FR2278310B1 - - Google Patents

Info

Publication number
FR2278310B1
FR2278310B1 FR7522567A FR7522567A FR2278310B1 FR 2278310 B1 FR2278310 B1 FR 2278310B1 FR 7522567 A FR7522567 A FR 7522567A FR 7522567 A FR7522567 A FR 7522567A FR 2278310 B1 FR2278310 B1 FR 2278310B1
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
FR7522567A
Other versions
FR2278310A1 (fr
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 FR2278310A1 publication Critical patent/FR2278310A1/fr
Application granted granted Critical
Publication of FR2278310B1 publication Critical patent/FR2278310B1/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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4071—Pencil beams
    • 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
    • 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

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
FR7522567A 1974-07-20 1975-07-18 Procede pour elaborer une representation de la distribution d'absorption d'un rayonnement par un corps Granted FR2278310A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32257/74A GB1515307A (en) 1974-07-20 1974-07-20 Image reconstruction

Publications (2)

Publication Number Publication Date
FR2278310A1 FR2278310A1 (fr) 1976-02-13
FR2278310B1 true FR2278310B1 (fr) 1982-03-19

Family

ID=10335797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7522567A Granted FR2278310A1 (fr) 1974-07-20 1975-07-18 Procede pour elaborer une representation de la distribution d'absorption d'un rayonnement par un corps

Country Status (6)

Country Link
US (1) US4002910A (fr)
DE (1) DE2532716C3 (fr)
FR (1) FR2278310A1 (fr)
GB (1) GB1515307A (fr)
HK (1) HK3079A (fr)
MY (1) MY7900014A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398251A (en) * 1974-12-19 1983-08-09 Emi Limited Radiography
US4088887A (en) * 1975-12-10 1978-05-09 Emi Limited Radiography method comprising determination of corrected absorption values for members of sets of mutually inclined beam paths
DE2556012A1 (de) * 1975-12-12 1977-06-16 Philips Patentverwaltung Verfahren und anordnung zur ermittlung der raeumlichen verteilung einer strahlung in einer ebene eines koerpers
DE2627885A1 (de) * 1976-06-22 1978-01-05 Philips Patentverwaltung Anordnung zur ermittlung der raeumlichen verteilung der absorption von strahlung in einer ebene eines koerpers
GB1589469A (en) * 1976-09-23 1981-05-13 Emi Ltd Radiography
JPS5481095A (en) * 1977-12-12 1979-06-28 Toshiba Corp Computer tomography device
GB1602072A (en) * 1978-05-12 1981-11-04 Emi Ltd Processing arrangements for constructing representations of parts of bodies
GB1602071A (en) * 1978-05-12 1981-11-04 Emi Ltd Processing arrangements for medical examination
US4222104A (en) * 1978-11-02 1980-09-09 E M I Limited Radiography
EP0024698B1 (fr) * 1979-08-24 1986-12-03 Siemens Aktiengesellschaft Dispositif de représentation bidimensionnelle du plan d'un objet par tomographie associée à un calculateur
CA1159957A (fr) * 1980-07-30 1984-01-03 James M. Gessert Circuit d'interpolation de temps reel
US4430749A (en) 1981-06-30 1984-02-07 Siemens Gammasonics, Inc. Medical imaging apparatus and method for furnishing difference images
US5400383A (en) * 1991-12-09 1995-03-21 General Electric Company Fluoroscopic imager with frame-filling apparatus

Family Cites Families (1)

* 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

Also Published As

Publication number Publication date
DE2532716B2 (de) 1981-01-08
MY7900014A (en) 1979-12-31
US4002910A (en) 1977-01-11
HK3079A (en) 1979-01-19
GB1515307A (en) 1978-06-21
FR2278310A1 (fr) 1976-02-13
DE2532716C3 (de) 1984-04-26
DE2532716A1 (de) 1976-02-12

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Legal Events

Date Code Title Description
TP Transmission of property