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公开(公告)号：US20110142201A1
公开(公告)日：2011-06-16
申请号：US12638471
申请日：2009-12-15
申请人： Jeffrey Wayne Eberhard , Bernhard Erich Hermann Claus , Colin Richard Wilson , Kedar Bhalchandra Khare
发明人： Jeffrey Wayne Eberhard , Bernhard Erich Hermann Claus , Colin Richard Wilson , Kedar Bhalchandra Khare
IPC分类号： G01N23/04
CPC分类号： G01V5/0008
摘要： A multi-view imaging system and method is disclosed. The system comprises: multiple X-ray sources emitting X-rays in a fan-shaped beam each having a first and a second beam edge defining a fan beam angle located in a predetermined configuration around an imaging volume; a system controller configured to operate the X-ray sources; detectors, to detect X-rays and configured to generate signals in response to the detected X-rays, wherein each of the plurality of X-ray sources are configured to emit X-rays to one or more detectors, further wherein the X-ray source and two end points of a corresponding detector define a fan beam plane, further wherein a line extending from the X-ray source within the fan beam plane and through the imaging volume defines a projection direction, wherein adjacent projection directions define an angular spacing; an object conveyance device configured for transporting an object along a path of travel through the imaging volume between the X-ray sources and the detectors; and a detector interface configured to acquire the signals from the detectors, wherein the predetermined configuration is defined wherein either: the projection directions when viewed along a longitudinal axis of the image system surround the imaging volume by an angular range of about 180 degrees; or the projection directions when viewed along a longitudinal axis of the image system surround the imaging volume by an angular range of about 180°−180/Q, wherein Q is a quantity of the projection directions.
摘要翻译： 公开了一种多视点成像系统和方法。 该系统包括：多个X射线源在扇形光束中发射X射线，每个X射线源具有限定围绕成像体积的预定构型的扇形束角度的第一和第二光束边缘; 被配置为操作所述X射线源的系统控制器; 检测器，用于检测X射线并被配置为响应于检测到的X射线产生信号，其中多个X射线源中的每一个被配置为向一个或多个检测器发射X射线，其中X射线 相应检测器的源极和两个端点限定了扇形光束平面，其中，从扇形光束平面内的X射线源延伸并穿过成像体积的线限定了投射方向，其中相邻的投射方向限定角度间隔; 物体输送装置，被配置为沿着X射线源和检测器之间的成像体积沿行进路径传送物体; 以及检测器接口，被配置为从所述检测器获取信号，其中限定所述预定配置，其中：沿着所述图像系统的纵轴观察的投影方向围绕所述成像体积约180度的角度范围; 或者沿着图像系统的纵轴观察时的投影方向围绕成像体积约180°-180 / Q的角度范围，其中Q是投影方向的量。
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公开(公告)号：US09055913B2
公开(公告)日：2015-06-16
申请号：US13098173
申请日：2011-04-29
申请人： Joseph John Manak , Bernhard Erich Hermann Claus , Jens Rittscher , Hao Lai , Jeffrey Wayne Eberhard , Kedar Bhalchandra Khare , Cyril Riddell , Yves Lucien Trousset
发明人： Joseph John Manak , Bernhard Erich Hermann Claus , Jens Rittscher , Hao Lai , Jeffrey Wayne Eberhard , Kedar Bhalchandra Khare , Cyril Riddell , Yves Lucien Trousset
CPC分类号： A61B6/4452 , A61B6/00 , A61B6/027
摘要： The subject matter disclosed herein relates to X-ray imaging systems, and more specifically to digital X-ray imaging systems. In one embodiment, an imaging system includes an X-ray source configured to emit X-rays. The imaging system also includes an X-ray detector configured to detect the emitted X-rays and produce a corresponding electrical signal. The imaging system also includes a gantry configured to at least partially revolve the X-ray source and the X-ray detector about a primary rotational axis. The X-ray detector is coupled to the gantry so that a diagonal of the X-ray detector is oriented substantially perpendicular to the primary rotational axis.
摘要翻译： 本文公开的主题涉及X射线成像系统，更具体地涉及数字X射线成像系统。 在一个实施例中，成像系统包括被配置为发射X射线的X射线源。 成像系统还包括被配置为检测所发射的X射线并产生相应的电信号的X射线检测器。 成像系统还包括构造成使X射线源和X射线检测器围绕主旋转轴线至少部分地旋转的台架。 X射线检测器耦合到台架，使得X射线检测器的对角线基本上垂直于主旋转轴线定向。
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公开(公告)号：US08189735B2
公开(公告)日：2012-05-29
申请号：US12841815
申请日：2010-07-22
IPC分类号： A61B6/00
CPC分类号： G06T11/006 , G06T2211/424 , G06T2211/436
摘要： Systems and method for reconstruction of x-ray images are provided. One method includes acquiring a plurality of image views using an x-ray imaging system, the plurality of image views defining a limited tomographic dataset. The method also includes performing three-dimensional (3D) image reconstruction using the plurality of image views in an iterative reconstruction, wherein the iterative reconstruction includes forming a linear combination based on a plurality of previous iteration results. The method further includes displaying an image based on the image reconstruction, wherein the image includes clinically relevant high-frequency detail information.
摘要翻译： 提供了重建X射线图像的系统和方法。 一种方法包括使用X射线成像系统获取多个图像视图，所述多个图像视图限定有限层析成像数据集。 该方法还包括在迭代重建中使用多个图像视图执行三维（3D）图像重建，其中迭代重建包括基于多个先前的迭代结果形成线性组合。 该方法还包括基于图像重建来显示图像，其中图像包括临床相关的高频细节信息。
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公开(公告)号：US20120275563A1
公开(公告)日：2012-11-01
申请号：US13098173
申请日：2011-04-29
申请人： Joseph John Manak , Bernhard Erich Hermann Claus , Jens Rittscher , Hao Lai , Jeffrey Wayne Eberhard , Kedar Bhalchandra Khare , Cyril Riddell , Yves Lucien Trousset
发明人： Joseph John Manak , Bernhard Erich Hermann Claus , Jens Rittscher , Hao Lai , Jeffrey Wayne Eberhard , Kedar Bhalchandra Khare , Cyril Riddell , Yves Lucien Trousset
IPC分类号： G01N23/04
CPC分类号： A61B6/4452 , A61B6/00 , A61B6/027
摘要： The subject matter disclosed herein relates to X-ray imaging systems, and more specifically to digital X-ray imaging systems. In one embodiment, an imaging system includes an X-ray source configured to emit X-rays. The imaging system also includes an X-ray detector configured to detect the emitted X-rays and produce a corresponding electrical signal. The imaging system also includes a gantry configured to at least partially revolve the X-ray source and the X-ray detector about a primary rotational axis. The X-ray detector is coupled to the gantry so that a diagonal of the X-ray detector is oriented substantially perpendicular to the primary rotational axis.
摘要翻译： 本文公开的主题涉及X射线成像系统，更具体地涉及数字X射线成像系统。 在一个实施例中，成像系统包括被配置为发射X射线的X射线源。 成像系统还包括被配置为检测所发射的X射线并产生相应的电信号的X射线检测器。 成像系统还包括构造成使X射线源和X射线检测器围绕主旋转轴线至少部分地旋转的台架。 X射线检测器耦合到台架，使得X射线检测器的对角线基本上垂直于主旋转轴线定向。
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公开(公告)号：US20120020448A1
公开(公告)日：2012-01-26
申请号：US12841815
申请日：2010-07-22
IPC分类号： H05G1/60
CPC分类号： G06T11/006 , G06T2211/424 , G06T2211/436
摘要： Systems and method for reconstruction of x-ray images are provided. One method includes acquiring a plurality of image views using an x-ray imaging system, the plurality of image views defining a limited tomographic dataset. The method also includes performing three-dimensional (3D) image reconstruction using the plurality of image views in an iterative reconstruction, wherein the iterative reconstruction includes forming a linear combination based on a plurality of previous iteration results. The method further includes displaying an image based on the image reconstruction, wherein the image includes clinically relevant high-frequency detail information.
摘要翻译： 提供了重建X射线图像的系统和方法。 一种方法包括使用X射线成像系统获取多个图像视图，所述多个图像视图限定有限层析成像数据集。 该方法还包括在迭代重建中使用多个图像视图执行三维（3D）图像重建，其中迭代重建包括基于多个先前的迭代结果形成线性组合。 该方法还包括基于图像重建来显示图像，其中图像包括临床相关的高频细节信息。
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公开(公告)号：US07916828B1
公开(公告)日：2011-03-29
申请号：US12683345
申请日：2010-01-06
IPC分类号： A61B6/00
CPC分类号： G06T11/006 , A61B6/00 , A61B6/466 , G06T2211/424 , G06T2211/436
摘要： In one embodiment, a method of tomographic image construction includes performing sparsification on initial projection data for an object with a processor to provide sparsified projection data of the object. The method also includes backprojecting the sparsified projection data with the processor to provide a three-dimensional image of the object, and performing sparsification on the three-dimensional image with the processor to provide a sparsified image.
摘要翻译： 在一个实施例中，断层图像构造的方法包括对处理器的初始投影数据执行稀疏化以提供对象的稀疏投影数据。 该方法还包括用处理器反投影稀疏投影数据以提供对象的三维图像，以及使用处理器对三维图像执行稀疏化以提供精细化图像。
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公开(公告)号：US20090135995A1
公开(公告)日：2009-05-28
申请号：US12276972
申请日：2008-11-24
申请人： Jeffrey Wayne Eberhard , Bernhard Erich Hermann Claus , Cynthia Elizabeth Landberg , Serge Louis Wilfrid Muller , Yann Delmas , Reinhold Franz Wirth , James George Morrow
发明人： Jeffrey Wayne Eberhard , Bernhard Erich Hermann Claus , Cynthia Elizabeth Landberg , Serge Louis Wilfrid Muller , Yann Delmas , Reinhold Franz Wirth , James George Morrow
IPC分类号： H05G1/60
CPC分类号： A61B6/025 , A61B6/032 , A61B6/4014 , A61B6/4028 , A61B6/4266 , A61B6/4429 , A61B6/502
摘要： A tomosynthesis system for forming a three dimensional image of an object is provided. The system includes an X-ray source adapted to irradiate the object with a beam of X-rays from a plurality of positions in a sector, an X-ray detector positioned relative to the X-ray source to detect X-rays transmitted through the object and a processor which is adapted to generate a three dimensional image of the object based on X-rays detected by the detector. The detector is adapted to move relative to the object and/or the X-ray source is adapted to irradiate the object with the beam of X-rays such that the beam of X-rays follows in a non arc shaped path and/or a center of the beam of X-rays impinges substantially on the same location on the detector from different X-ray source positions in the sector.
摘要翻译： 提供了一种用于形成物体的三维图像的断层合成系统。 该系统包括适于从扇区中的多个位置用X射线照射物体的X射线源，相对于X射线源定位的X射线检测器，以检测通过X射线透射的X射线 对象和处理器，其适于基于由检测器检测到的X射线来生成对象的三维图像。 检测器适于相对于物体移动和/或X射线源适于用X射线束照射物体，使得X射线束在非弧形路径和/或 X射线束的中心基本上在扇区中的不同X射线源位置撞击检测器上的相同位置。
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公开(公告)号：US07466795B2
公开(公告)日：2008-12-16
申请号：US11511644
申请日：2006-08-29
申请人： Jeffrey Wayne Eberhard , Bernhard Erich Hermann Claus , Cynthia Elizabeth Landberg , Serge Louis Wilfrid Muller , Yann Delmas , Reinhold Franz Wirth , James George Morrow
发明人： Jeffrey Wayne Eberhard , Bernhard Erich Hermann Claus , Cynthia Elizabeth Landberg , Serge Louis Wilfrid Muller , Yann Delmas , Reinhold Franz Wirth , James George Morrow
CPC分类号： A61B6/025 , A61B6/032 , A61B6/4014 , A61B6/4028 , A61B6/4266 , A61B6/4429 , A61B6/502
摘要： A tomosynthesis system for forming a three dimensional image of an object is provided. The system includes an X-ray source adapted to irradiate the object with a beam of X-rays from a plurality of positions in a sector, an X-ray detector positioned relative to the X-ray source to detect X-rays transmitted through the object and a processor which is adapted to generate a three dimensional image of the object based on X-rays detected by the detector. The detector is adapted to move relative to the object and/or the X-ray source is adapted to irradiate the object with the beam of X-rays such that the beam of X-rays follows in a non arc shaped path and/or a center of the beam of X-rays impinges substantially on the same location on the detector from different X-ray source positions in the sector.
摘要翻译： 提供了一种用于形成物体的三维图像的断层合成系统。 该系统包括适于从扇区中的多个位置用X射线照射物体的X射线源，相对于X射线源定位的X射线检测器，以检测通过X射线透射的X射线 对象和处理器，其适于基于由检测器检测到的X射线来生成对象的三维图像。 检测器适于相对于物体移动和/或X射线源适于用X射线束照射物体，使得X射线束在非弧形路径和/或 X射线束的中心基本上在扇区中的不同X射线源位置撞击检测器上的相同位置。
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9.发明申请公开(公告)号：US20080191140A1
公开(公告)日：2008-08-14
申请号：US11704827
申请日：2007-02-09
申请人： Daniel Bruno McDevitt , Jeffrey Wayne Eberhard , Bernhard Erich Hermann Claus , Scott Stephen Zelakiewicz , Joseph Bendahan
发明人： Daniel Bruno McDevitt , Jeffrey Wayne Eberhard , Bernhard Erich Hermann Claus , Scott Stephen Zelakiewicz , Joseph Bendahan
CPC分类号： G01T3/08 , G01T1/202 , G01T3/06 , G01V5/0091
摘要： Dual modality detection devices and methods are provided for detecting nuclear material, the devices include a neutron detector including multiple neutron detection modules; and a gamma detector including multiple gamma detection modules, where the multiple neutron detection modules and the multiple gamma detection modules are integrated together in a single unit to detect simultaneously both gamma rays and neutrons.
摘要翻译： 提供了用于检测核材料的双重模态检测装置和方法，该装置包括具有多个中子检测模块的中子检测器; 以及包括多个伽马检测模块的伽马检测器，其中多个中子检测模块和多个伽马检测模块以单个单元集成在一起以同时检测伽马射线和中子。
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公开(公告)号：US07352885B2
公开(公告)日：2008-04-01
申请号：US10955269
申请日：2004-09-30
申请人： Jeffrey Wayne Eberhard , John Patrick Kaufhold , Bernhard Erich Hermann Claus , Kadri Nizar Jabri , Gopal B Avinash , John Michael Sabol
发明人： Jeffrey Wayne Eberhard , John Patrick Kaufhold , Bernhard Erich Hermann Claus , Kadri Nizar Jabri , Gopal B Avinash , John Michael Sabol
IPC分类号： G06K9/00
CPC分类号： A61B6/025 , A61B6/4035 , A61B6/4241 , A61B6/4291 , A61B6/482 , A61B6/5288 , A61B6/541
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.
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