JP2013542018A5 - - Google Patents

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JP2013542018A5
JP2013542018A5 JP2013535544A JP2013535544A JP2013542018A5 JP 2013542018 A5 JP2013542018 A5 JP 2013542018A5 JP 2013535544 A JP2013535544 A JP 2013535544A JP 2013535544 A JP2013535544 A JP 2013535544A JP 2013542018 A5 JP2013542018 A5 JP 2013542018A5
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JP5937093B2 (ja
JP2013542018A (ja
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Priority claimed from PCT/IB2011/054588 external-priority patent/WO2012056364A1/en
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JP2013535544A 2010-10-27 2011-10-17 低線量ctノイズを除去するためのシステム及び方法 Active JP5937093B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US40704010P 2010-10-27 2010-10-27
US61/407,040 2010-10-27
PCT/IB2011/054588 WO2012056364A1 (en) 2010-10-27 2011-10-17 Low dose ct denoising

Publications (3)

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JP2013542018A JP2013542018A (ja) 2013-11-21
JP2013542018A5 true JP2013542018A5 (enExample) 2014-11-13
JP5937093B2 JP5937093B2 (ja) 2016-06-22

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US (1) US9031299B2 (enExample)
EP (1) EP2633494B1 (enExample)
JP (1) JP5937093B2 (enExample)
CN (1) CN103180875B (enExample)
BR (1) BR112013009965A8 (enExample)
MX (1) MX2013004540A (enExample)
RU (1) RU2586968C2 (enExample)
WO (1) WO2012056364A1 (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8538114B2 (en) * 2011-06-06 2013-09-17 Kabushiki Kaisha Toshiba Method and system utilizing parameter-less filter for substantially reducing streak and or noise in computer tomography (CT) images
WO2013007272A1 (en) * 2011-07-13 2013-01-17 Rayvis Gmbh Transmission image reconstruction and imaging using poissonian detector data
RU2629432C2 (ru) 2011-11-23 2017-08-29 Конинклейке Филипс Н.В. Устранение шума в области изображения
BR112014014093A8 (pt) * 2011-12-13 2017-06-13 Koninklijke Philips Nv componente de processamento, que processa imagens com base em algoritmo de reconstrução iterativa com algoritmo de regularização e/ou redução de ruído e método
US9105124B2 (en) * 2012-06-21 2015-08-11 General Electric Company Methods and systems for reducing noise- related imaging artifacts
JP6310473B2 (ja) * 2012-11-26 2018-04-11 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. プロジェクションデータからノイズ除去を行う方法、プロセッサ及びコンピュータプログラム
KR101891833B1 (ko) * 2012-12-31 2018-08-24 부산가톨릭대학교 산학협력단 전변분에 기초한 노이즈 제거 알고리즘을 이용한 유방 x선 조영장치에서의 선량 감소 방법
CN103226815A (zh) * 2013-04-10 2013-07-31 东南大学 一种低剂量ct图像滤波方法
JP6214226B2 (ja) * 2013-06-06 2017-10-18 キヤノン株式会社 画像処理装置、断層撮影装置、画像処理方法およびプログラム
CN104644203B (zh) * 2014-09-02 2018-01-23 沈阳东软医疗系统有限公司 一种剂量调制扫描方法和装置
KR101904493B1 (ko) * 2016-11-22 2018-10-17 동서대학교산학협력단 저선량 촬영한 동적 3차원 의료영상을 시공간 특징 기반으로 개선하는 방법
EP3555860B1 (en) * 2016-12-19 2020-12-09 Koninklijke Philips N.V. Detection and/or correction of residual iodine artifacts in spectral computed tomography (ct) imaging
WO2019134879A1 (en) * 2018-01-03 2019-07-11 Koninklijke Philips N.V. Full dose pet image estimation from low-dose pet imaging using deep learning
CN108961237B (zh) * 2018-06-28 2020-08-21 安徽工程大学 一种基于卷积神经网络的低剂量ct图像分解方法
CN112566554B (zh) 2018-07-09 2024-10-22 皇家飞利浦有限公司 成像系统探测器剪切引起的偏置校正
US11300695B2 (en) 2020-04-24 2022-04-12 Ronald Nutt Time-resolved positron emission tomography encoder system for producing event-by-event, real-time, high resolution, three-dimensional positron emission tomographic image without the necessity of performing image reconstruction
US11054534B1 (en) 2020-04-24 2021-07-06 Ronald Nutt Time-resolved positron emission tomography encoder system for producing real-time, high resolution, three dimensional positron emission tomographic image without the necessity of performing image reconstruction
RU2744552C1 (ru) * 2020-08-06 2021-03-11 Государственное бюджетное учреждение здравоохранения города Москвы "Научно-практический клинический центр диагностики и телемедицинских технологий Департамента здравоохранения города Москвы" (ГБУЗ "НПКД ДиТ ДЗМ") Способ исследования состояния легких при подозрении на COVID-19 с помощью низкодозной компьютерной томографии
RU2753474C1 (ru) * 2020-12-07 2021-08-17 Государственное бюджетное учреждение здравоохранения города Москвы "Научно-практический клинический центр диагностики и телемедицинских технологий Департамента здравоохранения города Москвы" (ГБУЗ "НПКЦ ДиТ ДЗМ") Способ низкодозного сканирования органов грудной клетки, адаптированный к массе тела пациента
CN112656438B (zh) * 2020-12-17 2023-02-21 中山大学 一种基于曲面全变差的低剂量ct投影域去噪及重建方法
CN114793291B (zh) * 2022-01-25 2023-11-07 深圳软牛科技有限公司 Ios多设备实时投屏方法、系统、计算机设备及存储介质

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4991093A (en) * 1985-08-21 1991-02-05 Exxon Research And Engineering Company Method for producing tomographic images using direct Fourier inversion
US5053615A (en) * 1990-04-06 1991-10-01 Samsung Electronics Co., Ltd. Correction algorithm for contiguous CCD elements leakage
US6016333A (en) * 1998-05-15 2000-01-18 International Business Machines Corporation System and method for improving the quality of images produced by CT scanners operating on low power
US6490476B1 (en) * 1999-10-14 2002-12-03 Cti Pet Systems, Inc. Combined PET and X-ray CT tomograph and method for using same
US6507633B1 (en) * 2001-02-15 2003-01-14 The Regents Of The University Of Michigan Method for statistically reconstructing a polyenergetic X-ray computed tomography image and image reconstructor apparatus utilizing the method
US7187794B2 (en) * 2001-10-18 2007-03-06 Research Foundation Of State University Of New York Noise treatment of low-dose computed tomography projections and images
US6493416B1 (en) * 2001-11-21 2002-12-10 Ge Medical Systems Global Technology Company, Llc Method and apparatus for noise reduction in computed tomographic systems
US7206440B2 (en) * 2002-02-14 2007-04-17 Carnegie Mellon University Image smoothing with decoupled regularization
IL151634A0 (en) * 2002-09-05 2003-04-10 Real Time Radiography Ltd Direct detection of high energy single photons
US6950493B2 (en) * 2003-06-25 2005-09-27 Besson Guy M Dynamic multi-spectral CT imaging
US7317841B2 (en) * 2003-12-22 2008-01-08 Ge Medical Systems Global Technology Company, Llc System and method for image noise reduction using a minimal error spatiotemporal recursive filter
CN100563570C (zh) * 2004-07-07 2009-12-02 皇家飞利浦电子股份有限公司 心脏锥面光束ct重建中条纹伪影的减少
US7508968B2 (en) * 2004-09-22 2009-03-24 Siemens Medical Solutions Usa, Inc. Image compounding based on independent noise constraint
CN101237820B (zh) * 2005-04-25 2011-01-26 罗切斯特大学 用于ct成像的整体去噪的方法和装置
US7616841B2 (en) * 2005-06-17 2009-11-10 Ricoh Co., Ltd. End-to-end design of electro-optic imaging systems
EP1943545A2 (en) * 2005-10-28 2008-07-16 Koninklijke Philips Electronics N.V. Method and apparatus for spectral computed tomography
US7888651B2 (en) * 2007-05-21 2011-02-15 The Board Of Trustees Of The Leland Stanford Junior University Method and system for using tissue-scattered coincidence photons for imaging
US8014616B2 (en) 2007-11-02 2011-09-06 Siemens Aktiengesellschaft System and method for fixed point continuation for total variation based compressed sensing imaging
EP2317925A4 (en) * 2008-07-23 2012-10-24 Univ California ASSEMBLY OF MATHEMATICAL LIMITATIONS IN METHOD FOR DOSE REDUCTION AND IMAGE ENLARGEMENT IN TOMOGRAPHY
JP2010078338A (ja) * 2008-09-24 2010-04-08 Toshiba Corp X線検出器
US8837666B2 (en) * 2008-09-30 2014-09-16 Hitachi Medical Corporation X-ray CT apparatus
US8605970B2 (en) * 2008-12-25 2013-12-10 Medic Vision-Imaging Solutions Ltd. Denoising medical images
WO2010096701A1 (en) * 2009-02-20 2010-08-26 Mayo Foundation For Medical Education And Research Projection-space denoising with bilateral filtering in computed tomography
US8031831B2 (en) * 2009-05-28 2011-10-04 Kabushiki Kaisha Toshiba Voltage and or current modulation in dual energy computed tomography
US8938108B2 (en) 2009-10-06 2015-01-20 Koninklijke Philips N.V. Method for artifact reduction in cone-beam CT images
EP2504811B1 (en) 2009-11-25 2014-06-18 Koninklijke Philips N.V. Enhanced image data/dose reduction

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