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1. 发明授权

US5934288A Method and apparatus for displaying 3D ultrasound data using three modes of operation 失效
标题翻译：使用三种操作模式显示3D超声数据的方法和装置
公开(公告)号：US5934288A
公开(公告)日：1999-08-10
申请号：US65211
申请日：1998-04-23
申请人： Ricardo Scott Avila , Lisa Sobierajski Avila , Brian Peter Geiser , William Thomas Hatfield , Todd Michael Tillman
发明人： Ricardo Scott Avila , Lisa Sobierajski Avila , Brian Peter Geiser , William Thomas Hatfield , Todd Michael Tillman
IPC分类号： A61B8/06 , G01S7/52 , G06T1/00 , G06T15/08 , G06T19/20 , A61B8/00
CPC分类号： G01S7/52073 , G01S7/52034 , A61B8/06
摘要： A method and an apparatus for allowing the operator of an ultrasound imaging system to switch between two-dimensional slices and three-dimensional projections in such a way that it is easy for the operator to visualize the relationship of the two-dimensional slice to the three-dimensional anatomy. In a "volume rotate" mode, the display screen displays an orientation box along with a three-dimensional projected image generated from a defined data volume. The orientation box provides a visual indication of the shape and orientation of that defined data volume. In a "cut plane" mode, a movable polygon representing a selected two-dimensional slice is displayed inside a stationary orientation box. The polygon provides a visual indication of the orientation and position of the slice relative to the defined data volume. In a "cut plane rotate" mode, a stationary polygon representing a selected two-dimensional slice is displayed inside a rotatable orientation box.
摘要翻译：一种用于允许超声成像系统的操作者在二维切片和三维投影之间切换的方法和装置，使得操作者易于将二维切片与三维切片的关系可视化维度解剖学。在“音量旋转”模式下，显示屏幕显示方向框以及从定义的数据量生成的三维投影图像。方向框提供了定义数据量的形状和方向的可视指示。在“切割平面”模式中，在静止取向框内显示表示所选择的二维切片的可移动多边形。多边形提供切片相对于定义的数据量的方向和位置的可视指示。在“切平面旋转”模式中，将表示所选择的二维切片的固定多边形显示在可旋转取向框内。

2. 发明授权

US06413219B1 Three-dimensional ultrasound data display using multiple cut planes 有权
标题翻译：使用多个切割平面的三维超声数据显示
公开(公告)号：US06413219B1
公开(公告)日：2002-07-02
申请号：US09524596
申请日：2000-03-14
申请人： Ricardo Scott Avila , Lisa Sobierajski Avila , William Thomas Hatfield , Brian Peter Geiser , Vaishali Vilas Kamat , Todd Michael Tillman
发明人： Ricardo Scott Avila , Lisa Sobierajski Avila , William Thomas Hatfield , Brian Peter Geiser , Vaishali Vilas Kamat , Todd Michael Tillman
IPC分类号： A61B800
CPC分类号： A61B8/483 , A61B8/14 , A61B8/463 , G01S7/52034 , G01S7/52068 , G01S7/52073 , G01S15/8993 , Y10S128/916
摘要： A three-dimensional projection image representing a projection of a data volume at a predetermined orientation, three cut plane images representing respective mutually orthogonal planar cuts through the data volume, a graphical representation of the data volume at that orientation and graphical representations of the cut planes are displayed in spaced relationship. Each of the cut planes has a respective positional relationship to the data volume graphic that corresponds to the positional relationship of the respective cut plane to the data volume. The graphical representations are displayed in different colors. Any one of the four images can be active in the sense that images are reconstructed in real-time as a trackball is moved. Which of the four images is active is indicated by displaying the corresponding graphical representation in a color denoting the active state.
摘要翻译：表示在预定取向上的数据量的投影的三维投影图像，表示通过数据卷的各自相互正交的平面切割的三个切割平面图像，在该取向处的数据量的图形表示和切割平面的图形表示以间隔关系显示。每个切割平面与对应于相应切割平面与数据量的位置关系的数据体积图形具有相应的位置关系。图形显示以不同的颜色显示。在这个意义上，四个图像中的任何一个可以是活动的，即当轨迹球被移动时，图像被实时重建。通过以表示活动状态的颜色显示相应的图形表示来指示四个图像中哪一个是活动的。

3. 发明授权

US6102861A Method and apparatus for three-dimensional ultrasound imaging using surface-enhanced volume rendering 有权
标题翻译：使用表面增强体积渲染的三维超声成像的方法和装置
公开(公告)号：US6102861A
公开(公告)日：2000-08-15
申请号：US299031
申请日：1999-04-23
申请人： Ricardo Scott Avila , Lisa Sobierajski Avila , Brian Peter Geiser , William Thomas Hatfield , Vaishali Vilas Kamat , Todd Michael Tillman
发明人： Ricardo Scott Avila , Lisa Sobierajski Avila , Brian Peter Geiser , William Thomas Hatfield , Vaishali Vilas Kamat , Todd Michael Tillman
IPC分类号： A61B8/00 , A61B8/14 , G01S7/52 , G01S15/89 , G06T1/00
CPC分类号： A61B8/483 , A61B8/14 , G01S15/8993 , G01S7/52034 , G01S7/52073 , Y10S128/916
摘要： In performing for three-dimensional ultrasound imaging of an object from any angle relative to the plane of acquisition, a human body is scanned to acquire multiple images forming a data volume. The system computer generates a multiplicity of reformatted slices through the data volume and parallel to the imaging plane. For each projected pixel, a ray is cast through the reformatted slices onto the imaging plane. For each pixel along the ray, the accumulated intensity is calculated as a function of the pixel and opacity values for the pixel being processed, the accumulated intensity calculated at the preceding pixel the remaining opacity for the subsequent pixels. The final accumulated intensity for each ray is obtained when the remaining opacity reaches a predetermined minimum. The accumulated intensities for all cast rays form the projected image.
摘要翻译：在从相对于采集平面的任何角度进行对象的三维超声成像的过程中，扫描人体以获取形成数据量的多个图像。系统计算机通过数据量产生多个重新格式化的切片并平行于成像平面。对于每个投影像素，通过重新格式化的切片将光线投射到成像平面上。对于沿着光线的每个像素，累积强度被计算为被处理的像素的像素和不透明度值的函数，在先前像素处计算的累积强度是后续像素的剩余不透明度。当剩余的不透明度达到预定的最小值时，获得每个射线的最终累积强度。所有投射光线的累积强度形成投影图像。

4. 发明授权

US06278458B1 Method of reduction and compression of model, and medium for storage thereof 失效
标题翻译：模型的还原和压缩方法以及用于储存的介质
公开(公告)号：US06278458B1
公开(公告)日：2001-08-21
申请号：US09275104
申请日：1999-03-24
申请人： Lisa Sobierajski Avila
发明人： Lisa Sobierajski Avila
IPC分类号： G06T1500
CPC分类号： G06T9/001
摘要： A rectilinear grid is positioned over a model to be compressed. Each vertex of the grid is assigned a binary value in dependence upon whether the vertex intersects the model. Cells, defined by a plurality of vertices, are arranged into elements of a series of homogeneous cells adjacent to a series of non-homogeneous cells. Each homogeneous cell is assigned a common index. Each non-homogeneous cell is assigned another index corresponding to the binary values of the non-homogeneous cell vertices. The elements are coded by storing the number of homogeneous cells, the number of non-homogeneous cells, and the index values for each non-homogeneous cell.
摘要翻译：直线网格定位在要压缩的模型上。根据顶点是否与模型相交，将网格的每个顶点分配二进制值。由多个顶点限定的细胞被排列成与一系列非均匀细胞相邻的一系列均质细胞的元件。每个均匀单元被分配一个公共索引。每个非均匀单元被分配与非均匀单元顶点的二进制值对应的另一索引。通过存储均匀单元的数量，非均匀单元的数量和每个非均匀单元的索引值对元素进行编码。

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