RU2586968C2 - Уменьшение уровня шума в низкодозной компьютерной томографии - Google Patents

Уменьшение уровня шума в низкодозной компьютерной томографии Download PDF

Info

Publication number
RU2586968C2
RU2586968C2 RU2013123937/14A RU2013123937A RU2586968C2 RU 2586968 C2 RU2586968 C2 RU 2586968C2 RU 2013123937/14 A RU2013123937/14 A RU 2013123937/14A RU 2013123937 A RU2013123937 A RU 2013123937A RU 2586968 C2 RU2586968 C2 RU 2586968C2
Authority
RU
Russia
Prior art keywords
projection
photons
detected photons
noise level
noise reduction
Prior art date
Application number
RU2013123937/14A
Other languages
English (en)
Russian (ru)
Other versions
RU2013123937A (ru
Inventor
Кевин М. БРАУН
Станислав ЗАБИК
Original Assignee
Конинклейке Филипс Электроникс Н.В.
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 Конинклейке Филипс Электроникс Н.В. filed Critical Конинклейке Филипс Электроникс Н.В.
Publication of RU2013123937A publication Critical patent/RU2013123937A/ru
Application granted granted Critical
Publication of RU2586968C2 publication Critical patent/RU2586968C2/ru

Links

Images

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
RU2013123937/14A 2010-10-27 2011-10-17 Уменьшение уровня шума в низкодозной компьютерной томографии RU2586968C2 (ru)

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 (2)

Publication Number Publication Date
RU2013123937A RU2013123937A (ru) 2014-12-10
RU2586968C2 true RU2586968C2 (ru) 2016-06-10

Family

ID=44993631

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2013123937/14A RU2586968C2 (ru) 2010-10-27 2011-10-17 Уменьшение уровня шума в низкодозной компьютерной томографии

Country Status (8)

Country Link
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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (19)

* 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
WO2013076613A1 (en) 2011-11-23 2013-05-30 Koninklijke Philips Electronics N.V. Image domain de-noising
CN104025156B (zh) 2011-12-13 2017-05-24 皇家飞利浦有限公司 用于基于利用正则化的迭代重建算法和/或去噪算法来处理图像的处理部件和方法
US9105124B2 (en) * 2012-06-21 2015-08-11 General Electric Company Methods and systems for reducing noise- related imaging artifacts
WO2014080311A1 (en) * 2012-11-26 2014-05-30 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
WO2018114964A1 (en) * 2016-12-19 2018-06-28 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
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
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2047276C1 (ru) * 1990-04-06 1995-10-27 Самсунг Электроникс Ко., Лтд. Система для считывания изображений
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

Family Cites Families (24)

* 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
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
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
US7558362B2 (en) * 2004-07-07 2009-07-07 Koninklijke Philips Electronics N.V. Streak artifact reduction in cardiac cone beam CT reconstruction
US7508968B2 (en) * 2004-09-22 2009-03-24 Siemens Medical Solutions Usa, Inc. Image compounding based on independent noise constraint
US7362845B2 (en) * 2005-04-25 2008-04-22 University Of Rochester Method and apparatus of global de-noising for cone beam and fan beam CT imaging
US7616841B2 (en) * 2005-06-17 2009-11-10 Ricoh Co., Ltd. End-to-end design of electro-optic imaging systems
WO2007049168A2 (en) * 2005-10-28 2007-05-03 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
CA2729607A1 (en) * 2008-07-23 2010-01-28 Jianwei Miao Incorporation of mathematical constraints in methods for dose reduction and image enhancement 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
EP2380132B1 (en) * 2008-12-25 2018-02-07 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
EP2486546B1 (en) 2009-10-06 2014-05-21 Koninklijke Philips N.V. Method for artifact reduction in cone-beam ct images
US8938110B2 (en) 2009-10-22 2015-01-20 Koninklijke Philips N.V. Enhanced image data/dose reduction

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2047276C1 (ru) * 1990-04-06 1995-10-27 Самсунг Электроникс Ко., Лтд. Система для считывания изображений
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
JP2013542018A (ja) 2013-11-21
EP2633494A1 (en) 2013-09-04
US9031299B2 (en) 2015-05-12
CN103180875A (zh) 2013-06-26
CN103180875B (zh) 2018-04-13
BR112013009965A8 (pt) 2016-09-13
JP5937093B2 (ja) 2016-06-22
MX2013004540A (es) 2013-07-03
US20130208971A1 (en) 2013-08-15
WO2012056364A1 (en) 2012-05-03
EP2633494B1 (en) 2019-12-11
RU2013123937A (ru) 2014-12-10
BR112013009965A2 (pt) 2016-08-02

Similar Documents

Publication Publication Date Title
RU2586968C2 (ru) Уменьшение уровня шума в низкодозной компьютерной томографии
US11328391B2 (en) System and method for controlling noise in multi-energy computed tomography images based on spatio-spectral information
CN103649990B (zh) 用于谱ct的图像处理
JP5792733B2 (ja) 取得プロトコル評価装置
JP6169558B2 (ja) コントラスト依存の解像度をもつ画像
US10789738B2 (en) Method and apparatus to reduce artifacts in a computed-tomography (CT) image by iterative reconstruction (IR) using a cost function with a de-emphasis operator
CN102947861A (zh) 用于在低剂量计算机断层摄影中降低噪声的方法和系统
CN109770933B (zh) 通过三维定位改进图像质量的系统和方法
JP7346429B2 (ja) スペクトルコンピュータ断層撮影（ｃｔ）スキャナによって生成される画質が向上したバーチャル非造影画像
US20090310844A1 (en) Tomographic image reconstruction method and apparatus using filtered back projection
JP6482934B2 (ja) 画像処理装置、放射線検出装置および画像処理方法
JP2016052349A (ja) Ｘ線ｃｔ装置、画像処理装置及び画像処理プログラム
EP1530162A2 (en) Radiation image processing apparatus, radiation image processing method, program, and computer-readable medium
KR101076321B1 (ko) 콘빔 ｃｔ 장치에서의 3차원 영상 획득 방법 및 이를 적용한 콘빔 ｃｔ 장치
CN111627083A (zh) 骨硬化伪影校正方法、装置、计算机设备和可读存储介质
US10984564B2 (en) Image noise estimation using alternating negation
JP2019004920A (ja) Ｘ線ｃｔ装置及びｘ線照射条件設定方法
JP6945410B2 (ja) 画像再構成処理装置、ｘ線コンピュータ断層撮像装置及び画像再構成処理方法
CN110123352B (zh) 成像参数的基于谱拓扑图的确定
US20120177173A1 (en) Method and apparatus for reducing imaging artifacts
US20180158218A1 (en) Medical imaging apparatus and method of operating the same
US20100254585A1 (en) Overexposure correction for large volume reconstruction in computed tomography apparatus
JP2023039438A (ja) 画像生成装置、ｘ線ｃｔ装置及び画像生成方法
JP4841639B2 (ja) Ｘ線ｃｔ装置
RU2575405C2 (ru) Компьютерная томография (ст) при малых дозах

Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20171018