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公开(公告)号：US20180259657A1
公开(公告)日：2018-09-13
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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公开(公告)号：US20170212253A1
公开(公告)日：2017-07-27
申请号：US15004127
申请日：2016-01-22
Applicant: General Electric Company
Inventor： Geng Fu , Peter Michael Edic , Brian David Yanoff , Jianjun Guo , Xin Wang , Bruno Kristiaan Bernard De Man , Xue Rui , Yannan Jin
IPC: G01T1/24 , G01T1/20 , A61B6/03 , H01L27/146
CPC classification number: G01T1/247 , A61B6/032 , A61B6/4233 , A61B6/4241 , A61B6/4291 , G01T1/17 , G01T1/2018 , H01L27/14658
Abstract: A detector panel is described having readout circuitry integrated with the photodetectors, such as in the light imager panel. The detector is useful in high spatial resolution and low-dose or low-signal imaging contexts and may be used in adaptive 2D binning configurations. Adaptive binning of detector elements may be accomplished using control logic and X-ray intensity detector circuitry capable of assessing an incident X-ray intensity and controlling binning of an associated group of detector elements.
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13.发明申请公开(公告)号：US20140369463A1
公开(公告)日：2014-12-18
申请号：US13918215
申请日：2013-06-14
Inventor： Jean-Baptiste Thibault , Xue Rui , Somesh Srivastava , Ken David Sauer , Lin Fu , Charles Addison Bouman, JR.
CPC classification number: G01N23/046 , A61B6/032 , A61B6/5205 , G01N2223/1016 , G01N2223/419 , G06T11/006 , G06T2211/424
Abstract: A system and method include acquisition of projection data from a scanned object, the set of projection data comprising a plurality of projection measurements. The system and method also include calculation of a set of modified statistical weights from the projection data, wherein a respective modified statistical weight of the set of modified statistical weights comprises a deviation from an inverse variance of a corresponding projection measurement of the projection data. The system and method further include reconstruction of an image of the scanned object using the set of modified statistical weights as coefficients in an iterative reconstruction algorithm.
Abstract translation: 一种系统和方法包括从扫描对象获取投影数据，该组投影数据包括多个投影测量。 该系统和方法还包括从投影数据计算一组经修改的统计权重，其中修改的统计权重集合的相应修改的统计权重包括与投影数据的相应投影测量的逆方差的偏差。 该系统和方法还包括使用经修改的统计权重的集合来重建扫描对象的图像作为迭代重建算法中的系数。
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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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公开(公告)号：US10719961B2
公开(公告)日：2020-07-21
申请号：US16043991
申请日：2018-07-24
Applicant: General Electric Company
Inventor： Xiao Jin , Xue Rui , Jiahua Fan
Abstract: A method is provided that includes acquiring initial PET imaging data. The method also includes acquiring CT imaging data. Further, the method includes training a deep learning model for PET image reconstruction using the initial PET imaging data and the CT imaging data.
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Patent Agency Ranking
公开(公告)号：US10679385B1
公开(公告)日：2020-06-09
申请号：US16221606
申请日：2018-12-17
Applicant: General Electric Company
Inventor： Brian David Yanoff , Mingye Wu , Lin Fu , Peter Michael Edic , Xue Rui , Geng Fu , Yannan Jin , Fredrik Gronberg
Abstract: A method for imaging an object to be reconstructed includes acquiring projection data corresponding to the object. Furthermore, the method includes generating a measured sinogram based on the acquired projection data and formulating a forward model, where the forward model is representative of a characteristic of the imaging system. In addition, the method includes generating an estimated sinogram based on an estimated image of the object and the forward model and formulating a statistical model based on at least one of pile-up characteristics and dead time characteristics of a detector of the imaging system. Moreover, the method includes determining an update corresponding to the estimated image based on the statistical model, the measured sinogram, and the estimated sinogram and updating the estimated image based on the determined update to generate an updated image of the object. Additionally, the method includes outputting a final image of the object.
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公开(公告)号：US20190340793A1
公开(公告)日：2019-11-07
申请号：US16043991
申请日：2018-07-24
Applicant: General Electric Company
Inventor： Xiao Jin , Xue Rui , Jiahua Fan
Abstract: A method is provided that includes acquiring initial PET imaging data. The method also includes acquiring CT imaging data. Further, the method includes training a deep learning model for PET image reconstruction using the initial PET imaging data and the CT imaging data.
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公开(公告)号：US20180317869A1
公开(公告)日：2018-11-08
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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公开(公告)号：US20180192977A1
公开(公告)日：2018-07-12
申请号：US15400798
申请日：2017-01-06
Applicant: General Electric Company
Inventor： Yannan Jin , Peter Michael Edic , Xue Rui , Geng Fu
CPC classification number: A61B6/4241 , A61B6/032 , A61B6/481 , A61B6/482 , A61B6/5205 , A61B6/5217 , A61B6/5282 , A61B6/585 , G01T1/2985 , G01T1/36 , G01V5/0016 , G06T11/006 , G06T2211/408
Abstract: The present approaches relates to the use of silicon-based energy-discriminating, photon-counting detectors, such as for use in X-ray based imaging including computed tomography. The described approaches address the resolution and classification of X-ray photons affected by Compton scatter, which may be detected as having energy levels below their proper level due to collision or deflection events.
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20.发明授权公开(公告)号：US09261467B2
公开(公告)日：2016-02-16
申请号：US13918215
申请日：2013-06-14
Inventor： Jean-Baptiste Thibault , Xue Rui , Somesh Srivastava , Ken David Sauer , Lin Fu , Charles Addison Bouman, Jr.
CPC classification number: G01N23/046 , A61B6/032 , A61B6/5205 , G01N2223/1016 , G01N2223/419 , G06T11/006 , G06T2211/424
Abstract: A system and method include acquisition of projection data from a scanned object, the set of projection data comprising a plurality of projection measurements. The system and method also include calculation of a set of modified statistical weights from the projection data, wherein a respective modified statistical weight of the set of modified statistical weights comprises a deviation from an inverse variance of a corresponding projection measurement of the projection data. The system and method further include reconstruction of an image of the scanned object using the set of modified statistical weights as coefficients in an iterative reconstruction algorithm.
Abstract translation: 一种系统和方法包括从扫描对象获取投影数据，该组投影数据包括多个投影测量。 该系统和方法还包括从投影数据计算一组经修改的统计权重，其中修改的统计权重集合的相应修改的统计权重包括与投影数据的相应投影测量的逆方差的偏差。 该系统和方法还包括使用经修改的统计权重的集合来重建扫描对象的图像作为迭代重建算法中的系数。
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