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Patent Agency Ranking
公开(公告)号：US10799206B2
公开(公告)日：2020-10-13
申请号：US16146308
申请日：2018-09-28
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Srikrishnan Viswanathan , Arun Kumar Chandrashekarappa , Nasir Ahmed Desai , Xin Li , Bin Ye , Qingyong Ding , Youyou Chen
Abstract: A method of calibrating a system for imaging a subject is provided. The method includes determining a position of an X-ray source of the system operative to transmit X-rays through the subject; and calibrating the position of the X-ray source with respect to a detector of the system, based at least in part on a field of view of the X-ray source, the detector operative to receive the X-rays transmitted by the X-ray source. In embodiments, the method includes positioning an X-ray source of the system via a controller at one or more calibration positions based at least in part on at least one camera of the system. In such embodiments the X-ray source is disposed on a mobile arm and operative to transmit X-rays through the subject, and a field of view of the X-ray source is directed substantially towards the detector at each of the calibration positions.
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公开(公告)号：US10918346B2
公开(公告)日：2021-02-16
申请号：US16694433
申请日：2019-11-25
Applicant: General Electric Company
Inventor： Katelyn Rose Nye , John Eric Tkaczyk , Srikrishnan Viswanathan , Manu Ramesh , Nasir Ahmed Desai , Gireesha Chinthamani Rao
Abstract: The present approach relates to the use of augmented or enhanced reality to facilitate positioning of one or more of a patient, X-ray source, or detector during an image acquisition. In certain implementations, sensors and/or cameras provide quantitative information about the position of system components and the patient, which may be used to generate a positioning signal (positioning image audio or textual positioning instructions) based upon reference to a prior patient image.
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公开(公告)号：US20200085385A1
公开(公告)日：2020-03-19
申请号：US16694433
申请日：2019-11-25
Applicant: General Electric Company
Inventor： Katelyn Rose Nye , John Eric Tkaczyk , Srikrishnan Viswanathan , Manu Ramesh , Nasir Ahmed Desai , Gireesha Chinthamani Rao
Abstract: The present approach relates to the use of augmented or enhanced reality to facilitate positioning of one or more of a patient, X-ray source, or detector during an image acquisition. In certain implementations, sensors and/or cameras provide quantitative information about the position of system components and the patient, which may be used to generate a positioning signal (positioning image audio or textual positioning instructions) based upon reference to a prior patient image.
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公开(公告)号：US09471976B2
公开(公告)日：2016-10-18
申请号：US14626976
申请日：2015-02-20
Applicant: General Electric Company , King's College London
Inventor： Sheshadri Thiruvenkadam , Krishna Seetharam Shriram , Ravindra Mohan Manjeshwar , Srikrishnan Viswanathan , Kris Filip Johan Jules Thielemans
CPC classification number: G06T7/0012 , A61B6/037 , A61B6/5217 , A61B6/5241 , A61B6/5264 , A61B6/5288 , G06T7/20 , G06T7/262 , G06T2207/10104 , G06T2207/30004
Abstract: A method implemented using at least one processor includes receiving time-varying image dataset generated by a medical imaging modality. The image dataset corresponds to a bed position and is affected by quasi-periodic motion data. The method also includes applying a signal decomposition technique to the time-varying image dataset to generate a plurality of dataset components and a plurality of motion signals. The method also includes determining reference data based on the time-varying image dataset, wherein the reference data is representative of a direction of the quasi-periodic motion. The method further includes deriving polarity of each of the plurality of motion signals based on the reference data to generate a plurality of sign corrected motion signals. The method also includes determining a gating signal corresponding to the bed position based on at least one of the plurality of sign corrected motion signals.
Abstract translation: 使用至少一个处理器实现的方法包括接收由医学成像模式产生的时变图像数据集。 图像数据集对应于床位置并受准周期运动数据的影响。 该方法还包括将信号分解技术应用于时变图像数据集以产生多个数据集分量和多个运动信号。 该方法还包括基于时变图像数据集确定参考数据，其中参考数据表示准周期运动的方向。 该方法还包括基于参考数据导出多个运动信号中的每一个的极性，以产生多个符号校正运动信号。 该方法还包括基于多个符号校正的运动信号中的至少一个确定与床位置对应的选通信号。
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公开(公告)号：US20160247274A1
公开(公告)日：2016-08-25
申请号：US14626976
申请日：2015-02-20
Applicant: General Electric Company , King's College London
Inventor： Sheshadri Thiruvenkadam , Krishna Seetharam Shriram , Ravindra Mohan Manjeshwar , Srikrishnan Viswanathan , Kris Filip Johan Jules Thielemans
CPC classification number: G06T7/0012 , A61B6/037 , A61B6/5217 , A61B6/5241 , A61B6/5264 , A61B6/5288 , G06T7/20 , G06T7/262 , G06T2207/10104 , G06T2207/30004
Abstract: A method implemented using at least one processor includes receiving time-varying image dataset generated by a medical imaging modality. The image dataset corresponds to a bed position and is affected by quasi-periodic motion data. The method also includes applying a signal decomposition technique to the time-varying image dataset to generate a plurality of dataset components and a plurality of motion signals. The method also includes determining reference data based on the time-varying image dataset, wherein the reference data is representative of a direction of the quasi-periodic motion. The method further includes deriving polarity of each of the plurality of motion signals based on the reference data to generate a plurality of sign corrected motion signals. The method also includes determining a gating signal corresponding to the bed position based on at least one of the plurality of sign corrected motion signals.
Abstract translation: 使用至少一个处理器实现的方法包括接收由医学成像模式产生的时变图像数据集。 图像数据集对应于床位置并受准周期运动数据的影响。 该方法还包括将信号分解技术应用于时变图像数据集以产生多个数据集分量和多个运动信号。 该方法还包括基于时变图像数据集确定参考数据，其中参考数据代表准周期运动的方向。 该方法还包括基于参考数据导出多个运动信号中的每一个的极性，以产生多个符号校正运动信号。 该方法还包括基于多个符号校正的运动信号中的至少一个确定与床位置对应的选通信号。
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