IL90806A0 - Method and apparatus for estimating body contours in fan beam computed tomographic systems - Google Patents

Method and apparatus for estimating body contours in fan beam computed tomographic systems

Info

Publication number
IL90806A0
IL90806A0 IL90806A IL9080689A IL90806A0 IL 90806 A0 IL90806 A0 IL 90806A0 IL 90806 A IL90806 A IL 90806A IL 9080689 A IL9080689 A IL 9080689A IL 90806 A0 IL90806 A0 IL 90806A0
Authority
IL
Israel
Prior art keywords
fan beam
beam computed
computed tomographic
body contours
estimating body
Prior art date
Application number
IL90806A
Other languages
English (en)
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IL90806A0 publication Critical patent/IL90806A0/xx

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
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • 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]
    • A61B6/037—Emission tomography
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10081—Computed x-ray 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)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pure & Applied Mathematics (AREA)
  • Heart & Thoracic Surgery (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 Processing (AREA)
  • Nuclear Medicine (AREA)
  • Image Analysis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
IL90806A 1988-08-09 1989-06-30 Method and apparatus for estimating body contours in fan beam computed tomographic systems IL90806A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/230,064 US4984159A (en) 1988-08-09 1988-08-09 Method and apparatus for estimating elliptical body contours in fan beam computed tomographic systems

Publications (1)

Publication Number Publication Date
IL90806A0 true IL90806A0 (en) 1990-01-18

Family

ID=22863813

Family Applications (1)

Application Number Title Priority Date Filing Date
IL90806A IL90806A0 (en) 1988-08-09 1989-06-30 Method and apparatus for estimating body contours in fan beam computed tomographic systems

Country Status (5)

Country Link
US (1) US4984159A (ja)
EP (1) EP0354763A3 (ja)
JP (1) JPH02125371A (ja)
DK (1) DK389889A (ja)
IL (1) IL90806A0 (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2957623B2 (ja) * 1990-01-31 1999-10-06 株式会社東芝 Ｓｐｅｃｔ装置用のアーチファクト乃至感度補正装置
US5335255A (en) * 1992-03-24 1994-08-02 Seppi Edward J X-ray scanner with a source emitting plurality of fan beams
US5420787A (en) * 1992-10-26 1995-05-30 The United States Of America As Represented By The Secretary Of The Department Of Human Services System and method for separating a multi-unit signal into single-unit signals
FR2700259A1 (fr) * 1993-01-13 1994-07-13 Gen Electric Cgr Dispositif automatique de collimation d'un faisceau de rayons X d'un scanner et procédé de mise en Óoeuvre.
EP0843868A1 (en) * 1995-07-27 1998-05-27 Imperial Cancer Research Technology Limited Raw data segmentation and analysis in image tomography
US5754618A (en) * 1995-12-22 1998-05-19 Matsushita Electric Industrial Image processing apparatus and image processing method for favorably enhancing continuous boundaries which are affected by noise
US5739539A (en) * 1996-03-28 1998-04-14 Adac Laboratories Use of body boundary information to perform iterative reconstruction in medical imaging system
JPH11155881A (ja) * 1997-09-26 1999-06-15 Olympus Optical Co Ltd 手術経路検索装置
US6539103B1 (en) * 1997-11-12 2003-03-25 The University Of Utah Method and apparatus for image reconstruction using a knowledge set
DE10048193A1 (de) * 2000-09-28 2002-04-18 Siemens Ag Verfahren zur Rekonstruktion von Bildinformation aus mittels eines CT-Geräts gewonnenen Messdaten
US6850589B2 (en) * 2002-03-27 2005-02-01 Agilent Technologies, Inc. Tomography of curved surfaces
WO2004114220A1 (en) * 2003-06-17 2004-12-29 Brown University Method and apparatus for model-based detection of structure in projection data
US7203267B2 (en) * 2004-06-30 2007-04-10 General Electric Company System and method for boundary estimation using CT metrology
JP2006177799A (ja) * 2004-12-22 2006-07-06 Hamamatsu Photonics Kk ポジトロンｃｔ装置
US20090290773A1 (en) * 2008-05-21 2009-11-26 Varian Medical Systems, Inc. Apparatus and Method to Facilitate User-Modified Rendering of an Object Image
CN103258335B (zh) * 2012-02-20 2015-12-16 上海理工大学 基于普通c臂机的脊柱横断面图像合成方法
CN103258336B (zh) * 2012-02-20 2015-12-09 上海理工大学 基于扇束虚拟平移的脊柱横断面图像合成方法
JP6270843B2 (ja) * 2012-08-10 2018-01-31 マウイ イマギング，インコーポレーテッド 多数開口超音波プローブの校正

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044240A (en) * 1975-11-28 1977-08-23 Picker Corporation Tomography system having an ultra high speed processing unit
GB1594751A (en) * 1977-01-31 1981-08-05 Tokyo Shibaura Electric Co Method and apparatus for tomography by means of penetrating radiation
US4293912A (en) * 1977-09-30 1981-10-06 Technicare Corporation Tomographic apparatus
DE2924423A1 (de) * 1979-06-16 1980-12-18 Philips Patentverwaltung Verfahren zur ermittlung der raeumlichen verteilung der absorption von strahlung in einem ebenen bereich
US4506327A (en) * 1981-11-23 1985-03-19 General Electric Company Limited-angle imaging using multiple energy scanning
US4703424A (en) * 1985-01-03 1987-10-27 General Electric Company Method and means of correcting for a shift in the center of rotation of a rotating fan beam CT system
JPS61220628A (ja) * 1985-03-28 1986-09-30 株式会社　日立メデイコ Ｘ線動態像計測装置
US4771469A (en) * 1986-06-30 1988-09-13 Honeywell Inc. Means and method of representing an object shape by hierarchical boundary decomposition

Also Published As

Publication number Publication date
EP0354763A2 (en) 1990-02-14
DK389889D0 (da) 1989-08-09
JPH02125371A (ja) 1990-05-14
US4984159A (en) 1991-01-08
DK389889A (da) 1990-02-10
EP0354763A3 (en) 1991-09-25

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