Imaging chain for digital tomosynthesis on a flat panel detector
    3.
    发明申请
    Imaging chain for digital tomosynthesis on a flat panel detector 审中-公开
    用于平板检测器上数字断层合成的成像链

    公开(公告)号:US20060291711A1

    公开(公告)日:2006-12-28

    申请号:US11511656

    申请日:2006-08-29

    IPC分类号: G06K9/00

    摘要: A method of creating and displaying images resulting from digital tomosynthesis performed on a subject using a flat panel detector is disclosed. The method includes the step of acquiring a series of x-ray images of the subject, where each x-ray image is acquired at different angles relative to the subject. The method also includes the steps of applying a first set of corrective measures to the series of images, reconstructing the series of images into a series of slices through the subject, and applying a second set of corrective measures to the slices. The method further includes the step of displaying the images or slices according to at least one of a plurality of display options.

    摘要翻译: 公开了一种创建和显示使用平板检测器对受试者进行数字断层合成所产生和显示的图像的方法。 该方法包括获取被摄物体的一系列X射线图像的步骤,其中以相对于被摄体的不同角度获取每个X射线图像。 该方法还包括以下步骤:将第一组校正措施应用于一系列图像,将该系列图像重建成通过对象的一系列切片,以及将第二组校正措施应用于切片。 该方法还包括根据多个显示选项中的至少一个显示图像或切片的步骤。

    Systems, methods and apparatus for specialized filtered back-projection reconstruction for digital tomosynthesis
    4.
    发明申请
    Systems, methods and apparatus for specialized filtered back-projection reconstruction for digital tomosynthesis 有权
    用于数字断层合成的专门滤波反投影重建的系统,方法和装置

    公开(公告)号:US20050265590A1

    公开(公告)日:2005-12-01

    申请号:US10859423

    申请日:2004-06-01

    IPC分类号: G06K9/00

    摘要: Systems, methods and apparatus are provided through which in one aspect, a three-dimensional (3D) image of an object is constructed from a plurality of two-dimensional (2D) images of the object using a specialized filter. The specialized filter implements a linear ramp function, a windowing function, and/or a polynomial function. The 3D image is back-projected from the filtered two-dimensional images, yielding a 3D image that has improved visual distinction of overlapping anatomic structures and reduced blurring.

    摘要翻译: 提供了一种系统,方法和装置,通过该系统,方法和装置,在一个方面,使用专用滤波器从对象的多个二维(2D)图像构建对象的三维(3D)图像。 专用滤波器实现线性斜坡函数,加窗函数和/或多项式函数。 3D图像从经滤波的二维图像中反投影,产生3D图像,其改善了重叠解剖结构的视觉区别并减少了模糊。

    SYSTEMS, METHODS AND APPARATUS FOR SPECIALIZED FILTERED BACK-PROJECTION RECONSTRUCTION FOR DIGITAL TOMOSYNTHESIS
    5.
    发明申请
    SYSTEMS, METHODS AND APPARATUS FOR SPECIALIZED FILTERED BACK-PROJECTION RECONSTRUCTION FOR DIGITAL TOMOSYNTHESIS 有权
    用于数字化硅胶的专用过滤后置投影重建的系统,方法和装置

    公开(公告)号:US20080107324A1

    公开(公告)日:2008-05-08

    申请号:US11950418

    申请日:2007-12-04

    IPC分类号: G06K9/00

    摘要: Systems, methods and apparatus are provided through which in one aspect, a three-dimensional (3D) image of an object is constructed from a plurality of two-dimensional (2D) images of the object using a specialized filter. In some embodiments, the specialized filter implements a linear ramp function, a windowing function, and/or a polynomial function. In some embodiments, the 3D image is back-projected from the filtered two-dimensional images, yielding a 3D image that has improved visual distinction of overlapping anatomic structures and reduced blurring.

    摘要翻译: 提供了一种系统,方法和装置,通过该系统,方法和装置,在一个方面,使用专用滤波器从对象的多个二维(2D)图像构建对象的三维(3D)图像。 在一些实施例中,专用滤波器实现线性斜坡函数,加窗函数和/或多项式函数。 在一些实施例中,3D图像从经过滤的二维图像反投影,产生3D重建解剖结构改善的视觉区别并减少模糊。

    Imaging chain for digital tomosynthesis on a flat panel detector
    7.
    发明申请
    Imaging chain for digital tomosynthesis on a flat panel detector 有权
    用于平板检测器上数字断层合成的成像链

    公开(公告)号:US20050002550A1

    公开(公告)日:2005-01-06

    申请号:US10613591

    申请日:2003-07-03

    IPC分类号: G06K9/00 G06T5/00 G06T11/00

    摘要: A method of creating and displaying images resulting from digital tomosynthesis performed on a subject using a flat panel detector is disclosed. The method includes the step of acquiring a series of x-ray images of the subject, where each x-ray image is acquired at different angles relative to the subject. The method also includes the steps of applying a first set of corrective measures to the series of images, reconstructing the series of images into a series of slices through the subject, and applying a second set of corrective measures to the slices. The method further includes the step of displaying the images or slices according to at least one of a plurality of display options.

    摘要翻译: 公开了一种创建和显示使用平板检测器对受试者进行数字断层合成所产生和显示的图像的方法。 该方法包括获取被摄物体的一系列X射线图像的步骤,其中以相对于被摄体的不同角度获取每个X射线图像。 该方法还包括以下步骤:将第一组校正措施应用于一系列图像,将该系列图像重建成通过对象的一系列切片,以及将第二组校正措施应用于切片。 该方法还包括根据多个显示选项中的至少一个显示图像或切片的步骤。

    Method and system for multi-energy tomosynthesis
    8.
    发明申请
    Method and system for multi-energy tomosynthesis 有权
    多能断层合成的方法与系统

    公开(公告)号:US20060067473A1

    公开(公告)日:2006-03-30

    申请号:US10955269

    申请日:2004-09-30

    IPC分类号: H05G1/64

    摘要: Briefly in accordance with one embodiment, the present technique provides a multi-energy tomosynthesis imaging system. The system includes an X-ray source configured to emit X-rays from multiple locations within a limited angular range relative to an imaging volume. The imaging system also includes a digital detector with an array of detector elements to generate images in response to the emitted X-rays. The imaging system further includes a detector acquisition circuitry to acquire the images from the digital detector. The imaging system may also include a processing circuitry configured to decompose plurality of images based on energy characteristics and to reconstruct the plurality of images to generate a three-dimensional multi-energy tomosynthesis image.

    摘要翻译: 简而言之,根据一个实施例,本技术提供了一种多能量断层合成成像系统。 该系统包括被配置为相对于成像体积在有限的角度范围内从多个位置发射X射线的X射线源。 成像系统还包括具有检测器元件阵列的数字检测器,以响应于发射的X射线产生图像。 成像系统还包括用于从数字检测器获取图像的检测器采集电路。 成像系统还可以包括处理电路,其被配置为基于能量特性分解多个图像,并且重建多个图像以生成三维多能量断层合成图像。