JP2015518765A5 - - Google Patents

Download PDF

Info

Publication number
JP2015518765A5
JP2015518765A5 JP2015515605A JP2015515605A JP2015518765A5 JP 2015518765 A5 JP2015518765 A5 JP 2015518765A5 JP 2015515605 A JP2015515605 A JP 2015515605A JP 2015515605 A JP2015515605 A JP 2015515605A JP 2015518765 A5 JP2015518765 A5 JP 2015518765A5
Authority
JP
Japan
Prior art keywords
ray
elements
gantry
image
data
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP2015515605A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015518765A (ja
JP6316283B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/IB2013/054003 external-priority patent/WO2013182928A1/en
Publication of JP2015518765A publication Critical patent/JP2015518765A/ja
Publication of JP2015518765A5 publication Critical patent/JP2015518765A5/ja
Application granted granted Critical
Publication of JP6316283B2 publication Critical patent/JP6316283B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2015515605A 2012-06-05 2013-05-16 Ｘ線ｃｔイメージャの動き層分解較正 Expired - Fee Related JP6316283B2 (ja)

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

Publications (3)

Publication Number Publication Date
JP2015518765A JP2015518765A (ja) 2015-07-06
JP2015518765A5 true JP2015518765A5 (https=) 2017-05-25
JP6316283B2 JP6316283B2 (ja) 2018-04-25

Family

ID=48793324

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015515605A Expired - Fee Related JP6316283B2 (ja) 2012-06-05 2013-05-16 Ｘ線ｃｔイメージャの動き層分解較正

Country Status (6)

Country Link
US (1) US9636079B2 (https=)
EP (1) EP2854645B1 (https=)
JP (1) JP6316283B2 (https=)
CN (1) CN104334081B (https=)
RU (1) RU2014154006A (https=)
WO (1) WO2013182928A1 (https=)

Families Citing this family (33)

* 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
US9782138B2 (en) 2014-10-01 2017-10-10 Koninklijke Philips N.V. Imaging apparatus and method
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
US10835193B2 (en) * 2016-09-08 2020-11-17 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)
JP6858259B2 (ja) * 2016-12-21 2021-04-14 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． ショートスキャン偏心検出器ｘ線トモグラフィのための冗長重み付け
FI131860B1 (en) * 2017-03-17 2026-01-13 Planmeca Oy Self-calibrating medical imaging device
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
CN121053235B (zh) * 2025-07-18 2026-02-06 北京量子信息科学研究院 用于激光等离子体加速器的图像亮场矫正的方法及装置、电子设备及存储介质

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
US5963612A (en) * 1997-12-31 1999-10-05 Siemens Corporation Research, Inc. Apparatus for C-arm calibration for 3D reconstruction in an imaging system utilizing planar transformation
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
JP4822634B2 (ja) * 2000-08-31 2011-11-24 シーメンス アクチエンゲゼルシヤフト 対象物の案内のための座標変換を求める方法
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
US7065393B2 (en) * 2002-07-11 2006-06-20 Cedara Software Corp. Apparatus, system and method of calibrating medical imaging systems
US6973158B2 (en) * 2003-06-25 2005-12-06 Besson Guy M Multi-target X-ray tube for dynamic multi-spectral limited-angle CT 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

Similar Documents

Publication Publication Date Title
JP6316283B2 (ja) Ｘ線ｃｔイメージャの動き層分解較正
JP2015518765A5 (https=)
JP6215449B2 (ja) Ｘ線ｃｔ装置、及び処理装置
US20140119500A1 (en) X-ray imaging device and calibration method therefor
US8184765B2 (en) Radiography apparatus
JP2013513418A (ja) 微分位相コントラストイメージングシステム
CN106999125A (zh) 源‑检测器布置结构
WO2010061810A1 (ja) 放射線撮像装置
JP6369206B2 (ja) Ｘ線撮影システム及び画像処理装置
CN108289649B (zh) 用于对对象进行x射线成像的装置
JPWO2019008620A1 (ja) Ｘ線ｃｔ装置
JP5600271B2 (ja) 放射線撮影装置および方法並びにプログラム
CN112971816B (zh) 用于焦点运动检测和校正的系统和方法
JP2017213010A (ja) タルボ撮影装置
Urban et al. Correction for X-ray scatter and detector crosstalk in dark-field radiography
JP2015167860A (ja) Ｘ線コンピュータ断層撮影装置、位置ずれ特定方法、および位置ずれ特定プログラム
JP5608441B2 (ja) 放射線撮影装置および方法並びにプログラム
CN113453623A (zh) 用于dax成像的全视场散射估计
JP7387814B2 (ja) Ｘ方向及びｙ方向の両方向での焦点スポット運動の検出及び補正のためのシステム及び方法
US10533957B2 (en) Radiographic image generating device
JP2015019991A (ja) 検出器モジュール位置測定方法および放射線断層撮影装置並びにプログラム
US7949174B2 (en) System and method for calibrating an X-ray detector
EP4555936A1 (en) X-ray imaging with in-line calibration
JP7146707B2 (ja) 放射線撮影装置
WO2019123758A1 (ja) Ｘ線位相差撮像システム