METHOD OF REDUCING NOISE IN A VOLUME-RENDERED IMAGE
    1.
    发明申请
    METHOD OF REDUCING NOISE IN A VOLUME-RENDERED IMAGE 审中-公开
    降低噪声影像中噪声的方法

    公开(公告)号:US20120154400A1

    公开(公告)日:2012-06-21

    申请号:US12973236

    申请日:2010-12-20

    IPC分类号: G06T17/00

    摘要: A method of reducing noise in a volume-rendered image includes generating a volume-rendered image from data, identifying a pixel location of suspected noise in the volume-rendered image, and calculating a voxel location that corresponds to the pixel location and intersects a rendered surface in voxel space. The method includes implementing a region-growing algorithm using the voxel location as a seed point to identify a plurality of voxels in a suspected noisy region. The method includes modifying the data to generate modified data by assigning lower opacity values to the plurality of voxels. The method includes generating a modified volume-rendered image from the modified data and displaying the modified volume-rendered image.

    摘要翻译: 降低体绘制图像中的噪声的方法包括从数据生成体积渲染图像,识别体积渲染图像中的可疑噪声的像素位置,以及计算与像素位置相对应并与渲染图像相交的体素位置 体素空间中的表面。 该方法包括实现使用体素位置作为种子点的区域增长算法来识别可疑嘈杂区域中的多个体素。 该方法包括通过向多个体素分配较低的不透明度值来修改数据以生成修改的数据。 该方法包括从经修改的数据生成经修改的卷渲染图像并显示经修改的卷渲染图像。

    METHOD AND APPARATUS FOR SELECTIVELY ENHANCING ULTRASOUND IMAGE DATA
    3.
    发明申请
    METHOD AND APPARATUS FOR SELECTIVELY ENHANCING ULTRASOUND IMAGE DATA 审中-公开
    用于选择性增强超声图像数据的方法和装置

    公开(公告)号:US20090177086A1

    公开(公告)日:2009-07-09

    申请号:US11971688

    申请日:2008-01-09

    IPC分类号: A61B8/06

    摘要: Noise may be reduced in ultrasound images that comprise at least a fluid area and a tissue area. The image data comprises pixels having input intensity values. Edge pixels associated with an edge within the tissue area are detected. The input intensity values of at least a portion of non-edge pixels are modulated to be less than the input intensity value of the none-edge pixel to form a selectively enhanced image for display.

    摘要翻译: 至少包括流体区域和组织区域的超声图像中的噪声可能会降低。 图像数据包括具有输入强度值的像素。 检测与组织区域内的边缘相关联的边缘像素。 非边缘像素的至少一部分的输入强度值被调制为小于非边缘像素的输入强度值,以形成用于显示的选择性增强的图像。

    Methods and apparatus for volume rendering
    4.
    发明申请
    Methods and apparatus for volume rendering 有权
    体绘制的方法和装置

    公开(公告)号:US20080278488A1

    公开(公告)日:2008-11-13

    申请号:US11800742

    申请日:2007-05-07

    IPC分类号: G06T17/00

    CPC分类号: G06T15/08

    摘要: A method for performing a volume rendering of an image uses a computer having a processor, memory, and a display. The method includes globally segmenting image data that represents an image to thereby locate boundaries in the image, determining regional opacity functions using the image data in a vicinity of the boundaries, and volume rendering the image data utilizing the regional opacity functions to display an image. The method provides a presentation of improved images of structures. These improved images are obtained using a regional optimization of the opacity function such that the perceived object boundary coincides more closely with a segmented boundary.

    摘要翻译: 用于执行图像的体绘制的方法使用具有处理器,存储器和显示器的计算机。 该方法包括全局分割表示图像的图像数据,从而定位图像中的边界,使用边界附近的图像数据确定区域不透明度函数,以及使用区域不透明度函数对图像数据进行体积绘制以显示图像。 该方法提供了改进的结构图像的呈现。 使用不透明度函数的区域优化获得这些改进的图像,使得感知到的对象边界与分割边界更紧密地重合。

    Methods and apparatus for volume rendering
    7.
    发明授权
    Methods and apparatus for volume rendering 有权
    体绘制的方法和装置

    公开(公告)号:US07990378B2

    公开(公告)日:2011-08-02

    申请号:US11800742

    申请日:2007-05-07

    IPC分类号: G06T17/00

    CPC分类号: G06T15/08

    摘要: A method for performing a volume rendering of an image uses a computer having a processor, memory, and a display. The method includes globally segmenting image data that represents an image to thereby locate boundaries in the image, determining regional opacity functions using the image data in a vicinity of the boundaries, and volume rendering the image data utilizing the regional opacity functions to display an image. The method provides a presentation of improved images of structures. These improved images are obtained using a regional optimization of the opacity function such that the perceived object boundary coincides more closely with a segmented boundary.

    摘要翻译: 用于执行图像的体绘制的方法使用具有处理器,存储器和显示器的计算机。 该方法包括全局分割表示图像的图像数据,从而定位图像中的边界,使用边界附近的图像数据确定区域不透明度函数,以及使用区域不透明度函数对图像数据进行体积绘制以显示图像。 该方法提供了改进的结构图像的呈现。 使用不透明度函数的区域优化获得这些改进的图像,使得感知到的对象边界与分割边界更紧密地重合。

    Methods and systems for medical imaging
    8.
    发明授权
    Methods and systems for medical imaging 有权
    医学影像学方法与系统

    公开(公告)号:US07331927B2

    公开(公告)日:2008-02-19

    申请号:US10695209

    申请日:2003-10-28

    IPC分类号: A61B8/00

    摘要: A medical imaging system includes an image sensor that receives imaging signals from a region of interest, a memory coupled to the image sensor, and a processor coupled to the memory. The memory stores image data derived from the imaging signals for first and second sub-regions of the region of interest acquired during a first and second occurrence of a physiologic cycle. The processor initiates display of the first image data while the second image data is being acquired and initiates display of the first image data joined with the second image data after the second image data is acquired.

    摘要翻译: 医疗成像系统包括从感兴趣区域接收成像信号的图像传感器,耦合到图像传感器的存储器和耦合到存储器的处理器。 存储器存储从在生理周期的第一次和第二次发生期间获取的感兴趣区域的第一和第二子区域的成像信号导出的图像数据。 处理器在获取第二图像数据的同时开始显示第一图像数据,并且在获取第二图像数据之后启动与第二图像数据连接的第一图像数据的显示。

    Method and system for performing real time navigation of ultrasound volumetric data
    10.
    发明授权
    Method and system for performing real time navigation of ultrasound volumetric data 有权
    用于执行超声体积数据的实时导航的方法和系统

    公开(公告)号:US07604595B2

    公开(公告)日:2009-10-20

    申请号:US10926547

    申请日:2004-08-26

    IPC分类号: A61B8/00

    摘要: An ultrasound system is provided that includes a display processor that accesses data volumes stored in an image buffer successively to control generation of at least one of 2D and 3D renderings based on display parameters. The display processor obtains from the image buffer a first data volume defined based on first scan parameter values, while a probe acquires ultrasound information for a second data volume that is entered into the image buffer. The second data volume is defined based on second scan parameter values. A navigation view presents in real time the renderings generated by the display processor with their corresponding 31) orientation. A navigator is provided that controls the display of the navigation view in real time such that, as the user adjusts a display parameter value to change a view plane, images presented in the navigation view are updated to reflect the view plane.

    摘要翻译: 提供了一种超声系统,其包括显示处理器,其基于显示参数连续访问存储在图像缓冲器中的数据量,以控制2D和3D渲染中的至少一个的生成。 显示处理器从图像缓冲器获得基于第一扫描参数值定义的第一数据卷,而探测器获取输入到图像缓冲器中的第二数据卷的超声信息。 第二个数据量是基于第二个扫描参数值定义的。 导航视图实时呈现由显示处理器产生的与其对应的31)方向的渲染。 提供导航器,其实时地控制导航视图的显示,使得当用户调整显示参数值以改变观看平面时,更新导航视图中呈现的图像以反映视图平面。