JP2011120903A5 - - Google Patents

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Publication number
JP2011120903A5
JP2011120903A5 JP2010271104A JP2010271104A JP2011120903A5 JP 2011120903 A5 JP2011120903 A5 JP 2011120903A5 JP 2010271104 A JP2010271104 A JP 2010271104A JP 2010271104 A JP2010271104 A JP 2010271104A JP 2011120903 A5 JP2011120903 A5 JP 2011120903A5
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JP
Japan
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kvp
projection data
computed tomography
acquired
data acquired
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JP2010271104A
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English (en)
Japanese (ja)
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JP2011120903A (ja
JP5920908B2 (ja
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Priority claimed from US12/635,901 external-priority patent/US8199874B2/en
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Publication of JP2011120903A5 publication Critical patent/JP2011120903A5/ja
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JP2010271104A 2009-12-11 2010-12-06 低信号の影響が軽減された投影データを生成する計算機式断層写真法システム Active JP5920908B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/635,901 US8199874B2 (en) 2009-12-11 2009-12-11 System and method of mitigating low signal data for dual energy CT
US12/635,901 2009-12-11

Publications (3)

Publication Number Publication Date
JP2011120903A JP2011120903A (ja) 2011-06-23
JP2011120903A5 true JP2011120903A5 (enExample) 2014-01-23
JP5920908B2 JP5920908B2 (ja) 2016-05-18

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JP2010271104A Active JP5920908B2 (ja) 2009-12-11 2010-12-06 低信号の影響が軽減された投影データを生成する計算機式断層写真法システム

Country Status (4)

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US (1) US8199874B2 (enExample)
JP (1) JP5920908B2 (enExample)
CN (1) CN102090900B (enExample)
DE (1) DE102010060989A1 (enExample)

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JP5913957B2 (ja) * 2011-12-21 2016-05-11 株式会社日立メディコ Ｘ線ｃｔ装置
JP2013144038A (ja) * 2012-01-16 2013-07-25 Toshiba Corp Ｘ線ｃｔ装置
EP2820449B1 (en) 2012-02-27 2017-07-26 Koninklijke Philips N.V. Spectral imaging
KR102025753B1 (ko) 2012-09-21 2019-09-26 삼성전자주식회사 객체 정보 추정 장치 및 동작 방법
DE102012217569B4 (de) * 2012-09-27 2024-11-28 Siemens Healthineers Ag Automatische Festlegung einer spektralen Verteilung von Röntgenstrahlung einer Anzahl von Röntgenquellen
CN104240270B (zh) * 2013-06-14 2017-12-05 同方威视技术股份有限公司 Ct成像方法和系统
CN103622717B (zh) * 2013-09-30 2015-10-28 天津大学 由单源单次扫描x光ct图像生成双能x光ct图像方法
WO2016059527A2 (en) 2014-10-13 2016-04-21 Koninklijke Philips N.V. Spectral imaging
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CN105759319A (zh) * 2015-03-06 2016-07-13 公安部第研究所 一种改进的双能ct成像方法及装置
CN105054954A (zh) * 2015-07-17 2015-11-18 王东良 实时多能x射线透视图像的获取及图像处理方法及其系统
WO2017019554A1 (en) * 2015-07-24 2017-02-02 Photo Diagnostic Systems, Inc. Method and apparatus for performing multi-energy (including dual energy) computed tomography (ct) imaging
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CN105326519B (zh) 2015-11-26 2017-03-22 上海联影医疗科技有限公司 X射线图像形成、散射成分计算以及重建的方法及装置
WO2017128892A1 (zh) 2016-01-30 2017-08-03 上海联影医疗科技有限公司 计算机断层成像伪影校正方法及系统
US10573030B2 (en) 2017-04-07 2020-02-25 Photo Diagnostic Systems, Inc. Method for artifact reduction using monoenergetic data in computed tomography
WO2019090541A1 (en) * 2017-11-08 2019-05-16 Shenzhen United Imaging Healthcare Co., Ltd. Systems and methods for correcting projection images in computed tomography image reconstruction
CN109431528B (zh) * 2017-11-08 2022-05-31 上海联影医疗科技股份有限公司 校正投影图像的系统和方法
CN109100775B (zh) * 2018-07-06 2020-05-29 郑州云海信息技术有限公司 一种双层探测器的能量谱校正方法与装置
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CN112712572B (zh) * 2021-01-11 2023-10-24 明峰医疗系统股份有限公司 Ct扫描设备的低信号噪声的抑制方法、系统及计算机可读存储介质
US11647975B2 (en) 2021-06-04 2023-05-16 Accuray, Inc. Radiotherapy apparatus and methods for treatment and imaging using hybrid MeV-keV, multi-energy data acquisition for enhanced imaging
US11605186B2 (en) 2021-06-30 2023-03-14 Accuray, Inc. Anchored kernel scatter estimate
US11794039B2 (en) 2021-07-13 2023-10-24 Accuray, Inc. Multimodal radiation apparatus and methods
US11854123B2 (en) 2021-07-23 2023-12-26 Accuray, Inc. Sparse background measurement and correction for improving imaging
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JP5606667B2 (ja) * 2008-05-26 2014-10-15 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｘ線ｃｔ装置
JP5329204B2 (ja) * 2008-12-19 2013-10-30 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｘ線ｃｔ装置
US8199875B2 (en) * 2009-12-11 2012-06-12 General Electric Company System and method of acquiring multi-energy CT imaging data

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