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1.发明申请公开(公告)号：US20080137803A1
公开(公告)日：2008-06-12
申请号：US11608162
申请日：2006-12-07
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。
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2.发明授权Diagnostic imaging two non K-edge basis materials plus N K-edge contrast agents 有权诊断成像两个非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
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。
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3.发明申请METHOD AND APPARATUS FOR BASIS MATERIAL DECOMPOSITION WITH K-EDGE MATERIALS 审中-公开用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。
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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。
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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。
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公开(公告)号：US07634060B2
公开(公告)日：2009-12-15
申请号：US11745856
申请日：2007-05-08
IPC分类号： G01T1/24
CPC分类号： G01T1/2928 , A61B6/032 , A61B6/4241 , A61B6/5205
摘要： A CT detector capable of energy discrimination and direct conversion is disclosed. The detector includes multiple layers of semiconductor material with the layers having varying thicknesses. The detector is constructed to be segmented in the x-ray penetration direction so as to optimize count rate performance as well as avoid saturation. The detector also includes variable pixel pitch and a flexible binning of pixels to further enhance count rate performance.
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7.发明授权Direct conversion energy discriminating CT detector with over-ranging correction 有权直接转换能量鉴别CT检测器具有超范围校正公开(公告)号：US07570736B2
公开(公告)日：2009-08-04
申请号：US11768775
申请日：2007-06-26
IPC分类号： A61B6/03
CPC分类号： G01T1/2928 , A61B6/032 , A61B6/4241 , A61B6/5205
摘要： A CT detector capable of energy discrimination and direct conversion is disclosed. The detector includes multiple layers of semiconductor material with the layers having varying thicknesses. The detector is constructed to be segmented in the x-ray penetration direction so as to optimize count rate performance as well as avoid saturation. The detector also includes variable pixel pitch and a flexible binning of pixels to further enhance count rate performance.
摘要翻译： 公开了能够鉴别和直接转换的CT检测器。 检测器包括多层半导体材料，其中层具有变化的厚度。 检测器被构造成在x射线穿透方向上分段，以便优化计数率性能以及避免饱和。 检测器还包括可变像素间距和灵活的像素分组，以进一步提高计数率性能。
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8.发明授权Direct conversion energy discriminating CT detector with over-ranging correction 失效直接转换能量鉴别CT检测器具有超范围校正公开(公告)号：US07697659B2
公开(公告)日：2010-04-13
申请号：US12194072
申请日：2008-08-19
IPC分类号： A61B6/03
CPC分类号： G01T1/2928 , A61B6/032 , A61B6/4241 , A61B6/5205
摘要： A CT detector capable of energy discrimination and direct conversion is disclosed. The detector includes multiple layers of semiconductor material with the layers having varying thicknesses. The detector is constructed to be segmented in the x-ray penetration direction so as to optimize count rate performance as well as avoid saturation. The detector also includes variable pixel pitch and a flexible binning of pixels to further enhance count rate performance.
摘要翻译： 公开了能够鉴别和直接转换的CT检测器。 检测器包括多层半导体材料，其中层具有变化的厚度。 检测器被构造成在x射线穿透方向上分段，以便优化计数率性能以及避免饱和。 检测器还包括可变像素间距和灵活的像素分组，以进一步提高计数率性能。
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9.发明授权公开(公告)号：US07724865B2
公开(公告)日：2010-05-25
申请号：US11843031
申请日：2007-08-22
申请人： Xiaoye Wu , John Eric Tkaczyk , James W. LeBlanc
发明人： Xiaoye Wu , John Eric Tkaczyk , James W. LeBlanc
IPC分类号： A61B6/00
CPC分类号： A61B6/4035 , A61B6/032 , A61B6/4233 , A61B6/4241 , A61B6/4411 , A61B6/469 , A61B6/482 , A61B6/505 , A61B6/5205 , A61B6/5235 , G01T1/249 , G06T5/002 , G06T5/50 , G06T11/008 , G06T2207/10081 , G06T2207/20216 , G06T2207/30004 , G06T2207/30112 , H01L27/14676
摘要： A system and method of 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 attenuated by the object, a data acquisition system (DAS) operably connected to the detector, and a computer operably connected to the DAS. The computer is programmed to obtain CT scan data with two or more incident energy spectra, decompose the obtained CT scan data into projection CT data of two or more basis materials, reconstruct linearly weighted projections of the two or more basis materials, determine an optimized energy for the two or more basis materials within a region-of-interest (ROI), and form a monochromatic image of the projection CT data at the optimized energy using the two or more basis material projections.
摘要翻译： 诊断成像系统的系统和方法包括：高频电磁能源，其向待成像对象发射高频电磁能束;检测器，其接收高频电磁能源发射的高频电磁能量，并衰减 通过该目的，可操作地连接到检测器的数据采集系统（DAS）和可操作地连接到DAS的计算机。 计算机被编程以获得具有两个或更多个入射能谱的CT扫描数据，将获得的CT扫描数据分解成两个或更多个基础材料的投影CT数据，重建两个或多个基础材料的线性加权投影，确定优化的能量 对于感兴趣区域（ROI）中的两个或更多个基础材料，并且使用两个或更多个基础材料投影在优化的能量下形成投影CT数据的单色图像。
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10.发明申请SYSTEM AND METHOD OF OPTIMIZING A MONOCHROMATIC REPRESENTATION OF BASIS MATERIAL DECOMPOSED CT IMAGES 失效优化基础材料分解CT图像的单色表示的系统和方法公开(公告)号：US20090052612A1
公开(公告)日：2009-02-26
申请号：US11843031
申请日：2007-08-22
申请人： Xiaoye Wu , John Eric Tkaczyk , James W. LeBlanc
发明人： Xiaoye Wu , John Eric Tkaczyk , James W. LeBlanc
IPC分类号： A61B6/00
CPC分类号： A61B6/4035 , A61B6/032 , A61B6/4233 , A61B6/4241 , A61B6/4411 , A61B6/469 , A61B6/482 , A61B6/505 , A61B6/5205 , A61B6/5235 , G01T1/249 , G06T5/002 , G06T5/50 , G06T11/008 , G06T2207/10081 , G06T2207/20216 , G06T2207/30004 , G06T2207/30112 , H01L27/14676
摘要： A system and method of 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 attenuated by the object, a data acquisition system (DAS) operably connected to the detector, and a computer operably connected to the DAS. The computer is programmed to obtain CT scan data with two or more incident energy spectra, decompose the obtained CT scan data into projection CT data of two or more basis materials, reconstruct linearly weighted projections of the two or more basis materials, determine an optimized energy for the two or more basis materials within a region-of-interest (ROI), and form a monochromatic image of the projection CT data at the optimized energy using the two or more basis material projections.
摘要翻译： 诊断成像系统的系统和方法包括：高频电磁能源，其向待成像对象发射高频电磁能束;检测器，其接收高频电磁能源发射的高频电磁能量，并衰减 通过该目的，可操作地连接到检测器的数据采集系统（DAS）和可操作地连接到DAS的计算机。 计算机被编程以获得具有两个或更多个入射能谱的CT扫描数据，将获得的CT扫描数据分解成两个或更多个基础材料的投影CT数据，重建两个或多个基础材料的线性加权投影，确定优化的能量 对于感兴趣区域（ROI）中的两个或更多个基础材料，并且使用两个或更多个基础材料投影在优化的能量下形成投影CT数据的单色图像。
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