FR2273439B1 - - Google Patents

Info

Publication number
FR2273439B1
FR2273439B1 FR7502914A FR7502914A FR2273439B1 FR 2273439 B1 FR2273439 B1 FR 2273439B1 FR 7502914 A FR7502914 A FR 7502914A FR 7502914 A FR7502914 A FR 7502914A FR 2273439 B1 FR2273439 B1 FR 2273439B1
Authority
FR
France
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
Application number
FR7502914A
Other languages
French (fr)
Other versions
FR2273439A1 (sv
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.)
EMI Ltd
Original Assignee
EMI Ltd
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 EMI Ltd filed Critical EMI Ltd
Publication of FR2273439A1 publication Critical patent/FR2273439A1/fr
Application granted granted Critical
Publication of FR2273439B1 publication Critical patent/FR2273439B1/fr
Expired 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
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Pulmonology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Medical Treatment And Welfare Office Work (AREA)
FR7502914A 1974-01-31 1975-01-30 Expired FR2273439B1 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4562/74A GB1493594A (en) 1974-01-31 1974-01-31 Radiography

Publications (2)

Publication Number Publication Date
FR2273439A1 FR2273439A1 (sv) 1975-12-26
FR2273439B1 true FR2273439B1 (sv) 1980-09-05

Family

ID=9779496

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7502914A Expired FR2273439B1 (sv) 1974-01-31 1975-01-30

Country Status (5)

Country Link
JP (2) JPS5436037B2 (sv)
DE (2) DE2503980A1 (sv)
FR (1) FR2273439B1 (sv)
GB (1) GB1493594A (sv)
NL (1) NL174700C (sv)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2611706C2 (de) * 1975-02-21 1984-09-27 Emi Ltd., Hayes Computer-Tomograph
GB1571800A (en) * 1976-01-15 1980-07-16 Emi Ltd Radiography
US4190772A (en) * 1976-04-19 1980-02-26 Varian Associates, Inc. Tomographic scanning apparatus having detector signal digitizing means mounted to rotate with detectors
GB1584954A (en) * 1976-08-17 1981-02-18 Emi Ltd Radiography
JPS5394787A (en) * 1977-01-31 1978-08-19 Toshiba Corp Tomographic diagnostic equipment by radiation
JPS53127880U (sv) * 1977-02-28 1978-10-11
JPS53122397A (en) * 1977-04-01 1978-10-25 Toshiba Corp Tomographic unit by radiant ray
JPS5932122Y2 (ja) * 1977-05-11 1984-09-10 ニチコン株式会社 アルミニウム電解コンデンサ
GB1603345A (en) * 1977-05-13 1981-11-25 Hitachi Medical Corp Scanning apparatus for cross-sectional inspection equipment
GB1576286A (en) * 1977-07-12 1980-10-08 Emi Ltd Radiograhy
JPS5949009B2 (ja) * 1977-09-12 1984-11-30 株式会社東芝 放射線断層撮影装置
DE2816462A1 (de) * 1978-04-15 1979-10-25 Philips Patentverwaltung Verfahren zur erzeugung verbesserter rekonstruktionsbilder in computer-tomographiegeraeten
JPS59168840A (ja) * 1983-03-17 1984-09-22 横河メディカルシステム株式会社 計算機トモグラフイ装置
US4578753A (en) * 1983-08-29 1986-03-25 Elscint Ltd. Systems and methods for minimizing noncoplanarity artifacts
JPH0799539B2 (ja) * 1985-09-30 1995-10-25 ジーイー横河メディカルシステム株式会社 放射線断層撮影装置
JPS63255042A (ja) * 1987-04-10 1988-10-21 株式会社東芝 Ｃｔ装置におけるデ−タ収集方式
JPH01192336A (ja) * 1988-01-27 1989-08-02 Toshiba Corp Ｘ線ｃｔスキャナ装置
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
DE10144261B4 (de) * 2001-09-08 2007-12-20 Forschungszentrum Dresden - Rossendorf E.V. Anordnung zur quantitativen Bildrekonstruktion

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1941433U (de) 1966-04-01 1966-06-30 Rudolf Rotzel Fa Zusammenklappbares fahr- und lagergestell fuer polstermoebel.
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
GB1471531A (en) 1973-04-25 1977-04-27 Emi Ltd Radiography
GB1478123A (en) 1973-08-18 1977-06-29 Emi Ltd Tomography

Also Published As

Publication number Publication date
JPS5436037B2 (sv) 1979-11-07
DE2559427A1 (de) 1976-12-09
JPS6147539B2 (sv) 1986-10-20
NL174700C (nl) 1986-08-18
DE2559427C3 (sv) 1987-12-03
JPS5538185A (en) 1980-03-17
DE2559427B2 (de) 1979-05-23
DE2503980B2 (sv) 1978-10-12
GB1493594A (en) 1977-11-30
JPS50109782A (sv) 1975-08-29
NL7501207A (nl) 1975-08-04
DE2503980A1 (de) 1975-08-07
FR2273439A1 (sv) 1975-12-26
NL174700B (nl) 1984-03-01

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Legal Events

Date Code Title Description
TP Transmission of property