DE3586203D1 - Bildverarbeitungsgeraet fuer roentgentomographie. - Google Patents

Bildverarbeitungsgeraet fuer roentgentomographie.

Info

Publication number
DE3586203D1
DE3586203D1 DE8585901557T DE3586203T DE3586203D1 DE 3586203 D1 DE3586203 D1 DE 3586203D1 DE 8585901557 T DE8585901557 T DE 8585901557T DE 3586203 T DE3586203 T DE 3586203T DE 3586203 D1 DE3586203 D1 DE 3586203D1
Authority
DE
Germany
Prior art keywords
gentomography
ray
image processing
processing device
image
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
DE8585901557T
Other languages
English (en)
Other versions
DE3586203T2 (de
Inventor
Ltd Yoshitome
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 JP59049688A external-priority patent/JPS60193445A/ja
Priority claimed from JP59111869A external-priority patent/JPS60254375A/ja
Application filed by Yokogawa Medical Systems Ltd filed Critical Yokogawa Medical Systems Ltd
Publication of DE3586203D1 publication Critical patent/DE3586203D1/de
Application granted granted Critical
Publication of DE3586203T2 publication Critical patent/DE3586203T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06T11/008—Specific post-processing after tomographic reconstruction, e.g. voxelisation, metal artifact correction
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/60—Circuit arrangements for obtaining a series of X-ray photographs or for X-ray cinematography

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
DE8585901557T 1984-03-15 1985-03-13 Bildverarbeitungsgeraet fuer roentgentomographie. Expired - Fee Related DE3586203T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP59049688A JPS60193445A (ja) 1984-03-15 1984-03-15 Ｘ線ｃｔの骨領域識別装置
JP59111869A JPS60254375A (ja) 1984-05-31 1984-05-31 Ｘ線ｃｔ画像処理装置
PCT/JP1985/000124 WO1985004090A1 (en) 1984-03-15 1985-03-13 X-ray ct image processor

Publications (2)

Publication Number Publication Date
DE3586203D1 true DE3586203D1 (de) 1992-07-16
DE3586203T2 DE3586203T2 (de) 1993-01-28

Family

ID=26390123

Family Applications (2)

Application Number Title Priority Date Filing Date
DE198585901557T Pending DE204844T1 (de) 1984-03-15 1985-03-13 Bildverarbeitungsgeraet fuer roentgentomographie.
DE8585901557T Expired - Fee Related DE3586203T2 (de) 1984-03-15 1985-03-13 Bildverarbeitungsgeraet fuer roentgentomographie.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE198585901557T Pending DE204844T1 (de) 1984-03-15 1985-03-13 Bildverarbeitungsgeraet fuer roentgentomographie.

Country Status (4)

Country Link
US (1) US4739481A (de)
EP (1) EP0204844B1 (de)
DE (2) DE204844T1 (de)
WO (1) WO1985004090A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4885688A (en) * 1987-11-25 1989-12-05 General Electric Company Minimization of directed points generated in three-dimensional dividing cubes method
US4920573A (en) * 1988-05-09 1990-04-24 Mpdi, Inc. Method for generating perpendicular synthesized cross-sectional images
US5047931A (en) * 1989-05-30 1991-09-10 General Electric Company Parallel computation of fan-beam back-projection reconstruction algorithm in computed tomography
JPH0357081A (ja) * 1989-07-26 1991-03-12 Canon Inc 画像処理装置
EP0905638A1 (de) * 1994-08-29 1999-03-31 Torsana A/S Bestimmungsverfahren
US5687209A (en) * 1995-04-11 1997-11-11 Hewlett-Packard Co. Automatic warp compensation for laminographic circuit board inspection
US5594767A (en) * 1995-11-02 1997-01-14 General Electric Company Methods and apparatus for enhancing image sharpness
JP4130055B2 (ja) * 2000-08-31 2008-08-06 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 加算断層画像作成方法およびｘ線ｃｔ装置
FR2828752B1 (fr) * 2001-08-20 2004-03-12 Ge Med Sys Global Tech Co Llc Procede de correction de la densite de contraste d'une image dans un dispositif de radiographie
FR2846830B1 (fr) * 2002-10-31 2005-01-21 Ge Med Sys Global Tech Co Llc Procede de filtrage spatio-temporel du bruit fluoroscopique
US6898263B2 (en) * 2002-11-27 2005-05-24 Ge Medical Systems Global Technology Company, Llc Method and apparatus for soft-tissue volume visualization
US20100049035A1 (en) * 2005-05-27 2010-02-25 Qingmao Hu Brain image segmentation from ct data
JP5579639B2 (ja) * 2011-02-26 2014-08-27 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 画像処理装置およびプログラム並びに画像診断装置
CN106551702B (zh) * 2015-09-30 2021-05-14 通用电气公司 Ct图像的射束硬化伪影校正装置及方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052618A (en) * 1974-05-07 1977-10-04 E M I Limited Apparatus for examining a body by radiation such as x or gamma radiation
GB1578442A (en) * 1976-07-01 1980-11-05 Emi Ltd Radiography
GB1594751A (en) * 1977-01-31 1981-08-05 Tokyo Shibaura Electric Co Method and apparatus for tomography by means of penetrating radiation
JPS541963A (en) * 1977-06-07 1979-01-09 Kubota Ltd Supernatant water discharging apparatus
GB1576286A (en) * 1977-07-12 1980-10-08 Emi Ltd Radiograhy
DE2754361C2 (de) * 1977-12-07 1983-07-14 N.V. Philips' Gloeilampenfabrieken, 5621 Eindhoven Verfahren zur Verminderung von Bildfehlern in Computer-Tomographiebildern
US4247774A (en) * 1978-06-26 1981-01-27 The United States Of America As Represented By The Department Of Health, Education And Welfare Simultaneous dual-energy computer assisted tomography
JPS6048731A (ja) * 1983-08-29 1985-03-16 株式会社日立メディコ Ｘ線断層装置
JPS60138680A (ja) * 1983-12-27 1985-07-23 Yokogawa Medical Syst Ltd 放射線ｃｔ装置

Also Published As

Publication number Publication date
US4739481A (en) 1988-04-19
EP0204844B1 (de) 1992-06-10
WO1985004090A1 (en) 1985-09-26
EP0204844A4 (de) 1989-04-24
EP0204844A1 (de) 1986-12-17
DE204844T1 (de) 1987-09-03
DE3586203T2 (de) 1993-01-28

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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