JPS5442993A - Tomograph and method of operating same - Google Patents

Tomograph and method of operating same

Info

Publication number
JPS5442993A
JPS5442993A JP9944978A JP9944978A JPS5442993A JP S5442993 A JPS5442993 A JP S5442993A JP 9944978 A JP9944978 A JP 9944978A JP 9944978 A JP9944978 A JP 9944978A JP S5442993 A JPS5442993 A JP S5442993A
Authority
JP
Japan
Prior art keywords
tomograph
operating same
operating
same
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
JP9944978A
Other languages
English (en)
Other versions
JPS6340538B2 (ja
Inventor
Goodon Baanaado
Niyuuman Reoporudo
Dobusu Jiyon
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of JPS5442993A publication Critical patent/JPS5442993A/ja
Publication of JPS6340538B2 publication Critical patent/JPS6340538B2/ja
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/421—Filtered back projection [FBP]
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • General Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Algebra (AREA)
  • Pulmonology (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Image Processing (AREA)
  • Medical Treatment And Welfare Office Work (AREA)
JP9944978A 1977-08-15 1978-08-15 Tomograph and method of operating same Granted JPS5442993A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/824,632 US4135247A (en) 1977-08-15 1977-08-15 Tomography signal processing system

Publications (2)

Publication Number Publication Date
JPS5442993A true JPS5442993A (en) 1979-04-05
JPS6340538B2 JPS6340538B2 (ja) 1988-08-11

Family

ID=25241907

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9944978A Granted JPS5442993A (en) 1977-08-15 1978-08-15 Tomograph and method of operating same

Country Status (4)

Country Link
US (1) US4135247A (ja)
EP (1) EP0004258B1 (ja)
JP (1) JPS5442993A (ja)
DE (1) DE2861601D1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58177636A (ja) * 1982-04-13 1983-10-18 横河電機株式会社 Ｃｔ装置におけるデ−タ処理方式
JP2014506491A (ja) * 2011-01-21 2014-03-17 マーキュリー コンピューター システムズ， インク． コンピュータ断層撮影（ｃｔ）のための逆投影の最適化実装

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US4293912A (en) * 1977-09-30 1981-10-06 Technicare Corporation Tomographic apparatus
DE2754361C2 (de) * 1977-12-07 1983-07-14 N.V. Philips' Gloeilampenfabrieken, 5621 Eindhoven Verfahren zur Verminderung von Bildfehlern in Computer-Tomographiebildern
JPS5481095A (en) * 1977-12-12 1979-06-28 Toshiba Corp Computer tomography device
US4222104A (en) * 1978-11-02 1980-09-09 E M I Limited Radiography
NL7905282A (nl) * 1979-07-06 1981-01-08 Philips Nv Werkwijze en inrichting voor het bepalen van een stralingsabsorptieverdeling in een vlak van een lichaam.
US4280178A (en) * 1979-08-24 1981-07-21 General Electric Company Computerized tomographic reconstruction method utilizing reflection
US4412288A (en) * 1980-04-01 1983-10-25 Michael Herman Experiment-machine
US4493039A (en) * 1980-05-06 1985-01-08 President And Directors Of Georgetown University Apparatus and method for image reproduction of materials using their magnetic and electric properties
FR2486269B1 (fr) * 1980-07-04 1986-03-28 Thomson Csf Systeme de traitement et de memorisation de donnees numeriques, notamment pour tomodensitometre, et tomodensitometre comportant un tel systeme
JPS5752967A (en) * 1980-09-17 1982-03-29 Nec Corp Device for immediately calculating and displaying dose distribution
IL64106A0 (en) * 1981-06-12 1982-01-31 Analogic Corp Continuous wave fan beam tomography system
US4386528A (en) * 1981-08-07 1983-06-07 General Electric Company Method and means for generating pixel data in an ultrasonic scanning system
JPS5894833A (ja) * 1981-12-01 1983-06-06 株式会社東芝 Ｘ線ｃｔ装置
US4504438A (en) * 1981-12-07 1985-03-12 Levy Richard H Method and apparatus for determining the density characteristics of underground earth formations
JPS58118735A (ja) * 1982-01-06 1983-07-14 株式会社東芝 コンピユ−タ断層撮影装置
US4504909A (en) * 1982-09-30 1985-03-12 General Electric Company Method of using an array processor for real time processing
US4554633A (en) * 1982-09-30 1985-11-19 General Electric Company Sampled data CT system including analog filter and compensating digital filter
JPS59111738A (ja) * 1982-12-16 1984-06-28 株式会社東芝 Ｘ線断層撮影装置
JPS6085357A (ja) * 1983-10-17 1985-05-14 Toshiba Corp 核磁気共鳴映像装置
US4620288A (en) * 1983-10-26 1986-10-28 American Semiconductor Equipment Technologies Data handling system for a pattern generator
DE3342353A1 (de) * 1983-11-23 1985-05-30 Siemens AG, 1000 Berlin und 8000 München Verfahren zum betrieb eines computertomographen
US4744029A (en) * 1984-08-31 1988-05-10 Bio-Logic Systems Corporation Brain electrical activity analysis and mapping
US4680709A (en) * 1984-11-13 1987-07-14 General Electric Company Back projection image reconstruction apparatus and method
JPS61209641A (ja) * 1985-03-15 1986-09-17 株式会社東芝 Ｘ線ｃｔ装置
US4751644A (en) * 1985-10-28 1988-06-14 Picker International, Inc. Interleaved source fan reconstruction technique
JPS62126478A (ja) 1985-11-27 1987-06-08 Toshiba Corp イメ−ジプロセツサ
JPS62274471A (ja) * 1986-05-23 1987-11-28 Fanuc Ltd 画像処理装置
JPS63147440A (ja) * 1986-12-12 1988-06-20 横河メディカルシステム株式会社 Ｘ線断層撮影装置のデコンボリユ−シヨン処理方法
US5204943A (en) * 1986-12-22 1993-04-20 Yokogawa Medical Systems, Limited Image forming apparatus
DE3804938C2 (de) * 1987-02-18 1994-07-28 Canon Kk Bildverarbeitungseinrichtung
JP2691406B2 (ja) * 1988-01-14 1997-12-17 浜松ホトニクス株式会社 画像再構成装置
WO1989009973A1 (en) * 1988-04-13 1989-10-19 Analogic Corporation Backprojection apparatus and method
US4897788A (en) * 1988-04-18 1990-01-30 General Electric Company Image correction for computed tomography to remove crosstalk artifacts
JPH0212472A (ja) * 1988-06-30 1990-01-17 Yokogawa Medical Syst Ltd ２倍拡大機能を持った画像再構成方法及び装置
JPH0798039B2 (ja) * 1988-07-20 1995-10-25 三菱電機株式会社 コンピュータ断層撮影装置
NL8802184A (nl) * 1988-09-05 1990-04-02 Philips Nv Werkwijze en inrichting voor correctie van strooistralingseffecten in roentgenbeelden.
US4991193A (en) * 1988-11-25 1991-02-05 Picker International, Inc. System safety monitor for CT scanners
US5274565A (en) * 1990-10-03 1993-12-28 Board Of Regents, The University Of Texas System Process for making custom joint replacements
JP2643596B2 (ja) * 1990-11-29 1997-08-20 株式会社日立製作所 スカラ量分布表示方法
JPH0629845A (ja) * 1991-06-28 1994-02-04 Univ Columbia New York 量子化雑音低減方法及び装置
FR2696089B1 (fr) * 1992-09-25 1994-11-25 Gen Electric Cgr Dispositif de manipulation d'un appareil de radiologie.
DE4334937A1 (de) * 1993-10-13 1995-10-05 Siemens Ag Computertomograph
US5485528A (en) * 1993-10-15 1996-01-16 Star Technologies, Inc. Apparatus and method for back-projecting an image
US5689577A (en) * 1994-10-14 1997-11-18 Picker International, Inc. Procedure for the simplification of triangular surface meshes for more efficient processing
US5721843A (en) * 1995-08-31 1998-02-24 Lucent Technologies Inc. Optimizing network utilization by using image reconstruction techniques
US6067342A (en) * 1997-10-30 2000-05-23 Analogic Corporation Digital filmless X-ray projection imaging system and method
US6868490B1 (en) * 2000-06-21 2005-03-15 Pts Corporation Methods and apparatus for providing context switching between software tasks with reconfigurable control
JP3789728B2 (ja) * 1999-08-10 2006-06-28 ジーイー横河メディカルシステム株式会社 プロジェクションデータ補正方法および装置並びに放射線断層撮像装置
US6373919B1 (en) 1999-08-10 2002-04-16 Ge Yokogawa Medical Systems, Limited Projection data correction method and apparatus, and radiation tomographic imaging method and apparatus
GB2365736A (en) * 2000-08-05 2002-02-20 X Tek Systems Ltd Computed tomography
US6597761B1 (en) 2001-02-23 2003-07-22 Invision Technologies, Inc. Log evaluation using cylindrical projections
US6778681B2 (en) * 2001-05-09 2004-08-17 Invision Technologies, Inc. Analysis and presentation of internal features of logs
US7127096B2 (en) * 2001-11-20 2006-10-24 Accuimage Diagnostics Corp. Method and software for improving coronary calcium scoring consistency
DE10223309A1 (de) * 2002-05-24 2003-12-04 Philips Intellectual Property Datenerfassungssystem
US7149331B1 (en) 2002-09-03 2006-12-12 Cedara Software Corp. Methods and software for improving thresholding of coronary calcium scoring
US6757354B2 (en) * 2002-09-20 2004-06-29 Invision Technologies, Inc. Multi-view x-ray imaging of logs
US7120282B2 (en) * 2003-01-29 2006-10-10 General Electric Company Method and apparatus for correcting digital X-ray images
GB0320167D0 (en) * 2003-08-28 2003-10-01 Univ Leeds An on-line data processing EIT system
US7729526B2 (en) * 2003-09-09 2010-06-01 The Board Of Trustees Of The University Of Illinois Fast hierarchical tomography methods and apparatus
JP2005087592A (ja) * 2003-09-19 2005-04-07 Hitachi Ltd Ｘ線計測装置
JP3909059B2 (ja) * 2004-01-07 2007-04-25 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 放射線断層撮像装置およびそれを用いた撮像方法
US20050201605A1 (en) * 2004-03-11 2005-09-15 Jianying Li Methods and apparatus for CT smoothing to reduce artifacts
US20060011853A1 (en) * 2004-07-06 2006-01-19 Konstantinos Spartiotis High energy, real time capable, direct radiation conversion X-ray imaging system for Cd-Te and Cd-Zn-Te based cameras
CN102512187B (zh) 2004-11-16 2015-08-12 拜耳医疗保健公司 对病人体内的药物传播建模的***和方法
HUE034171T2 (en) 2004-11-24 2018-02-28 Bayer Healthcare Llc Tools, systems and procedures for fluid transfer
EP1731100B9 (en) * 2005-06-06 2013-01-23 Kabushiki Kaisha Toshiba Medical image display apparatus and medical image display system
RU2442215C2 (ru) * 2006-10-18 2012-02-10 Конинклейке Филипс Электроникс Н.В. Система формирования изображений, способ формирования изображений и компьютерная программа для формирования изображения интересующей области
US20100030073A1 (en) * 2006-12-29 2010-02-04 Medrad, Inc. Modeling of pharmaceutical propagation
EP2097835B1 (en) 2006-12-29 2018-05-30 Bayer Healthcare LLC Patient-based parameter generation systems for medical injection procedures
CN101690418B (zh) * 2007-05-31 2015-06-03 通用电气公司 促进修正图像重建中的增益波动的方法和***
US8428694B2 (en) * 2007-07-17 2013-04-23 Medrad, Inc. Methods for determination of parameters for a procedure, for estimation of cardiopulmonary function and for fluid delivery
US8608484B2 (en) * 2008-03-04 2013-12-17 Medrad, Inc. Dynamic anthropomorphic cardiovascular phantom
US8315449B2 (en) 2008-06-24 2012-11-20 Medrad, Inc. Identification of regions of interest and extraction of time value curves in imaging procedures
US9421330B2 (en) * 2008-11-03 2016-08-23 Bayer Healthcare Llc Mitigation of contrast-induced nephropathy
KR20180015279A (ko) 2010-06-24 2018-02-12 바이엘 헬쓰케어 엘엘씨 약물 전파 및 주입 프로토콜을 위한 파라미터 생성의 모델링
HUE056182T2 (hu) 2012-05-14 2022-01-28 Bayer Healthcare Llc Összeállítások és eljárások gyógyászati fluidum befecskendezési protokollok röntgencsõ-feszültség alapján történõ meghatározására
US9555379B2 (en) 2013-03-13 2017-01-31 Bayer Healthcare Llc Fluid path set with turbulent mixing chamber, backflow compensator
JP6162514B2 (ja) * 2013-07-12 2017-07-12 東芝メディカルシステムズ株式会社 磁気共鳴イメージング装置
US10898638B2 (en) 2016-03-03 2021-01-26 Bayer Healthcare Llc System and method for improved fluid delivery in multi-fluid injector systems
US11478581B2 (en) 2017-08-31 2022-10-25 Bayer Healthcare Llc Fluid injector system volume compensation system and method
AU2018326485B2 (en) 2017-08-31 2024-01-04 Bayer Healthcare Llc Injector pressure calibration system and method
WO2019046261A1 (en) 2017-08-31 2019-03-07 Bayer Healthcare Llc SYSTEM AND METHOD FOR MECHANICAL CALIBRATION OF FLUID INJECTOR SYSTEM AND DRIVE ELEMENT POSITION
US11141535B2 (en) 2017-08-31 2021-10-12 Bayer Healthcare Llc Fluid path impedance assessment for improving fluid delivery performance
EP3675929A1 (en) 2017-08-31 2020-07-08 Bayer Healthcare LLC Method for dynamic pressure control in a fluid injector system
JP6824133B2 (ja) * 2017-09-28 2021-02-03 富士フイルム株式会社 画像処理装置、画像処理方法、及び画像処理プログラム
JP7534123B2 (ja) 2020-05-12 2024-08-14 キヤノンメディカルシステムズ株式会社 Ｘ線検出器及びｘ線ｃｔ装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5028385A (ja) * 1973-04-25 1975-03-22

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GB1283915A (en) * 1968-08-23 1972-08-02 Emi Ltd A method of and apparatus for examination of a body by radiation such as x or gamma radiation
US4038551A (en) * 1973-04-25 1977-07-26 E M I Limited Circuit for signal data obtained from an axial tomographic scanning apparatus
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DE2511231A1 (de) * 1975-03-14 1976-09-23 Philips Patentverwaltung Anordnung zur ermittlung der absorption einer strahlung in einer ebene eines koerpers
US4042811A (en) * 1975-11-28 1977-08-16 Picker Corporation Tomography system having an ultrahigh-speed processing unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5028385A (ja) * 1973-04-25 1975-03-22

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58177636A (ja) * 1982-04-13 1983-10-18 横河電機株式会社 Ｃｔ装置におけるデ−タ処理方式
JP2014506491A (ja) * 2011-01-21 2014-03-17 マーキュリー コンピューター システムズ， インク． コンピュータ断層撮影（ｃｔ）のための逆投影の最適化実装

Also Published As

Publication number Publication date
JPS6340538B2 (ja) 1988-08-11
US4135247A (en) 1979-01-16
DE2861601D1 (en) 1982-03-11
EP0004258B1 (de) 1982-02-03
EP0004258A1 (de) 1979-10-03

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