DE69033922D1 - Verkleinerung von Patientenversetzungsartefakt in tomographischer Bildverarbeitung - Google Patents

Verkleinerung von Patientenversetzungsartefakt in tomographischer Bildverarbeitung

Info

Publication number
DE69033922D1
DE69033922D1 DE69033922T DE69033922T DE69033922D1 DE 69033922 D1 DE69033922 D1 DE 69033922D1 DE 69033922 T DE69033922 T DE 69033922T DE 69033922 T DE69033922 T DE 69033922T DE 69033922 D1 DE69033922 D1 DE 69033922D1
Authority
DE
Germany
Prior art keywords
reduction
image processing
tomographic image
patient transfer
artifact
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 - Fee Related
Application number
DE69033922T
Other languages
English (en)
Other versions
DE69033922T2 (de
Inventor
Carl Ross Crawford
Kevin Franklin King
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 Co
Original Assignee
General Electric Co
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 Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE69033922D1 publication Critical patent/DE69033922D1/de
Publication of DE69033922T2 publication Critical patent/DE69033922T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • 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
DE69033922T 1989-11-22 1990-11-16 Verkleinerung von Patientenversetzungsartefakt in tomographischer Bildverarbeitung Expired - Fee Related DE69033922T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/440,531 US5170346A (en) 1989-11-22 1989-11-22 Method for reducing patient translation artifacts in tomographic imaging

Publications (2)

Publication Number Publication Date
DE69033922D1 true DE69033922D1 (de) 2002-04-11
DE69033922T2 DE69033922T2 (de) 2002-10-24

Family

ID=23749126

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69033922T Expired - Fee Related DE69033922T2 (de) 1989-11-22 1990-11-16 Verkleinerung von Patientenversetzungsartefakt in tomographischer Bildverarbeitung

Country Status (6)

Country Link
US (1) US5170346A (de)
EP (1) EP0430506B1 (de)
JP (1) JPH0661330B2 (de)
CA (1) CA2021620A1 (de)
DE (1) DE69033922T2 (de)
IL (1) IL96318A0 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5544212A (en) * 1988-10-20 1996-08-06 Picker International, Inc. Spiral CT using an integrating interpolator
US5454019A (en) * 1991-03-15 1995-09-26 Hitachi, Ltd. Computed tomography system
US5224136A (en) * 1992-06-30 1993-06-29 General Electric Company Helical scanning computed tomography apparatus with constrained tracking of the x-ray source
US5454371A (en) * 1993-11-29 1995-10-03 London Health Association Method and system for constructing and displaying three-dimensional images
US5842473A (en) * 1993-11-29 1998-12-01 Life Imaging Systems Three-dimensional imaging system
US5469487A (en) * 1993-12-30 1995-11-21 General Electric Company CT system with twin fan beam helical scan
US6035696A (en) * 1994-04-05 2000-03-14 Gas Research Institute Scan assembly and method for calibrating the width of an input pulse to an ultrasonic transducer of the scan assembly
US5574223A (en) * 1994-04-05 1996-11-12 Gas Research Institute Scan assembly and method using scan rate modulation
US5641909A (en) * 1994-04-05 1997-06-24 Gas Research Institute Scan assembly structure
US5594176A (en) * 1994-04-05 1997-01-14 Gas Research Institute Scan assembly and method for transferring power and data across a rotary interface
US5648613A (en) * 1994-04-05 1997-07-15 Gas Research Institute Scan assembly and method for signal discrimination
IL116738A0 (en) * 1995-01-23 1996-05-14 Gen Electric Detector z-axis gain correction for a ct system
US5744802A (en) * 1995-10-25 1998-04-28 Adac Laboratories Image generation from limited projections in positron emission tomography using multi-slice rebinning
CN1955725B (zh) * 2005-10-27 2010-12-15 Ge医疗系统环球技术有限公司 X射线ct系统
US9858532B2 (en) 2015-09-30 2018-01-02 International Business Machines Corporation Multimode josephson parametric converter: coupling josephson ring modulator to metamaterial

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59111738A (ja) * 1982-12-16 1984-06-28 株式会社東芝 Ｘ線断層撮影装置
US4580219A (en) * 1983-05-02 1986-04-01 General Electric Company Method for reducing image artifacts due to projection measurement inconsistencies
JPH0767445B2 (ja) * 1985-10-14 1995-07-26 株式会社日立メディコ Ｘ線ｃｔ装置
JPS62139630A (ja) * 1985-12-16 1987-06-23 株式会社日立メディコ Ｘ線ｃｔ装置
US4789929A (en) * 1987-05-14 1988-12-06 Hitachi Medical Corporation CT system for spirally scanning subject on a movable bed synchronized to X-ray tube revolution
NL8800321A (nl) * 1988-02-10 1989-09-01 Philips Nv Computertomografie-inrichting voor spiraalsgewijze aftasting.

Also Published As

Publication number Publication date
EP0430506A2 (de) 1991-06-05
DE69033922T2 (de) 2002-10-24
CA2021620A1 (en) 1991-05-23
JPH0661330B2 (ja) 1994-08-17
IL96318A0 (en) 1991-08-16
JPH03188833A (ja) 1991-08-16
EP0430506B1 (de) 2002-03-06
EP0430506A3 (en) 1992-05-27
US5170346A (en) 1992-12-08

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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