DE3574108D1 - Reconstruction of tomographic images of high definition based on absorption measurements - Google Patents

Reconstruction of tomographic images of high definition based on absorption measurements

Info

Publication number
DE3574108D1
DE3574108D1 DE8585400589T DE3574108T DE3574108D1 DE 3574108 D1 DE3574108 D1 DE 3574108D1 DE 8585400589 T DE8585400589 T DE 8585400589T DE 3574108 T DE3574108 T DE 3574108T DE 3574108 D1 DE3574108 D1 DE 3574108D1
Authority
DE
Germany
Prior art keywords
reconstruction
high definition
tomographic images
absorption measurements
definition based
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.)
Expired
Application number
DE8585400589T
Other languages
English (en)
Inventor
Siv-Cheng Tan
Gall Didier Le
Claude Benchimol
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.)
General Electric CGR SA
Original Assignee
General Electric CGR SA
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 General Electric CGR SA filed Critical General Electric CGR SA
Application granted granted Critical
Publication of DE3574108D1 publication Critical patent/DE3574108D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
    • 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]
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Pulmonology (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)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Nuclear Medicine (AREA)
  • Image Analysis (AREA)
DE8585400589T 1984-03-30 1985-03-26 Reconstruction of tomographic images of high definition based on absorption measurements Expired DE3574108D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8405042A FR2562371A1 (fr) 1984-03-30 1984-03-30 Procede de reconstruction d'une image a haute resolution, par tomodensitometrie

Publications (1)

Publication Number Publication Date
DE3574108D1 true DE3574108D1 (en) 1989-12-14

Family

ID=9302657

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585400589T Expired DE3574108D1 (en) 1984-03-30 1985-03-26 Reconstruction of tomographic images of high definition based on absorption measurements

Country Status (4)

Country Link
US (1) US4682290A (de)
EP (1) EP0159248B1 (de)
DE (1) DE3574108D1 (de)
FR (1) FR2562371A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61185256A (ja) * 1985-02-13 1986-08-18 株式会社日立メデイコ Ｘ線ｃｔ画像処理装置
NO163307C (no) * 1985-06-17 1990-05-02 Norway Geophysical Co Fremgangsmaate til reduksjon av datavolumet ved seismisk databehandling.
US4852132A (en) * 1985-08-30 1989-07-25 Yokogawa Medical Systems Method of collecting data for x-ray tomograph
US5047931A (en) * 1989-05-30 1991-09-10 General Electric Company Parallel computation of fan-beam back-projection reconstruction algorithm in computed tomography
FR2656129B1 (fr) * 1989-12-20 1992-03-13 Gen Electric Cgr Procede de reconstruction multi-echelle de l'image de la structure d'un corps.
CA2129092C (en) * 1993-10-04 1999-10-19 Leon C. Williams Image interpolation apparatus
JP4155529B2 (ja) * 1997-02-17 2008-09-24 株式会社東芝 Ｘ線ｃｔ装置
CN102613985B (zh) * 2011-01-31 2014-01-22 上海西门子医疗器械有限公司 一种探测器和包括该探测器的x射线投影数据采集系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1471531A (en) * 1973-04-25 1977-04-27 Emi Ltd Radiography
GB1474685A (en) * 1974-07-10 1977-05-25 Emi Ltd Radiography
US4042811A (en) * 1975-11-28 1977-08-16 Picker Corporation Tomography system having an ultrahigh-speed processing unit
GB1562198A (en) * 1975-12-02 1980-03-05 Emi Ltd Radiography
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
GB1577046A (en) * 1976-06-01 1980-10-15 Ohio Nuclear Radiographic scanner apparatus
DE2723401A1 (de) * 1977-05-24 1978-12-07 Siemens Ag Schichtgeraet zur herstellung von transversalschichtbildern
US4280178A (en) * 1979-08-24 1981-07-21 General Electric Company Computerized tomographic reconstruction method utilizing reflection
NL8201942A (nl) * 1982-05-12 1983-12-01 Philips Nv Werkwijze en computer tomografie-inrichting voor het bepalen van een tomografiebeeld met verhoogd oplossend vermogen.

Also Published As

Publication number Publication date
EP0159248B1 (de) 1989-11-08
US4682290A (en) 1987-07-21
FR2562371A1 (fr) 1985-10-04
EP0159248A1 (de) 1985-10-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee