DE69033924D1 - Spiralabtastrechnertomographie - Google Patents

Spiralabtastrechnertomographie

Info

Publication number
DE69033924D1
DE69033924D1 DE69033924T DE69033924T DE69033924D1 DE 69033924 D1 DE69033924 D1 DE 69033924D1 DE 69033924 T DE69033924 T DE 69033924T DE 69033924 T DE69033924 T DE 69033924T DE 69033924 D1 DE69033924 D1 DE 69033924D1
Authority
DE
Germany
Prior art keywords
spiralabtastrechnertomographie
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
DE69033924T
Other languages
English (en)
Other versions
DE69033924T2 (de
Inventor
Kevin Franklin King
Carl Ross Crawford
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
Publication of DE69033924D1 publication Critical patent/DE69033924D1/de
Application granted granted Critical
Publication of DE69033924T2 publication Critical patent/DE69033924T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • 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
    • A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (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)
  • Image Analysis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Image Processing (AREA)
DE69033924T 1989-11-22 1990-11-21 Spiralabtastrechnertomographie Expired - Fee Related DE69033924T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/440,566 US5208746A (en) 1989-11-22 1989-11-22 Method for helical scanning with a stationary detector using rebinning and splicing to create detector vertex projection sets

Publications (2)

Publication Number Publication Date
DE69033924D1 true DE69033924D1 (de) 2002-04-11
DE69033924T2 DE69033924T2 (de) 2002-10-24

Family

ID=23749267

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69033924T Expired - Fee Related DE69033924T2 (de) 1989-11-22 1990-11-21 Spiralabtastrechnertomographie

Country Status (6)

Country Link
US (1) US5208746A (de)
EP (1) EP0430550B1 (de)
JP (1) JPH0669451B2 (de)
CA (1) CA2021621A1 (de)
DE (1) DE69033924T2 (de)
IL (1) IL96319A (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5454019A (en) * 1991-03-15 1995-09-26 Hitachi, Ltd. Computed tomography system
US5383119A (en) * 1991-07-03 1995-01-17 General Electric Company Method and apparatus for acquiring complete radon data for exactly reconstructing a three dimensional computerized tomography image of a portion of an object irradiated by a cone beam source
US5524130A (en) * 1992-08-28 1996-06-04 Kabushiki Kaisha Toshiba Computed tomography apparatus
US5390112A (en) * 1993-10-04 1995-02-14 General Electric Company Three-dimensional computerized tomography scanning method and system for imaging large objects with smaller area detectors
US5491735A (en) * 1994-12-22 1996-02-13 General Electric Company Image reconstruction apparatus and method for helical scanning
US5515409A (en) * 1994-12-22 1996-05-07 General Electric Company Helical interpolative algorithm for image reconstruction in a CT system
US6264365B1 (en) 1999-10-25 2001-07-24 General Electric Company Background monitoring of CT data for existence and location of a bad detector
US6411670B1 (en) 1999-11-17 2002-06-25 General Electric Company Data rebinning to increase resolution in CT image reconstruction
US6522712B1 (en) 1999-11-19 2003-02-18 General Electric Company Reconstruction of computed tomographic images using interpolation between projection views
US6539074B1 (en) 2000-08-25 2003-03-25 General Electric Company Reconstruction of multislice tomographic images from four-dimensional data
US6452996B1 (en) 2001-03-16 2002-09-17 Ge Medical Systems Global Technology Company, Llc Methods and apparatus utilizing generalized helical interpolation algorithm
CN100571635C (zh) * 2003-09-29 2009-12-23 Ge医疗系统环球技术有限公司 图像重构、投影数据评价方法及计算x线体层照相装置
JP2006185038A (ja) * 2004-12-27 2006-07-13 Ge Medical Systems Global Technology Co Llc ４次元ラベリング装置、ｎ次元ラベリング装置、４次元空間フィルタ装置およびｎ次元空間フィルタ装置
EP2005394B1 (de) * 2006-04-06 2018-01-17 Philips Intellectual Property & Standards GmbH Verfahren zur bildrekonstruktion und rekonstruktionssystem zur bildrekonstruktion
US8787646B2 (en) 2009-03-26 2014-07-22 Koninklijke Philips N.V. Method and apparatus for computed tomography image reconstruction
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
EP4125600B1 (de) 2020-04-20 2026-01-28 Shanghai United Imaging Healthcare Co., Ltd. Abbildungssysteme und -verfahren
CN111991015B (zh) * 2020-08-13 2024-04-26 上海联影医疗科技股份有限公司 三维图像拼接方法、装置、设备、系统和存储介质
CN114399761B (zh) * 2021-12-29 2024-06-14 国能铁路装备有限责任公司 转向架的叠加部件数量识别方法、装置和系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284896A (en) * 1979-08-24 1981-08-18 General Electric Company Computerized tomographic reconstruction method and system utilizing reflection
JPS59111738A (ja) * 1982-12-16 1984-06-28 株式会社東芝 Ｘ線断層撮影装置
US4707822A (en) * 1985-05-09 1987-11-17 Kabushiki Kaisha Toshiba Tomographic apparatus
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.
JPH0728862B2 (ja) * 1989-02-13 1995-04-05 株式会社東芝 Ｃｔ装置

Also Published As

Publication number Publication date
EP0430550B1 (de) 2002-03-06
IL96319A0 (en) 1991-08-16
IL96319A (en) 1995-07-31
US5208746A (en) 1993-05-04
CA2021621A1 (en) 1991-05-23
JPH03186249A (ja) 1991-08-14
EP0430550A2 (de) 1991-06-05
EP0430550A3 (en) 1992-05-20
JPH0669451B2 (ja) 1994-09-07
DE69033924T2 (de) 2002-10-24

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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