CN103180875B - 低剂量ct降噪 - Google Patents

低剂量ct降噪 Download PDF

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Publication number
CN103180875B
CN103180875B CN201180051297.9A CN201180051297A CN103180875B CN 103180875 B CN103180875 B CN 103180875B CN 201180051297 A CN201180051297 A CN 201180051297A CN 103180875 B CN103180875 B CN 103180875B
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projection
projections
detected photons
denoiser
estimated number
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CN103180875A (zh
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K·M·布朗
S·扎比奇
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Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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    • 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
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
CN201180051297.9A 2010-10-27 2011-10-17 低剂量ct降噪 Active CN103180875B (zh)

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

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CN103180875A CN103180875A (zh) 2013-06-26
CN103180875B true CN103180875B (zh) 2018-04-13

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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)

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US9105124B2 (en) * 2012-06-21 2015-08-11 General Electric Company Methods and systems for reducing noise- related imaging artifacts
US9600866B2 (en) * 2012-11-26 2017-03-21 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
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
JP7203852B2 (ja) * 2018-01-03 2023-01-13 コーニンクレッカ フィリップス エヌ ヴェ 深層学習を使用した低線量ｐｅｔイメージングからの全線量ｐｅｔ画像の推定
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
US11861765B2 (en) 2018-07-09 2024-01-02 Koninklijke Philips N.V. Imaging system detector clipping-induced bias correction
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
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
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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Also Published As

Publication number Publication date
MX2013004540A (es) 2013-07-03
RU2013123937A (ru) 2014-12-10
EP2633494A1 (en) 2013-09-04
US9031299B2 (en) 2015-05-12
JP2013542018A (ja) 2013-11-21
BR112013009965A8 (pt) 2016-09-13
WO2012056364A1 (en) 2012-05-03
BR112013009965A2 (pt) 2016-08-02
RU2586968C2 (ru) 2016-06-10
CN103180875A (zh) 2013-06-26
EP2633494B1 (en) 2019-12-11
JP5937093B2 (ja) 2016-06-22
US20130208971A1 (en) 2013-08-15

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