RU2014154006A - Калибровка с декомпозицией на слои движения рентгеновских ст-томографов - Google Patents

Калибровка с декомпозицией на слои движения рентгеновских ст-томографов Download PDF

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RU2014154006A
RU2014154006A RU2014154006A RU2014154006A RU2014154006A RU 2014154006 A RU2014154006 A RU 2014154006A RU 2014154006 A RU2014154006 A RU 2014154006A RU 2014154006 A RU2014154006 A RU 2014154006A RU 2014154006 A RU2014154006 A RU 2014154006A
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ray
elements
gantry
projection data
data
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RU2014154006A
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Йорг БРЕДНО
Эберхард Себастьян ХАНСИС
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Конинклейке Филипс Н.В.
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Publication of RU2014154006A publication Critical patent/RU2014154006A/ru

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/58Testing, adjusting or calibrating thereof
    • A61B6/582Calibration
    • A61B6/583Calibration using calibration phantoms
    • A61B6/584Calibration using calibration phantoms determining position of components of the apparatus or device using images of the phantom
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/42Arrangements for detecting radiation specially adapted for radiation diagnosis
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/42Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4233Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using matrix detectors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/44Constructional features of apparatus for radiation diagnosis
    • A61B6/4429Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
    • A61B6/4435Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
    • A61B6/4441Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure the rigid structure being a C-arm or U-arm
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5205Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/58Testing, adjusting or calibrating thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/58Testing, adjusting or calibrating thereof
    • A61B6/582Calibration
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/58Testing, adjusting or calibrating thereof
    • A61B6/582Calibration
    • A61B6/583Calibration using calibration phantoms
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation
    • G06T11/003Reconstruction from projections, e.g. tomography
    • G06T11/005Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/025Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/04Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00Image generation
    • G06T2211/40Computed tomography
    • G06T2211/412Dynamic

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Optics & Photonics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Pulmonology (AREA)
  • Immunology (AREA)
  • Mathematical Physics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
RU2014154006A 2012-06-05 2013-05-16 Калибровка с декомпозицией на слои движения рентгеновских ст-томографов RU2014154006A (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261655602P 2012-06-05 2012-06-05
US61/655,602 2012-06-05
PCT/IB2013/054003 WO2013182928A1 (en) 2012-06-05 2013-05-16 Motion layer decomposition calibration of x-ray ct imagers

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Publication Number Publication Date
RU2014154006A true RU2014154006A (ru) 2016-08-10

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US (1) US9636079B2 (enExample)
EP (1) EP2854645B1 (enExample)
JP (1) JP6316283B2 (enExample)
CN (1) CN104334081B (enExample)
RU (1) RU2014154006A (enExample)
WO (1) WO2013182928A1 (enExample)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2961320B1 (en) * 2013-03-01 2017-01-18 Analogic Corporation Gain calibration and correction in radiation system
EP2997899B1 (en) 2014-09-17 2018-03-28 Bruker microCT NV X-ray CT apparatus with a filtering element exhibiting a maximum absorption at its center
CN105764422B (zh) * 2014-10-01 2019-01-29 皇家飞利浦有限公司 成像装置和方法
WO2016195684A1 (en) * 2015-06-04 2016-12-08 Siemens Healthcare Gmbh Apparatus and methods for a projection display device on x-ray imaging devices
US10842453B2 (en) * 2016-02-03 2020-11-24 Globus Medical, Inc. Portable medical imaging system
WO2018046377A1 (en) * 2016-09-08 2018-03-15 Koninklijke Philips N.V. Source grating for x-ray imaging
US10507005B2 (en) * 2016-09-22 2019-12-17 General Electric Company Spectral calibration of spectral computed tomography (CT)
EP3559911B1 (en) * 2016-12-21 2020-05-20 Koninklijke Philips N.V. Redundancy weighting for short scan off-center detector x-ray tomography
FI20175244A7 (fi) * 2017-03-17 2018-09-18 Planmeca Oy Itsekalibroiva lääketieteellinen kuvannuslaite
CN107015267B (zh) * 2017-06-09 2018-10-09 河北格物仪器设备有限公司 探测器增益校正系统及方法
US10610191B2 (en) * 2017-07-06 2020-04-07 Prismatic Sensors Ab Managing geometric misalignment in x-ray imaging systems
EP3459463A1 (en) * 2017-09-26 2019-03-27 Koninklijke Philips N.V. Device and method for determining a volume of projection of a dual-axis computed tomography system
CN115153608B (zh) * 2017-11-08 2025-06-27 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
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
US10922855B2 (en) * 2017-11-30 2021-02-16 Shanghai United Imaging Healthcare Co., Ltd. Systems and methods for determining at least one artifact calibration coefficient
IT201800000868A1 (it) * 2018-01-15 2019-07-15 Ims Giotto S P A Metodo di calibrazione di un collimatore e apparecchiatura per analisi a raggi x configurata per effettuare tale metodo.
JP2019158534A (ja) * 2018-03-12 2019-09-19 株式会社ミツトヨ 計測用x線ct装置、及び、その断層画像生成方法
EP3545844A1 (en) 2018-03-27 2019-10-02 Koninklijke Philips N.V. Device, system and method for controlling a position of an anti-scatter grid in an x-ray image acquisition system
CN108634976B (zh) * 2018-04-27 2022-09-02 东软医疗系统股份有限公司 一种图像校正方法和装置
CN112384280B (zh) * 2018-07-12 2023-04-04 西安大医集团股份有限公司 放疗设备等中心与治疗等中心一致性检测方法和系统
DE102018211669B4 (de) * 2018-07-12 2020-01-23 Siemens Healthcare Gmbh Omnidirektionales Fahrwerk für eine Gantry eines Computertomographiegeräts
CN111010868B (zh) * 2018-08-08 2022-01-11 西安大医集团股份有限公司 一种放疗设备准直器校正方法及装置
CN111096761B (zh) * 2018-10-29 2024-03-08 上海西门子医疗器械有限公司 修正楔形滤波器散射的方法、装置和相关设备
DE102019203713A1 (de) * 2019-03-19 2020-09-24 Siemens Healthcare Gmbh Korrektur einer Unwucht anhand der aufgenommenen Strahlungsdaten
EP3721809A1 (en) 2019-04-10 2020-10-14 Koninklijke Philips N.V. Static gain calibration
JP7392481B2 (ja) * 2020-01-14 2023-12-06 コニカミノルタ株式会社 撮影支援装置、放射線撮影システム及びプログラム
CN111728632B (zh) * 2020-07-31 2023-08-15 上海联影医疗科技股份有限公司 射线探测装置、射线探测方法和ct图像重建方法
JP7563304B2 (ja) * 2021-06-16 2024-10-08 トヨタ自動車株式会社 X線ct装置及び画像生成方法
US12039745B2 (en) 2021-07-27 2024-07-16 GE Precision Healthcare LLC Method and systems for removing anti-scatter grid artifacts in x-ray imaging
US12176099B2 (en) * 2022-03-31 2024-12-24 GE Precision Healthcare LLC Low-cost estimation and/or tracking of intra-scan focal-spot displacement
US12125662B2 (en) 2022-04-01 2024-10-22 GE Precision Healthcare LLC Correction of intra-scan focal-spot displacement
CN120932842A (zh) * 2024-05-10 2025-11-11 上海西门子医疗器械有限公司 检测光路中可移动部件的异常的方法、计算机程序、计算机可读存储介质和医学影像设备

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288695A (en) * 1979-04-13 1981-09-08 Technicare Corporation Computerized tomographic scanner with shaped radiation filter
US5963613A (en) * 1997-12-31 1999-10-05 Siemens Corporate Research, Inc. C-arm calibration method for 3D reconstruction in an imaging system
JP2000014664A (ja) * 1998-07-06 2000-01-18 Toshiba Corp X線診断装置及び放射線診断装置
JP4314645B2 (ja) * 1998-07-17 2009-08-19 株式会社島津製作所 X線ct装置
US6092928A (en) * 1998-11-12 2000-07-25 Picker International, Inc. Apparatus and method to determine the relative position of a detector array and an x-ray tube focal spot
DE19856537A1 (de) * 1998-12-08 2000-06-15 Philips Corp Intellectual Pty Verfahren zur intraoperativen Kalibration von C-Bogen Röntgenanordnungen
US6379043B1 (en) * 1998-12-08 2002-04-30 U.S. Philips Corporation X-ray examination apparatus and method for generating distortion-free X-ray images
DE19936408B4 (de) * 1999-08-03 2005-09-01 Siemens Ag Verfahrbares Röntgengerät
US6533455B2 (en) * 2000-08-31 2003-03-18 Siemens Aktiengesellschaft Method for determining a coordinate transformation for use in navigating an object
DE10202091B4 (de) * 2002-01-21 2005-09-08 Siemens Ag Vorrichtung zur Ermittlung einer Koordinatentransformation
DE10215808B4 (de) * 2002-04-10 2005-02-24 Siemens Ag Verfahren zur Registrierung für navigationsgeführte Eingriffe
CA2393101A1 (en) * 2002-07-11 2004-01-11 Martin Cyr Apparatus, system and method of calibrating medical imaging systems
US6950492B2 (en) * 2003-06-25 2005-09-27 Besson Guy M Dynamic multi-spectral X-ray projection imaging
EP1654516B1 (en) * 2003-08-08 2012-11-28 University Health Network Method and system for calibrating a source and detector instrument
US7016456B2 (en) 2003-10-31 2006-03-21 General Electric Company Method and apparatus for calibrating volumetric computed tomography systems
JP4700930B2 (ja) * 2004-05-28 2011-06-15 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 放射線断層撮影装置および検出器素子位置ズレ量測定装置
JP2006000225A (ja) * 2004-06-15 2006-01-05 Canon Inc X線ct装置
US7224763B2 (en) * 2004-07-27 2007-05-29 Analogic Corporation Method of and system for X-ray spectral correction in multi-energy computed tomography
FR2879433B1 (fr) 2004-12-17 2008-01-04 Gen Electric Procede pour determiner une geometrie d'acquisition d'un systeme medical
US7391844B2 (en) * 2005-01-14 2008-06-24 General Electric Company Method and apparatus for correcting for beam hardening in CT images
US7844094B2 (en) * 2005-04-29 2010-11-30 Varian Medical Systems, Inc. Systems and methods for determining geometric parameters of imaging devices
US7950849B2 (en) * 2005-11-29 2011-05-31 General Electric Company Method and device for geometry analysis and calibration of volumetric imaging systems
DE102006008042A1 (de) * 2006-02-21 2007-07-19 Siemens Ag Medizinisches Gerät mit im medizinischen Gerät kombinierter Bilderfassungs- und Positionsbestimmungsvorrichtung
JP2008154753A (ja) * 2006-12-22 2008-07-10 Canon Inc コーンビーム放射線撮影画像処理装置
US8000522B2 (en) * 2007-02-02 2011-08-16 General Electric Company Method and system for three-dimensional imaging in a non-calibrated geometry
DE102007021185B4 (de) * 2007-05-05 2012-09-20 Ziehm Imaging Gmbh Röntgendiagnostikeinrichtung mit einer Vielzahl kodierter Marken und ein Verfahren zur Bestimmung der Lage von Einrichtungsteilen der Röntgendiagnostikeinrichtung
DE102007042333A1 (de) * 2007-09-06 2009-03-12 Siemens Ag Verfahren zum Ermitteln einer Abbildungsvorschrift und Verfahren zum Erzeugen einer 3D-Rekonstruktion
RU2359614C1 (ru) 2007-10-31 2009-06-27 Закрытое Акционерное Общество "Импульс" Способ калибровки цифрового рентгеновского аппарата (варианты)
DE502008001705D1 (de) * 2008-03-04 2010-12-16 Brainlab Ag Kalibrierung eines C-Bogen-Röntgengeräts
EP2245986B1 (de) * 2008-08-22 2013-10-16 BrainLAB AG Pyramidenförmige Röntgenmarkervorrichtung
JP2010184086A (ja) * 2009-02-13 2010-08-26 Canon Inc 放射線ct装置及びその制御方法
JP5584995B2 (ja) 2009-04-15 2014-09-10 株式会社島津製作所 放射線撮影装置およびキャリブレーションデータの取得方法
JP5349174B2 (ja) * 2009-07-02 2013-11-20 株式会社日立メディコ X線ct装置及びx線検出器のx線検出素子間の距離を計測するための計測プログラム
JP5400546B2 (ja) * 2009-09-28 2014-01-29 株式会社日立メディコ X線ct装置
US8611627B2 (en) * 2009-12-23 2013-12-17 General Electric Company CT spectral calibration
US8262288B2 (en) * 2010-01-21 2012-09-11 Analogic Corporation Focal spot position determiner
US8315352B2 (en) * 2010-09-16 2012-11-20 General Electric Company System and method of spectral calibration and basis material decomposition for X-ray CT systems
DE102012204019B4 (de) * 2012-03-14 2018-02-08 Siemens Healthcare Gmbh Verfahren zur Reduzierung von Bewegungsartefakten
US8958524B2 (en) * 2013-01-31 2015-02-17 Analogic Corporation Correction of projection data in radiation system

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Publication number Publication date
WO2013182928A1 (en) 2013-12-12
JP2015518765A (ja) 2015-07-06
EP2854645B1 (en) 2021-10-06
EP2854645A1 (en) 2015-04-08
CN104334081A (zh) 2015-02-04
CN104334081B (zh) 2018-04-10
JP6316283B2 (ja) 2018-04-25
US20150103972A1 (en) 2015-04-16
US9636079B2 (en) 2017-05-02

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