IL111982A - Ct system with twin fan beam helical scan - Google Patents

Ct system with twin fan beam helical scan

Info

Publication number
IL111982A
IL111982A IL111982A IL11198294A IL111982A IL 111982 A IL111982 A IL 111982A IL 111982 A IL111982 A IL 111982A IL 11198294 A IL11198294 A IL 11198294A IL 111982 A IL111982 A IL 111982A
Authority
IL
Israel
Prior art keywords
fan beam
helical scan
beam helical
twin fan
twin
Prior art date
Application number
IL111982A
Other languages
English (en)
Other versions
IL111982A0 (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 IL111982A0 publication Critical patent/IL111982A0/xx
Publication of IL111982A publication Critical patent/IL111982A/xx

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
    • 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
    • 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)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
IL111982A 1993-12-30 1994-12-14 Ct system with twin fan beam helical scan IL111982A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/175,703 US5469487A (en) 1993-12-30 1993-12-30 CT system with twin fan beam helical scan

Publications (2)

Publication Number Publication Date
IL111982A0 IL111982A0 (en) 1995-03-15
IL111982A true IL111982A (en) 1997-11-20

Family

ID=22641294

Family Applications (1)

Application Number Title Priority Date Filing Date
IL111982A IL111982A (en) 1993-12-30 1994-12-14 Ct system with twin fan beam helical scan

Country Status (4)

Country Link
US (1) US5469487A (xx)
JP (1) JPH07250832A (xx)
DE (1) DE4446819A1 (xx)
IL (1) IL111982A (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5966422A (en) * 1992-07-20 1999-10-12 Picker Medical Systems, Ltd. Multiple source CT scanner
US5606585A (en) * 1995-12-21 1997-02-25 General Electric Company Methods and apparatus for multislice helical image reconstruction in a computer tomography system
US6275562B1 (en) 1998-04-28 2001-08-14 General Electric Company Apparatus and methods for performing scalable multislice computed tomography scan
US6198791B1 (en) 1998-08-25 2001-03-06 General Electric Company Scalable multislice imaging system
US6141398A (en) 1998-08-25 2000-10-31 General Electric Company Protocol driven image reconstruction, display, and processing in a multislice imaging system
WO2000038576A1 (en) 1998-12-30 2000-07-06 General Electric Company Image thickness selection for multislice imaging system
US6421412B1 (en) * 1998-12-31 2002-07-16 General Electric Company Dual cardiac CT scanner
US6466645B1 (en) * 2000-11-22 2002-10-15 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for tube-spit correction
JP3870105B2 (ja) * 2002-02-22 2007-01-17 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 逆投影方法およびｘ線ｃｔ装置
US6816565B1 (en) * 2003-06-27 2004-11-09 Ge Medical Systems Global Technology Company, Llc Matched view weighting methods and apparatus using multiple tilted reconstruction planes
DE102004030550A1 (de) * 2004-06-24 2006-01-19 Siemens Ag Bildgebendes Tomographiegerät mit zumindest zwei unter Systemwinkel angeordneten Aufnahmesystemen und Verfahren für ein derartiges Tomographiegerät zur Bestimmung der Systemwinkel der Aufnahmesysteme
WO2008133765A2 (en) 2007-02-13 2008-11-06 Sentinel Scanning Corporation Ct scanning and contraband detection
CN100462051C (zh) * 2007-05-24 2009-02-18 上海交通大学 多源螺旋ct并行重建系统
EP2438429A4 (en) 2009-06-05 2014-04-30 Sentinel Scanning Corp TRANSPORT CONTAINER CHECK SYSTEM AND METHOD
JP6486100B2 (ja) * 2014-12-22 2019-03-20 キヤノン株式会社 画像処理装置、画像処理方法、およびプログラム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4725963A (en) * 1985-05-09 1988-02-16 Scientific Measurement Systems I, Ltd. Method and apparatus for dimensional analysis and flaw detection of continuously produced tubular objects
US5216601A (en) * 1989-11-22 1993-06-01 General Electric Company Method for fan beam helical scanning using rebinning
US5170346A (en) * 1989-11-22 1992-12-08 General Electric Company Method for reducing patient translation artifacts in tomographic imaging
US5265142A (en) * 1992-05-08 1993-11-23 General Electric Company Image reconstruction technique for a computer tomography system

Also Published As

Publication number Publication date
JPH07250832A (ja) 1995-10-03
IL111982A0 (en) 1995-03-15
US5469487A (en) 1995-11-21
DE4446819A1 (de) 1995-07-06

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Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees