公开(公告)号：US08565502B2

公开(公告)日：2013-10-22

申请号：US13149732

申请日：2011-05-31

Applicant: Kai Zeng ,  Jed Douglas Pack ,  Bruno Kristiaan Bernard DeMan ,  Zhye Yin ,  Kyle Morgan Champley

Inventor： Kai Zeng ,  Jed Douglas Pack ,  Bruno Kristiaan Bernard DeMan ,  Zhye Yin ,  Kyle Morgan Champley

IPC: G06K9/00

CPC classification number: G06T11/008 ,  G06T2211/432

Abstract: Approaches are described for generating an initial reconstruction of CT data acquired using a wide-cone system. The initial reconstruction may be processed (such as via a non-linear operation) to correct frequency omissions and/or errors in the reconstruction. Corrected frequency information may then be added to the reconstruction to improve the reconstructed image.

Abstract translation: 描述了用于生成使用广锥系统获取的CT数据的初始重建的方法。 可以处理初始重建（诸如经由非线性操作）以校正重建中的频率遗漏和/或错误。 然后可以将校正的频率信息添加到重建中以改善重建的图像。

公开(公告)号：US08031829B2

公开(公告)日：2011-10-04

申请号：US11924829

申请日：2007-10-26

Applicant: Zhye Yin ,  Bruno Kristiaan Bernard DeMan ,  Jed Douglas Pack

Inventor： Zhye Yin ,  Bruno Kristiaan Bernard DeMan ,  Jed Douglas Pack

IPC: A61B6/03

CPC classification number: G06T11/006 ,  A61B6/027 ,  G06T2211/421

Abstract: A method for analytically reconstructing a multi-axial computed tomography (CT) dataset, acquired using one or more longitudinally-offset x-ray beams emitted from multiple x-ray sources is provided. The method comprises acquiring one or more CT axial projection datasets, wherein the CT axial projection datasets are acquired using less than a full scan of data. The method further comprises reconstructing the CT axial projection datasets to generate a reconstructed image volume. The reconstruction comprises back projecting one or more voxels comprising the multi-axial CT dataset, along one or more projection views, based upon a cone-angle weight determined for the voxels, wherein the cone-angle weight for the voxels is determined along a longitudinal direction.

Abstract translation: 提供了一种用于分析重建使用从多个x射线源发射的一个或多个纵向偏移X射线束获取的多轴计算机断层摄影（CT）数据集的方法。 该方法包括获取一个或多个CT轴向投影数据集，其中使用小于数据的全扫描获取CT轴向投影数据集。 该方法还包括重建CT轴向投影数据集以产生重建的图像体积。 重建包括基于为体素确定的锥角权重，沿着一个或多个投影视图反投影包括多轴CT数据集的一个或多个体元，其中，体素的锥角权重沿纵向 方向。

公开(公告)号：US20090110259A1

公开(公告)日：2009-04-30

申请号：US11924829

申请日：2007-10-26

Applicant: Zhye Yin ,  Bruno Kristiaan Bernard DeMan ,  Jed Douglas Pack

Inventor： Zhye Yin ,  Bruno Kristiaan Bernard DeMan ,  Jed Douglas Pack

IPC: G06K9/00

CPC classification number: G06T11/006 ,  A61B6/027 ,  G06T2211/421

Abstract: A method for analytically reconstructing a multi-axial computed tomography (CT) dataset, acquired using one or more longitudinally-offset x-ray beams emitted from multiple x-ray sources is provided. The method comprises acquiring one or more CT axial projection datasets, wherein the CT axial projection datasets are acquired using less than a full scan of data. The method further comprises reconstructing the CT axial projection datasets to generate a reconstructed image volume. The reconstruction comprises backprojecting one or more voxels comprising the multi-axial CT dataset, along one or more projection views, based upon a cone-angle weight determined for the voxels, wherein the cone-angle weight for the voxels is determined along a longitudinal direction.

Abstract translation: 提供了一种用于分析重建使用从多个x射线源发射的一个或多个纵向偏移X射线束获取的多轴计算机断层摄影（CT）数据集的方法。 该方法包括获取一个或多个CT轴向投影数据集，其中使用小于数据的全扫描获取CT轴向投影数据集。 该方法还包括重建CT轴向投影数据集以产生重建的图像体积。 重建包括基于针对体素确定的锥角权重，沿着一个或多个投影视图反投影包括多轴CT数据集的一个或多个体素，其中体素的锥角权重沿着纵向方向确定 。

公开(公告)号：US20080056436A1

公开(公告)日：2008-03-06

申请号：US11725891

申请日：2007-03-20

Applicant: Jed Douglas Pack ,  Zhye Yin

Inventor： Jed Douglas Pack ,  Zhye Yin

IPC: G01N23/00

CPC classification number: G01N23/046 ,  A61B6/027 ,  G01N2223/416 ,  G01N2223/419 ,  G01N2223/501

Abstract: Systems and methods are provided for acquiring and reconstructing projection data that is mathematically complete or sufficient using a computed tomography (CT) system having stationary distributed X-ray sources and detector arrays. In one embodiment, a non-sequential activation is employed to acquire mathematically complete or sufficient projection data. In another embodiment, a distributed source is provided as a generally semicircular segment. In such an embodiment, an alternating activation scheme may be employed to allow one or more helices of image data to be acquired.

Abstract translation: 提供了系统和方法，用于使用具有固定分布式X射线源和检测器阵列的计算机断层摄影（CT）系统来获取和重建数学上完整或足够的投影数据。 在一个实施例中，采用非顺序激活来获取数学上完整或足够的投影数据。 在另一个实施例中，分布式源被提供为大致半圆形段。 在这样的实施例中，可以采用交替激活方案来允许获取图像数据的一个或多个螺旋。

公开(公告)号：US20120308102A1

公开(公告)日：2012-12-06

申请号：US13149734

申请日：2011-05-31

Applicant: Jed Douglas Pack ,  Kai Zeng ,  Zhye Yin

Inventor： Jed Douglas Pack ,  Kai Zeng ,  Zhye Yin

IPC: G06K9/40 ,  G06K9/00

CPC classification number: G06T11/006 ,  G06T2211/436

Abstract: Algorithms are disclosed that recombine acquired data so as to generate a substantially uniform and complete set of frequency data where frequency data might otherwise be incomplete. This process, or its equivalent, may be accomplished in a computationally efficient manner using filtering steps in one or both of the reconstruction space and/or the post-processing space.

Abstract translation: 公开了算法，其重组所获取的数据，以便产生基本均匀且完整的频率数据集合，其中频率数据可能不完整。 该过程或其等同物可以以计算有效的方式使用在重建空间和/或后处理空间中的一个或两者中的过滤步骤来完成。

公开(公告)号：US07616731B2

公开(公告)日：2009-11-10

申请号：US11725891

申请日：2007-03-20

Applicant: Jed Douglas Pack ,  Zhye Yin

Inventor： Jed Douglas Pack ,  Zhye Yin

IPC: H05G1/60 ,  H05G1/64

CPC classification number: G01N23/046 ,  A61B6/027 ,  G01N2223/416 ,  G01N2223/419 ,  G01N2223/501

Abstract: Systems and methods are provided for acquiring and reconstructing projection data that is mathematically complete or sufficient using a computed tomography (CT) system having stationary distributed X-ray sources and detector arrays. In one embodiment, a non-sequential activation is employed to acquire mathematically complete or sufficient projection data. In another embodiment, a distributed source is provided as a generally semicircular segment. In such an embodiment, an alternating activation scheme may be employed to allow one or more helices of image data to be acquired.

Abstract translation: 提供了系统和方法，用于使用具有固定分布式X射线源和检测器阵列的计算机断层摄影（CT）系统来获取和重建数学上完整或足够的投影数据。 在一个实施例中，采用非顺序激活来获取数学上完整或足够的投影数据。 在另一个实施例中，分布式源被提供为大致半圆形段。 在这样的实施例中，可以采用交替激活方案来允许获取图像数据的一个或多个螺旋。

公开(公告)号：US20080056437A1

公开(公告)日：2008-03-06

申请号：US11725892

申请日：2007-03-20

Applicant: Jed Douglas Pack ,  Zhye Yin ,  Samit Kumar Basu ,  John Charles Hill ,  Peter Michael Edic

Inventor： Jed Douglas Pack ,  Zhye Yin ,  Samit Kumar Basu ,  John Charles Hill ,  Peter Michael Edic

IPC: G01N23/00

CPC classification number: G01T1/2985 ,  A61B6/027

Abstract: Systems and methods are provided for acquiring and reconstructing projection data using a computed tomography (CT) system having stationary distributed X-ray sources and detector arrays. In one embodiment, a non-sequential activation of X-ray source locations on an annular source is employed to acquire projection data. In another embodiment, a distributed source is tilted relative to an axis of the scanner to acquire the projection data. In a further embodiment, a plurality of X-ray source locations on an annular source are activated such that the aggregated signals correspond to two or more sets of spatially interleaved helical scan data.

Abstract translation: 提供了使用具有固定分布式X射线源和检测器阵列的计算机断层摄影（CT）系统来获取和重建投影数据的系统和方法。 在一个实施例中，使用在环形源上的X射线源位置的非顺序激活来获取投影数据。 在另一个实施例中，分布式源相对于扫描器的轴线倾斜以获取投影数据。 在另一实施例中，环形源上的多个X射线源位置被激活，使得聚集的信号对应于两组或多组空间交错的螺旋扫描数据。

公开(公告)号：US20080056435A1

公开(公告)日：2008-03-06

申请号：US11726023

申请日：2007-03-20

Applicant: Samit Kumar Basu ,  Bruno De Man ,  Jed Douglas Pack ,  Xiaoye Wu ,  Zhye Yin ,  Peter Michael Edic

Inventor： Samit Kumar Basu ,  Bruno De Man ,  Jed Douglas Pack ,  Xiaoye Wu ,  Zhye Yin ,  Peter Michael Edic

IPC: G01N23/00

CPC classification number: G01T1/2985 ,  A61B6/027

Abstract: Systems and methods are provided for acquiring and reconstructing projection data that is mathematically complete or sufficient using a computed tomography (CT) system having stationary distributed X-ray sources and detector arrays. In one embodiment, a distributed source is provided as arcuate segments offset in the X-Y plane and along the Z-axis.

Abstract translation: 提供了系统和方法，用于使用具有固定分布式X射线源和检测器阵列的计算机断层摄影（CT）系统来获取和重建数学上完整或足够的投影数据。 在一个实施例中，分布式源被提供为在X-Y平面和Z轴上偏移的弧形段。

公开(公告)号：US20080123803A1

公开(公告)日：2008-05-29

申请号：US11563061

申请日：2006-11-24

Applicant: Bruno K.B. De Man ,  Colin R. Wilson ,  Bernhard Claus ,  Maria Iatrou ,  James W. LeBlanc ,  Dirk Beque ,  Samit Kumar Basu ,  Mark Vermilyea ,  Zhye Yin

Inventor： Bruno K.B. De Man ,  Colin R. Wilson ,  Bernhard Claus ,  Maria Iatrou ,  James W. LeBlanc ,  Dirk Beque ,  Samit Kumar Basu ,  Mark Vermilyea ,  Zhye Yin

IPC: A61B6/00

CPC classification number: G01N23/046 ,  A61B6/032 ,  A61B6/4028 ,  A61B6/4085 ,  G01N2223/419 ,  G01N2223/612

Abstract: A CT imaging system includes a rotatable gantry having an opening to receive an object to be scanned. A plurality of x-ray emission sources are attached to the rotatable gantry, each x-ray emission source configured to emit x-rays in a conebeam toward the object. The CT imaging system also includes a plurality of x-ray detector arrays attached to the gantry and positioned to receive x-rays passing through the object. At least one x-ray detector array of the plurality of x-ray detector arrays is configured to receive x-rays from more than one x-ray emission source.

Abstract translation: CT成像系统包括具有用于接收待扫描物体的开口的可旋转机架。 多个x射线发射源附着在可旋转机架上，每个X射线发射源被配置为朝向物体发射锥形束中的x射线。 CT成像系统还包括多个附接到台架的X射线检测器阵列，并被定位成接收通过物体的X射线。 多个X射线检测器阵列中的至少一个X射线检测器阵列被配置为从多于一个x射线发射源接收x射线。

公开(公告)号：US07885375B2

公开(公告)日：2011-02-08

申请号：US12254732

申请日：2008-10-20

Applicant: Bruno Kristiaan Bernard De Man ,  Daniel David Harrison ,  Maria Iatrou ,  Brian Patrick Smyth ,  Zhye Yin ,  Samit Kumar Basu ,  Souma Sengupta ,  Peter Claudius Sanza

Inventor： Bruno Kristiaan Bernard De Man ,  Daniel David Harrison ,  Maria Iatrou ,  Brian Patrick Smyth ,  Zhye Yin ,  Samit Kumar Basu ,  Souma Sengupta ,  Peter Claudius Sanza

IPC: G01N23/00

CPC classification number: A61B6/032 ,  A61B6/027 ,  A61B6/4014 ,  A61B6/4028 ,  A61B6/4085 ,  A61B6/4266

Abstract: A technique is provided for imaging a field of view using an X-ray source comprising two or more emission points. The two or more emission points may be independently operated. Independent operation of the two or more emission points in performed in accordance with a list of commands that specifies the operation of the emission points. The list of commands, in one embodiment, is stored in a sequence buffer. In other embodiments, the list of commands is generated for a given usage, without being stored in a sequence buffer.

Abstract translation: 提供了一种使用包括两个或更多个发射点的X射线源对视场成像的技术。 两个或更多个发射点可以独立地操作。 根据指定发射点的操作的命令的列表来执行两个或更多个发射点的独立操作。 在一个实施例中，命令列表存储在序列缓冲器中。 在其他实施例中，为给定的使用生成命令列表，而不被存储在序列缓冲器中。