BR112013009965A8 - "sistema e método" - Google Patents

"sistema e método"

Info

Publication number
BR112013009965A8
BR112013009965A8 BR112013009965A BR112013009965A BR112013009965A8 BR 112013009965 A8 BR112013009965 A8 BR 112013009965A8 BR 112013009965 A BR112013009965 A BR 112013009965A BR 112013009965 A BR112013009965 A BR 112013009965A BR 112013009965 A8 BR112013009965 A8 BR 112013009965A8
Authority
BR
Brazil
Prior art keywords
noise
radiation
examination region
projection
projection data
Prior art date
Application number
BR112013009965A
Other languages
English (en)
Portuguese (pt)
Other versions
BR112013009965A2 (pt
Inventor
M Brown Kevin
Zabic Stanislav
Original Assignee
Koninklijke Philips Electronics Nv
Koninklijke Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics Nv, Koninklijke Philips Nv filed Critical Koninklijke Philips Electronics Nv
Publication of BR112013009965A2 publication Critical patent/BR112013009965A2/pt
Publication of BR112013009965A8 publication Critical patent/BR112013009965A8/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10081—Computed x-ray tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20004—Adaptive image processing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
BR112013009965A 2010-10-27 2011-10-17 "sistema e método" BR112013009965A8 (pt)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
BR112013009965A2 BR112013009965A2 (pt) 2016-08-02
BR112013009965A8 true BR112013009965A8 (pt) 2016-09-13

Family

ID=44993631

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013009965A BR112013009965A8 (pt) 2010-10-27 2011-10-17 "sistema e método"

Country Status (8)

Country Link
US (1) US9031299B2 (https=)
EP (1) EP2633494B1 (https=)
JP (1) JP5937093B2 (https=)
CN (1) CN103180875B (https=)
BR (1) BR112013009965A8 (https=)
MX (1) MX2013004540A (https=)
RU (1) RU2586968C2 (https=)
WO (1) WO2012056364A1 (https=)

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WO2013007272A1 (en) * 2011-07-13 2013-01-17 Rayvis Gmbh Transmission image reconstruction and imaging using poissonian detector data
CN103959329B (zh) 2011-11-23 2017-10-24 皇家飞利浦有限公司 图像域去噪
RU2014128596A (ru) * 2011-12-13 2016-02-10 Конинклейке Филипс Н.В. Автоматическое определение коэффициента регуляризации для итерационного восстановления изображения с регуляризацией и/или шумоподавлением изображения
US9105124B2 (en) * 2012-06-21 2015-08-11 General Electric Company Methods and systems for reducing noise- related imaging artifacts
EP2923332B1 (en) * 2012-11-26 2019-01-16 Koninklijke Philips N.V. Projection data de-noising
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
US11049295B2 (en) * 2016-12-19 2021-06-29 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
EP3820372B1 (en) * 2018-07-09 2023-09-06 Koninklijke Philips N.V. Imaging system detector clipping-induced bias correction
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

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US7508968B2 (en) * 2004-09-22 2009-03-24 Siemens Medical Solutions Usa, Inc. Image compounding based on independent noise constraint
AU2006239856A1 (en) * 2005-04-25 2006-11-02 University Of Rochester Method and apparatus of global de-noising for CT imaging
US7616841B2 (en) * 2005-06-17 2009-11-10 Ricoh Co., Ltd. End-to-end design of electro-optic imaging systems
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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
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JP2010078338A (ja) * 2008-09-24 2010-04-08 Toshiba Corp Ｘ線検出器
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WO2010073251A2 (en) * 2008-12-25 2010-07-01 Medic Vision - Brain Technologies Ltd. Denoising medical images
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WO2011042821A1 (en) 2009-10-06 2011-04-14 Koninklijke Philips Electronics, 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

Also Published As

Publication number Publication date
MX2013004540A (es) 2013-07-03
WO2012056364A1 (en) 2012-05-03
EP2633494B1 (en) 2019-12-11
US20130208971A1 (en) 2013-08-15
CN103180875A (zh) 2013-06-26
RU2586968C2 (ru) 2016-06-10
CN103180875B (zh) 2018-04-13
JP2013542018A (ja) 2013-11-21
US9031299B2 (en) 2015-05-12
RU2013123937A (ru) 2014-12-10
BR112013009965A2 (pt) 2016-08-02
JP5937093B2 (ja) 2016-06-22
EP2633494A1 (en) 2013-09-04

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: KONINKLIJKE PHILIPS N. V. (NL)

B25G Requested change of headquarter approved

Owner name: KONINKLIJKE PHILIPS N. V. (NL)

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2484 DE 14-08-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.