DE60205682D1 - Bildverarbeitungsverfahren mit Korrektur der Strahlungsaufhärtung - Google Patents

Bildverarbeitungsverfahren mit Korrektur der Strahlungsaufhärtung

Info

Publication number
DE60205682D1
DE60205682D1 DE60205682T DE60205682T DE60205682D1 DE 60205682 D1 DE60205682 D1 DE 60205682D1 DE 60205682 T DE60205682 T DE 60205682T DE 60205682 T DE60205682 T DE 60205682T DE 60205682 D1 DE60205682 D1 DE 60205682D1
Authority
DE
Germany
Prior art keywords
correction
image processing
processing method
radiation hardening
hardening
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.)
Expired - Lifetime
Application number
DE60205682T
Other languages
English (en)
Other versions
DE60205682T2 (de
Inventor
Satoru Ohishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of DE60205682D1 publication Critical patent/DE60205682D1/de
Application granted granted Critical
Publication of DE60205682T2 publication Critical patent/DE60205682T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/48Diagnostic techniques
    • A61B6/481Diagnostic techniques involving the use of contrast agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/48Diagnostic techniques
    • A61B6/482Diagnostic techniques involving multiple energy imaging
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/50Clinical applications
    • A61B6/504Clinical applications involving diagnosis of blood vessels, e.g. by angiography
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR 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
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00Image generation
    • G06T2211/40Computed tomography
    • G06T2211/404Angiography
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00X-ray or gamma ray systems or devices
    • Y10S378/901Computer tomography program or processor
DE2002605682 2001-06-21 2002-06-20 Bildverarbeitungsverfahren mit Korrektur der Strahlungsaufhärtung Expired - Lifetime DE60205682T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001188237A JP4854137B2 (ja) 2001-06-21 2001-06-21 医用画像診断装置

Publications (2)

Publication Number Publication Date
DE60205682D1 true DE60205682D1 (de) 2005-09-29
DE60205682T2 DE60205682T2 (de) 2006-06-14

Family

ID=19027375

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2002605682 Expired - Lifetime DE60205682T2 (de) 2001-06-21 2002-06-20 Bildverarbeitungsverfahren mit Korrektur der Strahlungsaufhärtung

Country Status (4)

Country Link
US (1) US6845142B2 (de)
EP (1) EP1271408B1 (de)
JP (1) JP4854137B2 (de)
DE (1) DE60205682T2 (de)

Families Citing this family (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7054406B2 (en) * 2002-09-05 2006-05-30 Kabushiki Kaisha Toshiba X-ray CT apparatus and method of measuring CT values
JP2004105568A (ja) * 2002-09-20 2004-04-08 Toshiba Corp X線診断装置
DE10306016A1 (de) * 2003-02-13 2004-09-02 Siemens Ag Ermittlungsverfahren für eine Rekonstruktion eines dreidimensionalen Objekts
US9379910B2 (en) * 2003-07-29 2016-06-28 Blackberry Limited System and method of mimetic messaging settings selection
US7676257B2 (en) * 2003-11-25 2010-03-09 General Electric Company Method and apparatus for segmenting structure in CT angiography
US7391892B2 (en) * 2003-11-26 2008-06-24 Ge Medical Systems, Inc. Universal digital subtraction phantom and analysis system and method
EP1700137B1 (de) * 2003-12-16 2008-09-10 Philips Intellectual Property & Standards GmbH Korrektur von durch den heel-effekt verursachten artefakten
CN100399998C (zh) * 2003-12-29 2008-07-09 Ge医疗系统环球技术有限公司 X射线ct装置
WO2005076222A1 (en) * 2004-02-09 2005-08-18 Philips Intellectual Property & Standards Gmbh Correction of artifacts caused by high attenuating objects
DE602005013189D1 (de) * 2004-02-11 2009-04-23 Philips Intellectual Property Vorrichtung und verfahren zur verabreitung von schnittbildern
US7369695B2 (en) * 2004-08-20 2008-05-06 General Electric Company Method and apparatus for metal artifact reduction in 3D X-ray image reconstruction using artifact spatial information
JP4585815B2 (ja) * 2004-09-03 2010-11-24 キヤノン株式会社 情報処理装置、撮影システム、吸収係数補正方法、及びコンピュータプログラム
DE102004057308A1 (de) * 2004-11-26 2006-07-13 Siemens Ag Angiographische Röntgendiagnostikeinrichtung zur Rotationsangiographie
JP4851723B2 (ja) * 2005-03-04 2012-01-11 富士通株式会社 内部構造画像取得装置、内部構造画像取得方法および内部構造画像取得プログラム
US8784336B2 (en) 2005-08-24 2014-07-22 C. R. Bard, Inc. Stylet apparatuses and methods of manufacture
US7672421B2 (en) * 2005-10-12 2010-03-02 Siemens Medical Solutions Usa, Inc. Reduction of streak artifacts in low dose CT imaging through multi image compounding
DE102005051620A1 (de) * 2005-10-27 2007-05-03 Siemens Ag Verfahren zur Rekonstruktion einer tomographischen Darstellung eines Objektes
EP1782734B1 (de) * 2005-11-05 2018-10-24 Ziehm Imaging GmbH Vorrichtung zur Verbesserung der Volumenrekonstruktion
US7412023B2 (en) * 2006-02-28 2008-08-12 Toshiba Medical Systems Corporation X-ray diagnostic apparatus
US8388546B2 (en) 2006-10-23 2013-03-05 Bard Access Systems, Inc. Method of locating the tip of a central venous catheter
US7794407B2 (en) 2006-10-23 2010-09-14 Bard Access Systems, Inc. Method of locating the tip of a central venous catheter
US20080167552A1 (en) * 2007-01-04 2008-07-10 General Electric Company System and method of generating an image of a contrast agent injected into an imaged subject
US7680240B2 (en) * 2007-03-30 2010-03-16 General Electric Company Iterative reconstruction of tomographic image data method and system
DE102007016319A1 (de) * 2007-04-04 2008-10-09 Siemens Ag Ermittlungsverfahren zum Ermitteln einer endgültigen dreidimensionalen Rekonstruktion eines Untersuchungsobjekts durch mehrfache Segmentierung von Metall und hiermit korrespondierende einrichtungstechnische Gegenstände
KR100900434B1 (ko) * 2007-04-16 2009-06-01 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 전후방향의 완충수단이 장착된 중장비용 시이트
JP4943221B2 (ja) * 2007-05-07 2012-05-30 朝日レントゲン工業株式会社 放射線撮像装置及び断層像生成方法
JP5117792B2 (ja) * 2007-08-27 2013-01-16 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 記憶媒体及びx線ctシステム
US9521961B2 (en) 2007-11-26 2016-12-20 C. R. Bard, Inc. Systems and methods for guiding a medical instrument
US10751509B2 (en) 2007-11-26 2020-08-25 C. R. Bard, Inc. Iconic representations for guidance of an indwelling medical device
US8849382B2 (en) 2007-11-26 2014-09-30 C. R. Bard, Inc. Apparatus and display methods relating to intravascular placement of a catheter
US10449330B2 (en) 2007-11-26 2019-10-22 C. R. Bard, Inc. Magnetic element-equipped needle assemblies
US8781555B2 (en) 2007-11-26 2014-07-15 C. R. Bard, Inc. System for placement of a catheter including a signal-generating stylet
US9649048B2 (en) 2007-11-26 2017-05-16 C. R. Bard, Inc. Systems and methods for breaching a sterile field for intravascular placement of a catheter
ES2651898T3 (es) 2007-11-26 2018-01-30 C.R. Bard Inc. Sistema integrado para la colocación intravascular de un catéter
US10524691B2 (en) 2007-11-26 2020-01-07 C. R. Bard, Inc. Needle assembly including an aligned magnetic element
US9636031B2 (en) 2007-11-26 2017-05-02 C.R. Bard, Inc. Stylets for use with apparatus for intravascular placement of a catheter
US7801264B2 (en) * 2007-12-19 2010-09-21 General Electric Company Method for calibrating a dual -spectral computed tomography (CT) system
JP5039570B2 (ja) * 2008-01-09 2012-10-03 キヤノン株式会社 表示装置、映像表示システム、及び表示方法
US8478382B2 (en) 2008-02-11 2013-07-02 C. R. Bard, Inc. Systems and methods for positioning a catheter
JP5269495B2 (ja) * 2008-06-20 2013-08-21 株式会社東芝 X線ct装置
ES2525525T3 (es) 2008-08-22 2014-12-26 C.R. Bard, Inc. Conjunto de catéter que incluye conjuntos de sensor de ECG y magnético
JP5243160B2 (ja) * 2008-09-16 2013-07-24 株式会社日立メディコ X線ct装置
JP5317612B2 (ja) * 2008-09-26 2013-10-16 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 断層像処理装置、x線ct装置およびプログラム
US8437833B2 (en) 2008-10-07 2013-05-07 Bard Access Systems, Inc. Percutaneous magnetic gastrostomy
DE102009006831B3 (de) * 2009-01-30 2010-09-09 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Erzeugung eines CT-Bildes hoher Zeitauflösung
JP5361439B2 (ja) * 2009-02-23 2013-12-04 株式会社東芝 医用画像処理装置及び医用画像処理方法
ES2745861T3 (es) 2009-06-12 2020-03-03 Bard Access Systems Inc Aparato, algoritmo de procesamiento de datos asistido por ordenador y medio de almacenamiento informático para posicionar un dispositivo endovascular en o cerca del corazón
US9445734B2 (en) 2009-06-12 2016-09-20 Bard Access Systems, Inc. Devices and methods for endovascular electrography
US9532724B2 (en) 2009-06-12 2017-01-03 Bard Access Systems, Inc. Apparatus and method for catheter navigation using endovascular energy mapping
DE102009043213A1 (de) * 2009-09-28 2011-03-31 Siemens Aktiengesellschaft Effiziente Korrektur von Polychromieeffekten bei der Bildrekonstruktion
US10639008B2 (en) 2009-10-08 2020-05-05 C. R. Bard, Inc. Support and cover structures for an ultrasound probe head
WO2011044421A1 (en) 2009-10-08 2011-04-14 C. R. Bard, Inc. Spacers for use with an ultrasound probe
DE102009051384A1 (de) * 2009-10-30 2011-05-12 Friedrich-Alexander-Universität Erlangen-Nürnberg Strahlaufhärtungskorrektur für CT-Perfusionsmessungen
US8160206B2 (en) * 2009-12-23 2012-04-17 General Electric Company Dual-energy imaging at reduced sample rates
CN102821679B (zh) 2010-02-02 2016-04-27 C·R·巴德股份有限公司 用于导管导航和末端定位的装置和方法
EP2912999B1 (de) 2010-05-28 2022-06-29 C. R. Bard, Inc. Vorrichtung zur Verwendung mit einem Nadeleinsatz-Führungssystem
ES2778041T3 (es) 2010-05-28 2020-08-07 Bard Inc C R Aparato para su uso con sistema de guiado de inserción de aguja
WO2012024577A2 (en) 2010-08-20 2012-02-23 C.R. Bard, Inc. Reconfirmation of ecg-assisted catheter tip placement
US8801693B2 (en) 2010-10-29 2014-08-12 C. R. Bard, Inc. Bioimpedance-assisted placement of a medical device
WO2012063831A1 (ja) * 2010-11-10 2012-05-18 東芝メディカルシステムズ株式会社 画像処理装置及びx線診断装置
EP2652709B1 (de) 2010-12-17 2015-06-17 Koninklijke Philips N.V. Bildgebungssystem zur abbildung eines bestimmten bereiches
CN103314392B (zh) * 2011-01-06 2016-07-13 皇家飞利浦电子股份有限公司 用于对对象成像的成像系统
AU2012278809B2 (en) 2011-07-06 2016-09-29 C.R. Bard, Inc. Needle length determination and calibration for insertion guidance system
USD699359S1 (en) 2011-08-09 2014-02-11 C. R. Bard, Inc. Ultrasound probe head
USD724745S1 (en) 2011-08-09 2015-03-17 C. R. Bard, Inc. Cap for an ultrasound probe
US9211107B2 (en) 2011-11-07 2015-12-15 C. R. Bard, Inc. Ruggedized ultrasound hydrogel insert
US20150066436A1 (en) * 2012-03-02 2015-03-05 London Health Sciences Centre Research Inc. Kinetic deconvolution optical reconstruction method
EP2861153A4 (de) 2012-06-15 2016-10-19 Bard Inc C R Vorrichtung und verfahren zum nachweis einer abnehmbaren kappe auf einer ultraschallsonde
CN103745488A (zh) * 2013-12-31 2014-04-23 沈阳东软医疗系统有限公司 一种计算机断层成像中生成投影数据的方法和装置
CN105979868B (zh) 2014-02-06 2020-03-10 C·R·巴德股份有限公司 用于血管内装置的导向和放置的系统和方法
KR102096410B1 (ko) * 2014-05-02 2020-04-03 삼성전자주식회사 의료 영상 장치 및 그 제어 방법
CN106659456B (zh) * 2014-06-12 2021-03-12 皇家飞利浦有限公司 对比剂剂量模拟
US9619889B2 (en) * 2014-10-21 2017-04-11 General Electric Company Methods and systems for normalizing contrast across multiple acquisitions
US9649083B2 (en) 2014-12-10 2017-05-16 General Electric Company System and method for recalibrating a monochromatic image
US10973584B2 (en) 2015-01-19 2021-04-13 Bard Access Systems, Inc. Device and method for vascular access
US10349890B2 (en) 2015-06-26 2019-07-16 C. R. Bard, Inc. Connector interface for ECG-based catheter positioning system
US11000207B2 (en) 2016-01-29 2021-05-11 C. R. Bard, Inc. Multiple coil system for tracking a medical device
CN110072457A (zh) 2016-12-15 2019-07-30 皇家飞利浦有限公司 对脉管结构进行可视化
US10186055B2 (en) * 2017-03-23 2019-01-22 Shimadzu Corporation DRR image generation method and DRR image generation apparatus
WO2019041107A1 (en) 2017-08-28 2019-03-07 Shenzhen United Imaging Healthcare Co., Ltd. SYSTEM AND METHOD FOR REMOVING HARD TISSUE IN AN IMAGE OF TOMODENSITOMETRY
US11419566B2 (en) * 2017-11-14 2022-08-23 General Electric Company Systems and methods for improving image quality with three-dimensional scout
US10930064B2 (en) 2018-02-08 2021-02-23 Covidien Lp Imaging reconstruction system and method
WO2020081373A1 (en) 2018-10-16 2020-04-23 Bard Access Systems, Inc. Safety-equipped connection systems and methods thereof for establishing electrical connections

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01259842A (ja) * 1988-04-11 1989-10-17 Toshiba Corp 放射線診断装置
JPH06142094A (ja) 1992-11-10 1994-05-24 Hitachi Medical Corp ビームハードニング補正機能を持つx線ct装置
JPH06233757A (ja) * 1993-02-12 1994-08-23 Hitachi Ltd 3次元撮影装置
JP3414471B2 (ja) 1994-01-24 2003-06-09 株式会社東芝 X線ct装置
US5953444A (en) * 1997-10-22 1999-09-14 University Of Pennsylvania Method for improved correction of spectrum hardening artifacts in computed tomography images
DE10048775B4 (de) * 2000-09-29 2006-02-02 Siemens Ag Röntgen-Computertomographieeinrichtung
DE10051462A1 (de) * 2000-10-17 2002-04-25 Siemens Ag Verfahren zur Strahlaufhärtungskorrektur für ein mittels eines CT-Geräts aufgenommenes Ausgangsbild

Also Published As

Publication number Publication date
EP1271408B1 (de) 2005-08-24
US20030031299A1 (en) 2003-02-13
EP1271408A3 (de) 2003-12-10
JP2003000580A (ja) 2003-01-07
DE60205682T2 (de) 2006-06-14
JP4854137B2 (ja) 2012-01-18
EP1271408A2 (de) 2003-01-02
US6845142B2 (en) 2005-01-18

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