B2

    公开(公告)日:2010-01-05

    申请号:US10551028

    申请日:2004-03-22

    IPC分类号: G06K9/00

    摘要: Volume measurement of for example a tumor in a 3D image dataset is an important and often performed task. The problem is to segment the tumor out of this volume in order to measure its dimensions. This problem is complicated by the fact that the tumors are often connected to vessels and other organs. According to the present invention, an automated method and corresponding device and computer software are provided, which analyze a volume of interest around a singled out tumor, and which, by virtue of a 3D distance transform and a region drawing scheme advantageously allow to automatically segment a tumor out of a given volume.

    摘要翻译: 体积测量例如3D图像数据集中的肿瘤是一个重要且经常执行的任务。 问题是将肿瘤从该体积中分离出来以测量其尺寸。 这个问题由于肿瘤通常与血管和其他器官相连的事实而变得复杂。 根据本发明,提供一种自动化方法和相应的装置和计算机软件,其分析围绕单个肿瘤的感兴趣体积,并且通过3D距离变换和区域绘制方案有利地允许自动分段 一个给定体积的肿瘤。

    PLANAR ANGULAR VISUALIZATION OF THE BRONCHIAL TREE
    10.
    发明申请
    PLANAR ANGULAR VISUALIZATION OF THE BRONCHIAL TREE 有权
    平面图可视化的BRANCHIAL TREE

    公开(公告)号:US20090148008A1

    公开(公告)日:2009-06-11

    申请号:US11719549

    申请日:2005-11-21

    IPC分类号: G06K9/00

    摘要: A system (20) an image aquisition device, an image workstation, computer-readable medium and method for visualizing an anatomical tree structure is disclosed. The anatomical tree structure is segmented from a three-dimensional image set of at least a portion of a body. A planar angular visualization of the anatomical tree structure is then determined. The planar angular visualization of the anatomical tree structure is then displayed. Since the displayed anatomical tree structure has no occlusions or intersections of segments, the anatomical tree is much easier to read which facilitates subsequent automated or manual diagnosis of the tree for anomalies.

    摘要翻译: 公开了一种图像采集装置,图像工作站,用于可视化解剖树结构的计算机可读介质和方法的系统(20)。 解剖树结构从身体的至少一部分的三维图像集分割。 然后确定解剖学树结构的平面角度可视化。 然后显示解剖树结构的平面角度可视化。 由于显示的解剖树结构没有遮挡物或切片的交叉点,所以解剖树比较容易阅读,这有助于随后的自动或手动诊断树的异常。