FR2397179A1 - Appareil de tomographie a traitement ameliore - Google Patents

Appareil de tomographie a traitement ameliore

Info

Publication number
FR2397179A1
FR2397179A1 FR7820314A FR7820314A FR2397179A1 FR 2397179 A1 FR2397179 A1 FR 2397179A1 FR 7820314 A FR7820314 A FR 7820314A FR 7820314 A FR7820314 A FR 7820314A FR 2397179 A1 FR2397179 A1 FR 2397179A1
Authority
FR
France
Prior art keywords
tomography device
improved treatment
data
sort
simplification
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
FR7820314A
Other languages
English (en)
French (fr)
Other versions
FR2397179B1 (enExample
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 FR2397179A1 publication Critical patent/FR2397179A1/fr
Application granted granted Critical
Publication of FR2397179B1 publication Critical patent/FR2397179B1/fr
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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms
    • G06T12/10—

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (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)
  • Medical Treatment And Welfare Office Work (AREA)
FR7820314A 1977-07-12 1978-07-07 Appareil de tomographie a traitement ameliore Granted FR2397179A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB29256/77A GB1576286A (en) 1977-07-12 1977-07-12 Radiograhy

Publications (2)

Publication Number Publication Date
FR2397179A1 true FR2397179A1 (fr) 1979-02-09
FR2397179B1 FR2397179B1 (enExample) 1983-03-04

Family

ID=10288627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7820314A Granted FR2397179A1 (fr) 1977-07-12 1978-07-07 Appareil de tomographie a traitement ameliore

Country Status (4)

Country Link
JP (1) JPS5419693A (enExample)
DE (1) DE2830832C2 (enExample)
FR (1) FR2397179A1 (enExample)
GB (1) GB1576286A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2636752A1 (fr) * 1988-09-16 1990-03-23 Gen Electric Cgr Procede et systeme de correction des defauts d'images d'un scanner dus aux deplacements de ce dernier

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1104727A (en) * 1977-08-18 1981-07-07 Godfrey N. Hounsfield Rotation-only ct scanner with beam deflection
US4278889A (en) * 1979-10-15 1981-07-14 Ohio Nuclear, Inc. Current amplifier with automatic drift correction for tomographic scanners
JPS59158800A (ja) * 1983-02-25 1984-09-08 新明和工業株式会社 高所作業車の安全装置
WO1985004090A1 (fr) * 1984-03-15 1985-09-26 Yokogawa Medical Systems, Ltd. Processeur d'images ct a rayons x

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2019365A1 (enExample) * 1968-08-23 1970-07-03 Emi Ltd
FR2292985A1 (fr) * 1974-11-29 1976-06-25 Univ Leland Stanford Junior Detecteur de rayons x ou g sensible a la position et procede de tomographie a trois dimensions utilisant ce detecteur
FR2304320A1 (fr) * 1975-03-18 1976-10-15 Emi Ltd Appareil de tomographie avec compensation des variations de spectre d'energie de la source de rayonnement
BE850233A (fr) * 1977-01-10 1977-05-02 Emi Ltd Appareil de tomographie a compensation de sensibilite des detecteurs
FR2350820A1 (fr) * 1976-05-13 1977-12-09 Emi Ltd Perfectionnements apportes aux appareils de tomographie axiale

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1430989A (en) * 1971-06-30 1976-04-07 Clarke Gravely Corp Floor or carpet cleaning apparatus
GB1471531A (en) * 1973-04-25 1977-04-27 Emi Ltd Radiography
GB1493594A (en) * 1974-01-31 1977-11-30 Emi Ltd Radiography
GB1571509A (en) * 1976-03-03 1980-07-16 Emi Ltd Radiography

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2019365A1 (enExample) * 1968-08-23 1970-07-03 Emi Ltd
FR2292985A1 (fr) * 1974-11-29 1976-06-25 Univ Leland Stanford Junior Detecteur de rayons x ou g sensible a la position et procede de tomographie a trois dimensions utilisant ce detecteur
FR2304320A1 (fr) * 1975-03-18 1976-10-15 Emi Ltd Appareil de tomographie avec compensation des variations de spectre d'energie de la source de rayonnement
FR2350820A1 (fr) * 1976-05-13 1977-12-09 Emi Ltd Perfectionnements apportes aux appareils de tomographie axiale
BE850233A (fr) * 1977-01-10 1977-05-02 Emi Ltd Appareil de tomographie a compensation de sensibilite des detecteurs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2636752A1 (fr) * 1988-09-16 1990-03-23 Gen Electric Cgr Procede et systeme de correction des defauts d'images d'un scanner dus aux deplacements de ce dernier
EP0360653A1 (fr) * 1988-09-16 1990-03-28 General Electric Cgr S.A. Procédé et système de correction des défauts d'images d'un scanner dus aux déplacements de ce dernier

Also Published As

Publication number Publication date
DE2830832C2 (de) 1985-07-04
DE2830832A1 (de) 1979-01-25
JPS5419693A (en) 1979-02-14
FR2397179B1 (enExample) 1983-03-04
GB1576286A (en) 1980-10-08
JPS5543770B2 (enExample) 1980-11-08

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse