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

    • 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; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation
    • G06T11/003Reconstruction from projections, e.g. tomography
    • G06T11/006Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00Image generation
    • G06T2211/40Computed tomography
    • G06T2211/421Filtered back projection [FBP]
    • 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

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

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4554633A (en) * 1982-09-30 1985-11-19 General Electric Company Sampled data CT system including analog filter and compensating digital filter
US4504909A (en) * 1982-09-30 1985-03-12 General Electric Company Method of using an array processor for real time processing
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
WO2005024722A2 (en) * 2003-09-09 2005-03-17 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
EP1812101A4 (en) * 2004-11-16 2014-04-23 Medrad Inc MODELING PHARMACEUTICAL DISSIPATION
HUE038724T2 (hu) 2004-11-24 2018-11-28 Bayer Healthcare Llc Eszközök és összeállítások fluidumbejuttatáshoz
EP1731100B9 (en) * 2005-06-06 2013-01-23 Kabushiki Kaisha Toshiba Medical image display apparatus and medical image display system
ATE492007T1 (de) * 2006-10-18 2011-01-15 Koninkl Philips Electronics Nv Bildgebungssystem, bildgebungsverfahren und computerprogramm zur abbildung eines interessensbereiches
WO2008082937A2 (en) * 2006-12-29 2008-07-10 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
WO2008147416A1 (en) * 2007-05-31 2008-12-04 General Electric Company Methods and systems to facilitate correcting gain fluctuations in image
WO2009012023A1 (en) * 2007-07-17 2009-01-22 Medrad, Inc. Devices, systems and 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
CN103221071B (zh) 2010-06-24 2016-09-21 拜耳医药保健有限公司 药物传输的建模和注射方案的参数产生
DK3489667T3 (da) 2012-05-14 2021-08-02 Bayer Healthcare Llc Systemer og fremgangsmåder til bestemmelse af protokoller for farmaceutisk væskeinjektion baseret på røntgenrørsspænding
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
EP3675931B1 (en) 2017-08-31 2021-08-11 Bayer Healthcare LLC Injector pressure calibration system and method
WO2019046260A1 (en) 2017-08-31 2019-03-07 Bayer Healthcare Llc METHOD FOR CONTROLLING DYNAMIC PRESSURE IN A FLUID INJECTOR SYSTEM
JP7317724B2 (ja) 2017-08-31 2023-07-31 バイエル・ヘルスケア・エルエルシー 液注入器システムの容積補償システムおよび方法
US11786652B2 (en) 2017-08-31 2023-10-17 Bayer Healthcare Llc System and method for drive member position and fluid injector system mechanical calibration
AU2018323442B2 (en) 2017-08-31 2024-06-27 Bayer Healthcare Llc Fluid path impedance assessment for improving fluid delivery performance
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4066903A (en) * 1974-07-20 1978-01-03 Emi Limited Radiology
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
US4135247A (en) 1979-01-16
EP0004258B1 (de) 1982-02-03
EP0004258A1 (de) 1979-10-03
DE2861601D1 (en) 1982-03-11
JPS6340538B2 (ja) 1988-08-11

Similar Documents

Publication Publication Date Title
JPS5442993A (en) Tomograph and method of operating same
JPS5459599A (en) Selector and method of using same
JPS5464695A (en) Substance composition and method
JPS5445473A (en) Method of and apparatus for remoteecontrolling medical apparatus
JPS5460396A (en) Copolyester and method of making same
JPS5422208A (en) Method of photogravuring
IL53122A0 (en) Nuclear reator and method of operating same
JPS5429388A (en) Method of making homoo and coopolymer of ethylene
PH14339A (en) 20-deozynarasin antibiotics and method of use thereof
JPS5490124A (en) Method of reduction
JPS53100785A (en) Device and method of producing same
JPS5454493A (en) Method of inspecting eyeground and its device
JPS53137998A (en) Composition of substance and method
GB2003712B (en) Dynamic plough assembly and method of operating same
JPS5433523A (en) Cementtbased structure and method of making same
JPS549154A (en) Forgeddjoint and method of forming same
JPS53120754A (en) Fillerrcontaining composition and method of making same
JPS5414927A (en) Lower alkyll22trii*lower*alkylsilylacetylenee nncarboethoxyglycinate and method of using same
JPS53119858A (en) 255azaavitaminnd3 and method of its preparation
JPS53108902A (en) Composition of substance and method
JPS53119833A (en) Method of purieying ppphenylenediamine
JPS5478334A (en) Corrosionnresistant linkkchain and method of making same
JPS549201A (en) Antienzyme kmm2753 and method of making same
JPS52105289A (en) Composition of substance and method
JPS5451439A (en) Computer system and method of operating same