专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

61. 发明申请

US20090304249A1 MATERIAL COMPOSITION DETECTION FROM EFFECTIVE ATOMIC NUMBER COMPUTATION 有权
标题翻译：材料成分检测从有效的原子数计算
公开(公告)号：US20090304249A1
公开(公告)日：2009-12-10
申请号：US12134890
申请日：2008-06-06
申请人： Xiaoye Wu
发明人： Xiaoye Wu
IPC分类号： G06K9/00
CPC分类号： A61B6/405 , A61B6/032 , A61B6/4035 , A61B6/4241 , A61B6/482 , G01N23/083
摘要： A technique is provided for computing an atomic number of materials forming an object imaged by a radiological modality. The method includes accessing a first monochromatic image and a second monochromatic image of the object, the first monochromatic image acquired at a first energy level and the second monochromatic image acquired at a second energy level. A ratio of the mass attenuation coefficients between the first monochromatic image and the second monochromatic image may be obtained. The atomic number for a material of the object may be computed based upon the ratio of mass attenuation coefficients.
摘要翻译：提供了一种用于计算形成通过放射学模态成像的物体的材料的原子数的技术。该方法包括访问对象的第一单色图像和第二单色图像，以第一能级获取的第一单色图像和以第二能级获取的第二单色图像。可以获得第一单色图像和第二单色图像之间的质量衰减系数的比率。可以基于质量衰减系数的比率来计算物体的材料的原子序数。

62. 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。

63. 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。

64. 发明授权

US07466793B2 Distinct incident energy spectra detection 有权
标题翻译：独特的入射能谱检测
公开(公告)号：US07466793B2
公开(公告)日：2008-12-16
申请号：US11553411
申请日：2006-10-26
申请人： Xiaoye Wu , James W. LeBlanc , Samit Kumar Basu
发明人： Xiaoye Wu , James W. LeBlanc , Samit Kumar Basu
IPC分类号： G01N23/00
CPC分类号： A61B6/405 , A61B6/032 , A61B6/4241 , A61B6/482 , A61B6/5235 , G01T1/2985
摘要： A CT system in an example comprises one or more high frequency electromagnetic energy sources, a detection assembly, a data acquisition system (DAS), and a computer. The one or more high frequency electromagnetic energy sources emit one or more beams of high frequency electromagnetic energy toward an object to be imaged. The detection assembly is capable of measuring a plurality of projection data at a same projection path that corresponds to a plurality of distinct incident energy spectra. The detection assembly comprises one or more energy discriminating (ED) detectors and/or one or more energy integration (EI) detectors that receive high frequency electromagnetic energy emitted by the one or more high frequency electromagnetic energy sources. The data acquisition system (DAS) is operably connected to the one or more ED detectors and/or the one or more EI detectors. The computer is operably connected to the DAS.
摘要翻译：示例中的CT系统包括一个或多个高频电磁能源，检测组件，数据采集系统（DAS）和计算机。一个或多个高频电磁能源朝向要成像的物体发射一个或多个高频电磁能量束。检测组件能够在对应于多个不同入射能谱的相同投影路径上测量多个投影数据。检测组件包括一个或多个能量识别（ED）检测器和/或接收由一个或多个高频电磁能源发射的高频电磁能的一个或多个能量积分（EI）检测器。数据采集系统（DAS）可操作地连接到一个或多个ED检测器和/或一个或多个EI检测器。计算机可操作地连接到DAS。

65. 发明授权

US07308073B2 X-ray filter having dynamically displaceable x-ray attenuating fluid 失效
标题翻译： X射线滤光片具有动态位移的x射线衰减流体
公开(公告)号：US07308073B2
公开(公告)日：2007-12-11
申请号：US11163496
申请日：2005-10-20
申请人： J. Eric Tkaczyk , Deborah J. Walter , Xiaoye Wu , Brian C. Bales , James W. Leblanc , Yanfeng Du
发明人： J. Eric Tkaczyk , Deborah J. Walter , Xiaoye Wu , Brian C. Bales , James W. Leblanc , Yanfeng Du
IPC分类号： G21K3/00
CPC分类号： G21K1/10
摘要： A bowtie filter is constructed to have a fluidic envelope filled with attenuating fluid and a displacement insert that can present various x-ray attenuation profiles during a scan. The insert is designed to displace the attenuating fluid to achieve a denied attenuating or filtering profile. The insert can be rotated, twisted, moved, and otherwise contorted within the fluidic envelope as needed during the course of a scan. As the angle, position and shape of the zombie is changed, the x-ray profile of the filter changes. The insert may have a default shape when at rest, but can have its shape changed when external forces are placed thereon. As x-ray filtering needs change during the course of the scan, the insert can be compressed, stretched, and/or contorted to achieve additional filtering profiles.
摘要翻译：弓形过滤器被构造成具有填充有衰减流体的流体信封和可在扫描期间呈现各种x射线衰减分布的位移插入件。插入件被设计成使衰减流体移位以实现被拒绝的衰减或过滤轮廓。在扫描过程中，插入物可以根据需要旋转，扭转，移动，并且在流体封套内扭曲。随着僵尸的角度，位置和形状的改变，过滤器的X射线轮廓也会改变。当静止时，插入件可以具有默认形状，但是当外力在其上放置时，其形状可以改变。由于X射线过滤在扫描过程中需要更改，所以插入物可以被压缩，拉伸和/或扭转以实现额外的过滤轮廓。

66. 发明授权

US07298812B2 Image-based material decomposition 有权
标题翻译：基于图像的材料分解
公开(公告)号：US07298812B2
公开(公告)日：2007-11-20
申请号：US11278287
申请日：2006-03-31
申请人： J. Eric Tkaczyk , William Macomber Leue , Walter Irving Garms , Joseph Bendahan , Deborah Walter , Sussan Pourjavid-Granfors , Xiaoye Wu , Peter Michael Edic , Pierfrancesco Landolfi
发明人： J. Eric Tkaczyk , William Macomber Leue , Walter Irving Garms , Joseph Bendahan , Deborah Walter , Sussan Pourjavid-Granfors , Xiaoye Wu , Peter Michael Edic , Pierfrancesco Landolfi
IPC分类号： G01N23/00
CPC分类号： A61B6/405 , A61B6/027 , A61B6/032 , A61B6/4035 , A61B6/4241 , A61B6/482 , G01V5/0041 , G01V5/005 , G06T11/005
摘要： A CT scanner acquires CT images at different energy levels and registers those images to provide a composite image that is substantially free of beam hardening artifacts and conspicuously provides atomic information of that imaged.
摘要翻译： CT扫描仪以不同的能量级别获取CT图像并登记这些图像以提供基本上没有光束硬化假象的合成图像，并且显着地提供该成像的原子信息。

67. 发明申请

US20070206721A1 PHOTON COUNTING X-RAY DETECTOR WITH OVERRANGE LOGIC CONTROL 有权
标题翻译：具超声逻辑控制的光电计数X射线探测器
公开(公告)号：US20070206721A1
公开(公告)日：2007-09-06
申请号：US11744292
申请日：2007-05-04
申请人： John Tkaczyk , Jonathan Short , James Rose , Xiaoye Wu , Samit Basu
发明人： John Tkaczyk , Jonathan Short , James Rose , Xiaoye Wu , Samit Basu
IPC分类号： G01N23/083
CPC分类号： A61B6/5205 , A61B6/032 , A61B6/4291 , G01T1/2018 , G01T1/242 , G01T1/243 , G01T1/249
摘要： A CT detector includes a first detector configured to convert radiographic energy to electrical signals representative of energy sensitive radiographic data and a second detector configured to convert radiographic energy to electrical signals representative of energy sensitive radiographic data and positioned to receive x-rays that pass through the first detector. A logic controller is electrically connected to the first detector and the second detector and is configured to receive a logic output signal from the second detector indicative of an amount of a saturation level of the first detector, compare the logic output signal to a threshold value, and output, based on the comparison, electrical signals from the first detector, the second detector, or a combination thereof to an image chain.
摘要翻译： CT检测器包括：第一检测器，其被配置为将射线照相能量转换成表示能量敏感射线照相数据的电信号;以及第二检测器，被配置为将放射线照相能量转换成表示能量敏感射线照相数据的电信号，并被定位成接收穿过第一检测器逻辑控制器电连接到第一检测器和第二检测器，并且被配置为从第二检测器接收指示第一检测器的饱和电平的量的逻辑输出信号，将逻辑输出信号与阈值进行比较，并且基于比较将来自第一检测器，第二检测器或其组合的电信号输出到图像链。

68. 发明授权

US07260172B2 Method and system of CT data correction 有权
标题翻译： CT数据校正方法与系统
公开(公告)号：US07260172B2
公开(公告)日：2007-08-21
申请号：US11627072
申请日：2007-01-25
申请人： Jerome Stephen Arenson , Evgeny Drapkin , Yanfeng Du , Lev Greenberg , Oded Meirav , David Ruimi , John Eric Tkaczyk , Xiaoye Wu
发明人： Jerome Stephen Arenson , Evgeny Drapkin , Yanfeng Du , Lev Greenberg , Oded Meirav , David Ruimi , John Eric Tkaczyk , Xiaoye Wu
IPC分类号： G01N23/083
CPC分类号： G01T1/1644 , A61B6/027 , A61B6/032 , A61B6/4241 , A61B6/482 , A61B6/583 , G01T1/1647 , G06T5/002 , G06T5/20 , G06T2207/10081 , G06T2207/30004 , G06T2207/30112 , Y10S378/901
摘要： An adaptive CT data acquisition system and technique is presented whereby radiation emitted for CT data acquisition is dynamically controlled to limit exposure to those detectors of a CT detector assembly that may be particularly susceptible to saturation during a given data acquisition. The data acquisition technique recognizes that for a given subject size and position that pre-subject filtering and collimating of a radiation beam may be insufficient to completely prevent detector saturation. Therefore, the present invention includes implementation of a number of CT data correction techniques for correcting otherwise unusable data of a saturated CT detector. These data correction techniques include a nearest neighbor correction, off-centered phantom correction, off-centered synthetic data correction, scout data correction, planar radiogram correction, and a number of others. The invention is applicable with energy discriminating CT systems as well as with conventional CT systems and other multi-energy CT systems, such as dual kVp-based systems.
摘要翻译：提出了一种自适应CT数据采集系统和技术，其中动态地控制用于CT数据采集的辐射，以限制在给定数据采集期间可能特别容易饱和的CT检测器组件的那些检测器的暴露。数据采集技术认识到，对于给定的主体大小和位置，预辐射滤波和辐射束的准直可能不足以完全防止检测器饱和。因此，本发明包括实现用于校正饱和CT检测器的其他不可用数据的多个CT数据校正技术。这些数据校正技术包括最近邻校正，偏心幻像校正，偏心合成数据校正，侦察数据校正，平面放射线图校正以及其他数目。本发明适用于能量识别CT系统以及常规CT系统和其他多能CT系统，例如基于双kVp的系统。

69. 发明申请

US20070147580A1 Methods and apparatus for CT calibration 有权
标题翻译： CT校准方法和装置
公开(公告)号：US20070147580A1
公开(公告)日：2007-06-28
申请号：US11315938
申请日：2005-12-22
申请人： Xiaoye Wu , Paavana Sainath , Ferry Tamtoro , Jean-Baptiste Thibault , Roy-Arnulf Nilsen
发明人： Xiaoye Wu , Paavana Sainath , Ferry Tamtoro , Jean-Baptiste Thibault , Roy-Arnulf Nilsen
IPC分类号： A61B6/00 , H05G1/60 , G01N23/00 , G21K1/12
CPC分类号： A61B6/583 , A61B6/027 , A61B6/032 , G01N2223/3035 , Y10S378/901
摘要： A method for normalizing a calibration of a computed tomographic (CT) imaging apparatus having a plurality of detector rows includes utilizing a prestored, predetermined inversion matrix and CT numbers obtained from images of a phantom to determine normalized calibration vectors for each row of a plurality of detector rows, and storing the determined normalized calibration vectors for each row of the plurality of detector rows in a memory for use in subsequent image reconstructions.
摘要翻译：用于对具有多个检测器行的计算机断层摄影（CT）成像设备进行校准的归一化方法包括利用预先存储的预定反演矩阵和从体模图像获得的CT数来确定多个检测器行，并且将所确定的多个检测器行中的每行的归一化校准向量存储在存储器中，以用于随后的图像重建。

70. 发明申请

US20070092066A1 X-RAY FILTER HAVING DYNAMICALLY DISPLACEABLE X-RAY ATTENUATING FLUID 失效
标题翻译：具有动态位移X射线衰减流体的X射线滤镜
公开(公告)号：US20070092066A1
公开(公告)日：2007-04-26
申请号：US11163496
申请日：2005-10-20
申请人： J. Tkaczyk , Deborah Walter , Xiaoye Wu , Brian Bales , James Leblanc , Yanfeng Du
发明人： J. Tkaczyk , Deborah Walter , Xiaoye Wu , Brian Bales , James Leblanc , Yanfeng Du
IPC分类号： G21K3/00
CPC分类号： G21K1/10
摘要： A bowtie filter is constructed to have a fluidic envelope filled with attenuating fluid and a displacement insert that can present various x-ray attenuation profiles during a scan. The insert is designed to displace the attenuating fluid to achieve a denied attenuating or filtering profile. The insert can be rotated, twisted, moved, and otherwise contorted within the fluidic envelope as needed during the course of a scan. As the angle, position and shape of the zombie is changed, the x-ray profile of the filter changes. The insert may have a default shape when at rest, but can have its shape changed when external forces are placed thereon. As x-ray filtering needs change during the course of the scan, the insert can be compressed, stretched, and/or contorted to achieve additional filtering profiles.
摘要翻译：弓形过滤器被构造成具有填充有衰减流体的流体信封和可在扫描期间呈现各种x射线衰减分布的位移插入件。插入件被设计成使衰减流体移位以实现被拒绝的衰减或过滤轮廓。在扫描过程中，插入物可以根据需要旋转，扭转，移动，并且在流体封套内扭曲。随着僵尸的角度，位置和形状的改变，过滤器的X射线轮廓也会改变。当静止时，插入件可以具有默认形状，但是当外力在其上放置时，其形状可以改变。由于X射线过滤在扫描过程中需要更改，所以插入物可以被压缩，拉伸和/或扭转以实现额外的过滤轮廓。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式