DE3785360D1 - Rechnergestuetzter roentgen-tomograph. - Google Patents

Rechnergestuetzter roentgen-tomograph.

Info

Publication number
DE3785360D1
DE3785360D1 DE8787906444T DE3785360T DE3785360D1 DE 3785360 D1 DE3785360 D1 DE 3785360D1 DE 8787906444 T DE8787906444 T DE 8787906444T DE 3785360 T DE3785360 T DE 3785360T DE 3785360 D1 DE3785360 D1 DE 3785360D1
Authority
DE
Germany
Prior art keywords
roentgen
tomograph
computer
roentgen tomograph
based roentgen
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 - Lifetime
Application number
DE8787906444T
Other languages
English (en)
Other versions
DE3785360T2 (de
Inventor
Hideo Nagai
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.)
GE Healthcare Japan Corp
Original Assignee
Yokogawa Medical Systems 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
Priority claimed from JP61232645A external-priority patent/JPH0626544B2/ja
Priority claimed from JP61255340A external-priority patent/JPH0626545B2/ja
Application filed by Yokogawa Medical Systems Ltd filed Critical Yokogawa Medical Systems Ltd
Publication of DE3785360D1 publication Critical patent/DE3785360D1/de
Application granted granted Critical
Publication of DE3785360T2 publication Critical patent/DE3785360T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Heart & Thoracic 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)
  • Biophysics (AREA)
  • Molecular Biology (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)
DE8787906444T 1986-09-30 1987-09-30 Rechnergestuetzter roentgen-tomograph. Expired - Lifetime DE3785360T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP61232645A JPH0626544B2 (ja) 1986-09-30 1986-09-30 Ｃｔスキャナ
JP61255340A JPH0626545B2 (ja) 1986-10-27 1986-10-27 Ｃｔスキャナ
PCT/JP1987/000712 WO1988002239A1 (en) 1986-09-30 1987-09-30 Radiation ct

Publications (2)

Publication Number Publication Date
DE3785360D1 true DE3785360D1 (de) 1993-05-13
DE3785360T2 DE3785360T2 (de) 1993-07-15

Family

ID=26530576

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787906444T Expired - Lifetime DE3785360T2 (de) 1986-09-30 1987-09-30 Rechnergestuetzter roentgen-tomograph.

Country Status (4)

Country Link
US (1) US5058011A (de)
EP (1) EP0333857B1 (de)
DE (1) DE3785360T2 (de)
WO (1) WO1988002239A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4139150C1 (en) * 1991-11-28 1993-06-24 Siemens Ag, 8000 Muenchen, De Computer tomograph with part ring formed X=ray source and detector - has double ring system without complementary interpolation
US7856079B2 (en) * 2004-11-15 2010-12-21 Koninklijke Philips Electronics N.V. Reconstruction method for computer tomography and computer tomograph
CN103674979B (zh) * 2012-09-19 2016-12-21 同方威视技术股份有限公司 一种行李物品ct安检系统及其探测器装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126787A (en) * 1974-01-31 1978-11-21 Emi Limited Radiography
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
DE2708604A1 (de) * 1977-02-28 1978-08-31 Siemens Ag Schichtgeraet zur herstellung von transversalschichtbildern
JPS53114376A (en) * 1977-03-16 1978-10-05 Toshiba Corp Computer tomographic diagnostic equipment
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
JPS58183146A (ja) * 1982-04-19 1983-10-26 横河電機株式会社 投影デ−タ検出方式
JPS59183737A (ja) * 1983-04-05 1984-10-18 株式会社東芝 第４世代ｘ線ｃｔ装置
US4680709A (en) * 1984-11-13 1987-07-14 General Electric Company Back projection image reconstruction apparatus and method
US4752879A (en) * 1985-01-30 1988-06-21 Picker International, Inc. Method and apparatus for medical imaging

Also Published As

Publication number Publication date
EP0333857A4 (de) 1989-09-19
US5058011A (en) 1991-10-15
EP0333857A1 (de) 1989-09-27
EP0333857B1 (de) 1993-04-07
WO1988002239A1 (en) 1988-04-07
DE3785360T2 (de) 1993-07-15

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