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公开(公告)号：US20200222024A1
公开(公告)日：2020-07-16
申请号：US16245938
申请日：2019-01-11
Applicant: General Electric Company
Inventor： Peter Michael Edic , Biju Jacob
IPC: A61B6/00 , G01N23/046 , A61B6/03
Abstract: The present disclosure relates to determining the position of an X-ray focal spot in real time during an imaging process and using the focal spot position to ensure alignment of the focal spot and high-aspect detector elements or to correct for focal spot misalignment, thereby mitigating image artifacts. For example, the focal spot position may be monitored and may be adjusted in real-time using electromagnetic electron beam steering during a scan. Alternatively, previously determined functional relationships between focal spot position and measured data may be applied to address or correct for focal spot misalignment in the acquired data.
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12.发明授权公开(公告)号：US10595803B2
公开(公告)日：2020-03-24
申请号：US15263565
申请日：2016-09-13
Applicant: General Electric Company
Inventor： Xue Rui , Mingye Wu , Yannan Jin , Peter Michael Edic , Bruno Kristiaan Bernard De Man
Abstract: A signal processing method is disclosed, which includes detecting a total intensity of X-rays passing through an object comprising multiple materials; obtaining at least one set of basis information of basis material information of the multiple materials and basis component information of photon-electric absorption basis component and Compton scattering basis component of the object; estimating a scatter intensity component of the detected X-rays based on the at least one set of basis information and the detected total intensity; and obtaining an intensity estimate of primary X-rays incident on a detector based on the detected total intensity and the estimated scatter intensity component. An imaging system adopting the above signal processing method is also disclosed.
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公开(公告)号：US10222489B2
公开(公告)日：2019-03-05
申请号：US15457558
申请日：2017-03-13
Applicant: General Electric Company
Inventor： Geng Fu , Xue Rui , Yannan Jin , Jianjun Guo , Peter Michael Edic , Brian David Yanoff
Abstract: The present approach relates to the use of reference pixels provided between the primary pixels of a detector panel. Coincidence circuitry or logic may be employed so that the measured signal arising from the same X-ray event may be properly, that is the signal measured at both a reference and primary pixel may be combined so as to provide an accurate estimate of the measured signal, at an appropriate location on the detector panel.
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14.发明申请公开(公告)号：US20190001002A1
公开(公告)日：2019-01-03
申请号：US16026854
申请日：2018-07-03
Inventor： Paul Francis Fitzgerald , Michael Ernest Marino , Peter Michael Edic , Daniel Eugene Meyer , Peter J. Bonitatibus, JR. , Robert Edgar Colborn , Benjamin Ming-Yueh Yeh
IPC: A61K49/04
Abstract: Design and use of an administered drug in the form of a nanoparticle or molecule is described. In certain examples, the nanoparticle has a core and a shell surrounding the core. The core may be configured or designed to provide useful X-ray attenuating properties, gamma ray emission properties, magnetic properties, or therapeutic effects. In certain aspects, the nanoparticle or molecule is sized so as to either distribute from or remain in the blood pool, while still being eliminated by the kidneys.
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公开(公告)号：US10117626B2
公开(公告)日：2018-11-06
申请号：US14868826
申请日：2015-09-29
Applicant: General Electric Company
Inventor： Geng Fu , Peter Michael Edic , Brian David Yanoff , Jianjun Guo , Vladimir A. Lobastov , Yannan Jin
Abstract: Some embodiments are associated with an input signal comprising a first and a second photon event incident on a photon-counting semiconductor detector. A relatively slow charge collection shaping amplifier may receive the input signal and output an indication of a total amount of energy associated with the superposition of the first and second events. A relatively fast charge collection shaping amplifier may receive the input signal and output an indication that is used to allocate a first portion of the total amount of energy to the first event and a second portion of the total amount of energy to the second event.
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Patent Agency Ranking
公开(公告)号：US20160242712A1
公开(公告)日：2016-08-25
申请号：US15044787
申请日：2016-02-16
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Yannan Jin , Bruno Kristiaan Bernard De Man , Peter Michael Edic , Paul Francis Fitzgerald , Xue Rui , Yangyang Yao , Zhye Yin , Uwe Wiedmann
CPC classification number: A61B6/405 , A61B6/032 , A61B6/4233 , A61B6/488 , A61B6/5205 , A61B6/542
Abstract: An imaging method includes executing a low-dose preparatory scan to an object by applying tube voltages and tube currents in an x-ray source, and generating a first image of the object corresponding to the low-dose preparatory scan. The method further includes generating image quality estimates and dose estimates view by view at least based on the first image. The method includes optimizing the tube voltages and the tube currents to generate optimal profiles for the tube voltage and the tube current. At least one of the optimal profiles for the tube voltage and the tube current is generated based on the image quality estimates and the dose estimates. The method includes executing an acquisition scan by applying the tube voltages and the tube currents based on the optimal profiles and generating a second image of the object corresponding to the acquisition scan. An imaging system is also provided.
Abstract translation: 成像方法包括通过在x射线源中施加管电压和管电流来对对象执行低剂量预备扫描，以及生成对应于低剂量预备扫描的对象的第一图像。 该方法还包括至少基于第一图像通过视图生成图像质量估计和剂量估计视图。 该方法包括优化管电压和管电流以产生管电压和管电流的最佳轮廓。 基于图像质量估计和剂量估计，产生管电压和管电流的最佳曲线中的至少一个。 该方法包括通过基于最佳轮廓施加管电压和管电流来执行采集扫描，并且生成对应于采集扫描的对象的第二图像。 还提供了一种成像系统。
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公开(公告)号：US09320481B2
公开(公告)日：2016-04-26
申请号：US14230774
申请日：2014-03-31
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Vance Scott Robinson , Ertugrul Berkcan , Peter Michael Edic , Sergiy Zalyubovsky , Marco Francesco Aimi , Yizhen Lin , Yannan Jin , Robert Franklin Senzig
CPC classification number: A61B6/4035 , A61B6/032 , A61B6/035 , A61B6/482 , G21K1/10
Abstract: X-ray imaging systems are provided that include an X-ray source and an X-ray detector. A filtering device is positioned between the X-ray source and the X-ray detector and includes one or more micro-filters each adapted to transition between an X-ray filtering position and an X-ray non-filtering position. A controller is programmed to control operation of the micro-filters.
Abstract translation: 提供包括X射线源和X射线检测器的X射线成像系统。 过滤装置位于X射线源和X射线检测器之间，并且包括一个或多个微滤器，每个微滤器适于在X射线滤波位置和X射线非滤波位置之间转换。 控制器被编程以控制微滤器的操作。
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18.发明授权Systems and methods for correcting detector errors in computed tomography imaging 有权用于校正计算机断层摄影成像中检测器误差的系统和方法公开(公告)号：US09220469B2
公开(公告)日：2015-12-29
申请号：US14145018
申请日：2013-12-31
Applicant: General Electric Company
Inventor： Yannan Jin , Peter Michael Edic , Vladimir A. Lobastov , Hewei Gao , Geng Fu
CPC classification number: A61B6/4241 , A61B6/032 , A61B6/482 , G01T1/171
Abstract: A system includes an energy-discriminating, photon-counting X-ray detector, comprising a plurality of detector cells adapted to produce projection data in response to X-ray photons and to produce an electrical signal having a recorded count for the energy bins and a total energy intensity. The system also includes data processing circuitry adapted to receive the electrical signal, to generate a simulated count rate for each of the energy bins by using the total energy intensity, to determine a set of energy intensity dependent material decomposition vectors, and, for the measured projection data, to perform material decomposition.
Abstract translation: 一种系统包括能量鉴别光子计数X射线检测器，其包括多个检测器单元，其适于响应于X射线光子产生投影数据并产生具有针对能量仓的记录计数的电信号，以及 总能量强度。 该系统还包括适于接收电信号的数据处理电路，通过使用总能量强度来产生每个能量箱的模拟计数率，以确定一组依赖于能量强度的材料分解向量，并且对于所测量的 投影数据，进行物质分解。
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19.发明申请SYSTEMS AND METHODS FOR INCREASED ENERGY SEPARATION IN MULTI-ENERGY X-RAY IMAGING 有权在多能量X射线成像中增加能量分离的系统和方法公开(公告)号：US20150182179A1
公开(公告)日：2015-07-02
申请号：US14145445
申请日：2013-12-31
Applicant: General Electric Company
Inventor： Peter Michael Edic , James Walter LeBlanc , Vance Scott Robinson
CPC classification number: A61B6/482 , A61B6/035 , A61B6/4021 , A61B6/4035 , A61B6/4042 , A61B6/4291 , A61B6/587
Abstract: A multi-energy X-ray imaging system includes an X-ray source and an X-ray detector. A filtering device includes an X-ray translucent substrate having a plurality of septa disposed therein at a plurality of fixed positions with respect to the substrate. A controller is programmed to acquire a first set of projection data at a first energy spectrum by controlling the X-ray source to emit the X-rays at the first energy spectrum and controlling the position of the filtering device to focally align the plurality of septa with the X-ray beam emitted from the focal spot, and to acquire a second set of projection data at a second energy spectrum with a mean energy greater than the mean energy of the first energy spectrum by controlling the X-ray source to emit the X-rays at the second energy spectrum and controlling a change in the position of the filtering device to focally misalign the plurality of septa with the X-ray beam emitted from the focal spot.
Abstract translation: 多能量X射线成像系统包括X射线源和X射线检测器。 过滤装置包括X射线透光性基板，其具有相对于基板在多个固定位置配置的多个隔片。 控制器被编程为通过控制X射线源以第一能谱发射X射线来获取第一能谱上的第一组投影数据，并且控制过滤装置的位置以使多个隔片 利用从焦点发射的X射线束，并且通过控制X射线源发射第二能量谱的平均能量大于第一能谱的平均能量，以第二能量谱获取第二组投影数据 在第二能谱处的X射线，并且控制过滤装置的位置的变化，以使从多个隔膜与从焦斑发射的X射线束对准不对准。
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公开(公告)号：US10779778B2
公开(公告)日：2020-09-22
申请号：US15589412
申请日：2017-05-08
Applicant: General Electric Company
Inventor： Xue Rui , Geng Fu , Yannan Jin , Jianjun Guo , Peter Michael Edic , Brian David Yanoff
Abstract: The present approach relates to the use of detector elements (i.e., reference detector pixels) positioned under septa of an anti-scatter collimator. Signals detected by the reference detector pixels may be used to correct for charging-sharing events with adjacent pixels and/or to characterize or correct for focal spot misalignment either in real time or as a calibration step.
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