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1. 发明授权

US07492855B2 System and method for detecting an object 有权
标题翻译：用于检测物体的系统和方法
公开(公告)号：US07492855B2
公开(公告)日：2009-02-17
申请号：US10743195
申请日：2003-12-22
申请人： Forrest Frank Hopkins , Peter Michael Edic , Samit Kumar Basu , Bruno De Man , James Walter Leblanc , Xiaoye Wu , Deborah Joy Walter , William Robert Ross , Colin Richard Wilson , Ricardo Scott Avila , Robert August Kaucic, Jr.
发明人： Forrest Frank Hopkins , Peter Michael Edic , Samit Kumar Basu , Bruno De Man , James Walter Leblanc , Xiaoye Wu , Deborah Joy Walter , William Robert Ross , Colin Richard Wilson , Ricardo Scott Avila , Robert August Kaucic, Jr.
IPC分类号： G01N23/04
CPC分类号： G01V5/0016 , A61B6/4035 , A61B6/4241 , A61B6/482 , G01V5/0041 , G01V5/005 , G06F19/00
摘要： A system and method for ascertaining the identity of an object within an enclosed article. The system includes an acquisition subsystem utilizing a stationary radiation source and detector, a reconstruction subsystem, a computer-aided detection (CAD) subsystem, and a 2D/3D visualization subsystem. The detector may be an energy discriminating detector. The acquisition subsystem communicates view data to the reconstruction subsystem, which reconstructs it into image data and communicates it to the CAD subsystem. The CAD subsystem analyzes the image data to ascertain whether it contains any area of interest. Any such area of interest data is sent to the reconstruction subsystem for further reconstruction, using more rigorous algorithms and further analyzed by the CAD subsystem. Other information, such as risk variables or trace chemical detection information may be communicated to the CAD subsystem to be included in its analysis.
摘要翻译：用于确定封闭物品内物体的身份的系统和方法。该系统包括利用固定辐射源和检测器，重建子系统，计算机辅助检测（CAD）子系统和2D / 3D可视化子系统的采集子系统。检测器可以是能量识别检测器。采集子系统将视图数据传送到重建子系统，将其重建为图像数据并将其传送到CAD子系统。 CAD子系统分析图像数据，以确定它是否包含任何感兴趣的区域。任何这样的感兴趣的数据区域被发送到重建子系统以进一步重建，使用更严格的算法并由CAD子系统进一步分析。其他信息，例如风险变量或痕量化学检测信息可以传达给CAD子系统以包含在其分析中。

2. 发明授权

US08111889B2 Method and apparatus for efficient calculation and use of reconstructed pixel variance in tomography images 有权
标题翻译：用于有效计算和使用断层图像中的重建像素方差的方法和装置
公开(公告)号：US08111889B2
公开(公告)日：2012-02-07
申请号：US10813758
申请日：2004-03-31
申请人： Samit Kumar Basu , Bruno Kristiaan Bernard De Man , Peter Michael Edic , Ricardo Scott Avila , James Vradenburg Miller , Colin Craig McCulloch , Deborah Joy Walter , Paulo Ricardo dos Santos Mendonca , William Macomber Leue , Thomas Baby Sebastian
发明人： Samit Kumar Basu , Bruno Kristiaan Bernard De Man , Peter Michael Edic , Ricardo Scott Avila , James Vradenburg Miller , Colin Craig McCulloch , Deborah Joy Walter , Paulo Ricardo dos Santos Mendonca , William Macomber Leue , Thomas Baby Sebastian
IPC分类号： G06K9/00
CPC分类号： G06T11/005 , G06T2211/421
摘要： A technique is disclosed for generating variance data and a variance map from measured projection data acquired from a tomography system. The method comprises accessing the measured projection data from the tomography system. The method further comprises generating the variance map from the measured projection data and displaying, analyzing or processing the variance map. The variance data is determined based upon a statistical model from measured image data, and may be used for image analysis, data acquisition, in computer aided diagnosis routines, and so forth.
摘要翻译：公开了用于从断层摄影系统获取的测量投影数据产生方差数据和方差图的技术。该方法包括从断层摄影系统访问所测量的投影数据。该方法还包括从所测量的投影数据生成方差图并显示，分析或处理方差图。方差数据基于来自测量图像数据的统计模型确定，并且可以用于图像分析，数据采集，计算机辅助诊断例程等。

3. 发明授权

US07356174B2 Contraband detection system and method using variance data 有权
标题翻译：违禁检测系统和使用方差数据的方法
公开(公告)号：US07356174B2
公开(公告)日：2008-04-08
申请号：US10839858
申请日：2004-05-07
申请人： William Macomber Leue , Ricardo Scott Avila , Colin Craig Mc Culloch , Samit Kumar Basu , Deborah Joy Walter
发明人： William Macomber Leue , Ricardo Scott Avila , Colin Craig Mc Culloch , Samit Kumar Basu , Deborah Joy Walter
IPC分类号： G06K9/00
CPC分类号： G01V5/005 , G06T7/0004 , G06T7/11 , G06T7/143 , G06T2207/10081 , G06T2207/30112
摘要： A technique is disclosed for detecting contraband by obtaining image data from a computed tomography machine and generating variance data and a variance map from the image data acquired. The method includes obtaining a mean density value and a variation value for each voxel of the image data, segmenting the voxels into discrete objects, and determining whether any of the discrete objects is contraband.
摘要翻译：公开了一种通过从计算机断层摄影机获得图像数据并从获取的图像数据生成方差数据和方差图来检测违禁品的技术。该方法包括获得图像数据的每个体素的平均密度值和变化值，将体素分割为离散对象，以及确定任何离散对象是否违禁。

4. 发明授权

US07212604B2 Multi-layer direct conversion computed tomography detector module 有权
标题翻译：多层直接计算机断层摄影检测模块
公开(公告)号：US07212604B2
公开(公告)日：2007-05-01
申请号：US11171169
申请日：2005-06-29
申请人： John Eric Tkaczyk , James Walter Leblanc , Wen Li , Deborah Joy Walter , Yanfeng Du
发明人： John Eric Tkaczyk , James Walter Leblanc , Wen Li , Deborah Joy Walter , Yanfeng Du
IPC分类号： H01L25/00
CPC分类号： G01T1/2985 , G01T1/241 , G01T1/242 , G01T1/243 , G01T1/249
摘要： A computed tomography detector module is presented. The detector module includes a substrate having a topside and a bottom side. Additionally, the detector module includes a plurality of detector layers disposed on the top side of the substrate in a direction that is substantially orthogonal to the substrate, where each of the plurality of detector layers comprises a direct conversion material configured to absorb radiation, and where each of the plurality of detector layers comprises a first side and a second side. Further, the detector module includes a plurality of pixelated anode contacts is disposed on the first side of each of the plurality of detector layers. Also, the detector module includes a common cathode contact is disposed on the second side of each of the plurality of detector layers.
摘要翻译：提出了一种计算机断层扫描检测器模块。检测器模块包括具有顶侧和底侧的基板。另外，检测器模块包括多个检测器层，该多个检测器层沿基本上垂直于衬底的方向设置在衬底的顶侧上，其中多个检测器层中的每一个包括被配置为吸收辐射的直接转换材料，并且其中多个检测器层中的每一个包括第一侧和第二侧。此外，检测器模块包括多个像素化的阳极触点设置在多个检测器层中的每一个的第一侧上。此外，检测器模块包括公共阴极接触件设置在多个检测器层中的每一个的第二侧上。

5. 发明申请

US20080137803A1 DIAGNOSTIC IMAGING TWO NON K-EDGE BASIS MATERIALS PLUS N K-EDGE CONTRAST AGENTS 有权
标题翻译：诊断成像两个非K边缘基础材料
公开(公告)号：US20080137803A1
公开(公告)日：2008-06-12
申请号：US11608162
申请日：2006-12-07
申请人： Xiaoye Wu , Robert F. Senzig , Deborah Joy Walter , James W. LeBlanc , John Eric Tkaczyk
发明人： Xiaoye Wu , Robert F. Senzig , Deborah Joy Walter , James W. LeBlanc , John Eric Tkaczyk
IPC分类号： A61B6/00 , G12B13/00
CPC分类号： A61B6/4241 , A61B6/032 , A61B6/481 , A61B6/482 , A61B6/583
摘要： A diagnostic imaging system in an example comprises a high frequency electromagnetic energy source, a detector, a data acquisition system (DAS), and a computer. The high frequency electromagnetic energy source emits a beam of high frequency electromagnetic energy toward an object to be imaged and be resolved by the system. The detector receives high frequency electromagnetic energy emitted by the high frequency electromagnetic energy source. The DAS is operably connected to the detector. The computer is operably connected to the DAS and programmed to employ an inversion table or function to convert N+2 measured projections at different incident spectra into material specific integrals for N+2 materials that comprise two non K-edge basis materials and N K-edge contrast agents. N comprises an integer greater than or equal to 1.
摘要翻译：示例中的诊断成像系统包括高频电磁能源，检测器，数据采集系统（DAS）和计算机。高频电磁能源向待成像对象发射高频电磁能束，并由系统解决。检测器接收高频电磁能源发出的高频电磁能。 DAS可操作地连接到检测器。计算机可操作地连接到DAS并被编程为采用反演台或功能来将不同入射光谱下的N + 2个测量的投影转换为包含两个非K边缘基础材料的N + 2材料的材料特定积分，并且N K- 边缘造影剂。 N包括大于或等于1的整数。

6. 发明申请

US20090052621A1 METHOD AND APPARATUS FOR BASIS MATERIAL DECOMPOSITION WITH K-EDGE MATERIALS 审中-公开
标题翻译：用K-EDGE材料进行基础材料分解的方法和装置
公开(公告)号：US20090052621A1
公开(公告)日：2009-02-26
申请号：US11843700
申请日：2007-08-23
申请人： Deborah Joy Walter , Xiaoye Wu , John Eric Tkaczyk , Yanfeng Du
发明人： Deborah Joy Walter , Xiaoye Wu , John Eric Tkaczyk , Yanfeng Du
IPC分类号： G01N23/06
CPC分类号： G01N23/087 , A61B5/4869 , A61B6/032 , A61B6/4035 , A61B6/4042 , A61B6/405 , A61B6/4241 , A61B6/482 , G01N2223/423 , G01N2223/424
摘要： A diagnostic imaging system includes a high frequency electromagnetic energy source that emits a beam of high frequency electromagnetic energy toward an object to be imaged, a detector that receives high frequency electromagnetic energy emitted by the high frequency electromagnetic energy source, and a data acquisition system (DAS) operably connected to the detector. A computer is operably connected to the DAS and is programmed to generate corresponding sets of projection values for three or more energy spectra through employment of attenuation coefficients of three or more basis materials to simulate responses of the diagnostic imaging system to a plurality of lengths of the three or more basis materials wherein the three or more basis materials comprise two or more non K-edge basis materials and one or more K-edge basis materials.
摘要翻译：一种诊断成像系统包括：高频电磁能源，其向待成像对象发射高频电磁能束;接收由高频电磁能源发出的高频电磁能的检测器;以及数据采集系统（ DAS）可操作地连接到检测器。计算机可操作地连接到DAS，并被编程为通过使用三个或更多个基础材料的衰减系数来产生三个或更多个能量谱的相应的投影值组，以模拟诊断成像系统对多个长度的三种或更多种基础材料，其中三种或更多种基材包含两种或多种非K边缘基础材料和一种或多种K边缘基础材料。

7. 发明授权

US07756239B2 Diagnostic imaging two non K-edge basis materials plus N K-edge contrast agents 有权
标题翻译：诊断成像两个非K边缘基础材料加N K边缘造影剂
公开(公告)号：US07756239B2
公开(公告)日：2010-07-13
申请号：US11608162
申请日：2006-12-07
申请人： Xiaoye Wu , Robert F. Senzig , Deborah Joy Walter , James W. LeBlanc , John Eric Tkaczyk
发明人： Xiaoye Wu , Robert F. Senzig , Deborah Joy Walter , James W. LeBlanc , John Eric Tkaczyk
IPC分类号： A61B6/00
CPC分类号： A61B6/4241 , A61B6/032 , A61B6/481 , A61B6/482 , A61B6/583
摘要： A diagnostic imaging system in an example comprises a high frequency electromagnetic energy source, a detector, a data acquisition system (DAS), and a computer. The high frequency electromagnetic energy source emits a beam of high frequency electromagnetic energy toward an object to be imaged and be resolved by the system. The detector receives high frequency electromagnetic energy emitted by the high frequency electromagnetic energy source. The DAS is operably connected to the detector. The computer is operably connected to the DAS and programmed to employ an inversion table or function to convert N+2 measured projections at different incident spectra into material specific integrals for N+2 materials that comprise two non K-edge basis materials and N K-edge contrast agents. N comprises an integer greater than or equal to 1.
摘要翻译：示例中的诊断成像系统包括高频电磁能源，检测器，数据采集系统（DAS）和计算机。高频电磁能源向待成像对象发射高频电磁能束，并由系统解决。检测器接收高频电磁能源发出的高频电磁能。 DAS可操作地连接到检测器。计算机可操作地连接到DAS并被编程为采用反演台或功能来将不同入射光谱下的N + 2个测量的投影转换为包含两个非K边缘基础材料的N + 2材料的材料特定积分，并且N K- 边缘造影剂。 N包括大于或等于1的整数。

8. 发明授权

US07697657B2 System and method of density and effective atomic number imaging 失效
标题翻译：密度和有效原子序数成像的系统和方法
公开(公告)号：US07697657B2
公开(公告)日：2010-04-13
申请号：US11690245
申请日：2007-03-23
申请人： Deborah Joy Walter , Xiaoye Wu , John Eric Tkaczyk , Yanfeng Du
发明人： Deborah Joy Walter , Xiaoye Wu , John Eric Tkaczyk , Yanfeng Du
IPC分类号： A61B6/00
CPC分类号： A61B6/505 , A61B6/032 , A61B6/4241 , A61B6/481 , A61B6/583
摘要： A system and method of density and effective atomic number imaging include a computer programmed to acquire projection data from the detector of an unknown material at the time of projection data acquisition. The computer is also programmed to generate a density image for the unknown material based on a calibration of two or more known basis materials and to generate an effective atomic number (Z) for the unknown material based on the calibration of two or more known basis materials and based on a function arctan of a ratio of atomic numbers of the two or more known basis materials. The density and effective atomic number images are stored to a computer readable storage medium.
摘要翻译：密度和有效原子序数成像的系统和方法包括被编程为在投影数据采集时从未知材料的检测器获取投影数据的计算机。计算机还被编程为基于两种或多种已知基础材料的校准产生未知材料的密度图像，并且基于两种或更多种已知基础材料的校准来产生未知材料的有效原子序数（Z）并且基于两种或多种已知基础材料的原子序数比的函数关系。密度和有效原子序数图像被存储到计算机可读存储介质中。

9. 发明申请

US20080273666A1 SYSTEM AND METHOD OF DENSITY AND EFFECTIVE ATOMIC NUMBER IMAGING 失效
标题翻译：密度和有效原子数成像系统与方法
公开(公告)号：US20080273666A1
公开(公告)日：2008-11-06
申请号：US11690245
申请日：2007-03-23
申请人： Deborah Joy Walter , Xiaoye Wu , John Eric Tkaczyk , Yanfeng Du
发明人： Deborah Joy Walter , Xiaoye Wu , John Eric Tkaczyk , Yanfeng Du
IPC分类号： H05G1/26
CPC分类号： A61B6/505 , A61B6/032 , A61B6/4241 , A61B6/481 , A61B6/583
摘要： A system and method of density and effective atomic number imaging include a computer programmed to acquire projection data from the detector of an unknown material at the time of projection data acquisition. The computer is also programmed to generate a density image for the unknown material based on a calibration of two or more known basis materials and to generate an effective atomic number (Z) for the unknown material based on the calibration of two or more known basis materials and based on a function arctan of a ratio of atomic numbers of the two or more known basis materials. The density and effective atomic number images are stored to a computer readable storage medium.
摘要翻译：密度和有效原子序数成像的系统和方法包括被编程为在投影数据采集时从未知材料的检测器获取投影数据的计算机。计算机还被编程为基于两种或多种已知基础材料的校准产生未知材料的密度图像，并且基于两种或更多种已知基础材料的校准来产生未知材料的有效原子序数（Z）并且基于两种或多种已知基础材料的原子序数比的函数关系。密度和有效原子序数图像被存储到计算机可读存储介质中。

10. 发明授权

US07609807B2 CT-Guided system and method for analyzing regions of interest for contraband detection 有权
标题翻译：用于分析违禁品检测感兴趣区域的CT引导系统和方法
公开(公告)号：US07609807B2
公开(公告)日：2009-10-27
申请号：US10779084
申请日：2004-02-17
申请人： William Macomber Leue , Deborah Joy Walter
发明人： William Macomber Leue , Deborah Joy Walter
IPC分类号： G01N23/04
CPC分类号： G01V5/0016 , G01V5/005
摘要： A system and method for ascertaining the identity of an object within an enclosed article. The system includes an acquisition subsystem with a computed tomography machine and an alternate modality subsystem. The alternate modality subsystem includes a detector mounted to a rotatable gantry. The detector may be a quadrupole resonance unit, a dual energy x-ray unit, or a backscatter x-ray unit. The acquisition subsystem analyzes an article and distinguishes regions of interest (may contain contraband) from regions of no interest (do not contain contraband). The article is then transported to the alternate modality subsystem at which the detector further analyzes just the regions of interest.
摘要翻译：用于确定封闭物品内物体的身份的系统和方法。该系统包括具有计算机断层摄影机和备选模态子系统的采集子系统。替代模态子系统包括安装到可旋转机架的检测器。检测器可以是四极共振单元，双能X射线单元或后向散射X射线单元。收购子系统分析一篇文章，并将不感兴趣的区域（不含违禁品）区分出利益区域（可能包含违禁品）。然后将物品运送到交替模式子系统，在该子系统处，检测器进一步分析感兴趣的区域。

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