IL139758A - Methods and apparatus for optimizing ct image quality with optimized data acquisition - Google Patents

Methods and apparatus for optimizing ct image quality with optimized data acquisition

Info

Publication number
IL139758A
IL139758A IL13975800A IL13975800A IL139758A IL 139758 A IL139758 A IL 139758A IL 13975800 A IL13975800 A IL 13975800A IL 13975800 A IL13975800 A IL 13975800A IL 139758 A IL139758 A IL 139758A
Authority
IL
Israel
Prior art keywords
input signal
scan
accordance
gain
scout
Prior art date
Application number
IL13975800A
Other languages
English (en)
Other versions
IL139758A0 (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 IL139758A0 publication Critical patent/IL139758A0/xx
Publication of IL139758A publication Critical patent/IL139758A/en

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]
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085—Cone-beams
    • 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
    • A61B6/48—Diagnostic techniques
    • A61B6/488—Diagnostic techniques involving pre-scan acquisition

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
IL13975800A 1999-11-29 2000-11-19 Methods and apparatus for optimizing ct image quality with optimized data acquisition IL139758A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/450,362 US6307912B1 (en) 1999-11-29 1999-11-29 Methods and apparatus for optimizing CT image quality with optimized data acquisition

Publications (2)

Publication Number Publication Date
IL139758A0 IL139758A0 (en) 2002-02-10
IL139758A true IL139758A (en) 2004-06-20

Family

ID=23787799

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13975800A IL139758A (en) 1999-11-29 2000-11-19 Methods and apparatus for optimizing ct image quality with optimized data acquisition

Country Status (6)

Country Link
US (1) US6307912B1 (enExample)
EP (1) EP1103221B1 (enExample)
JP (1) JP4675472B2 (enExample)
CN (1) CN1231182C (enExample)
DE (1) DE60036355T2 (enExample)
IL (1) IL139758A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6411673B1 (en) * 2000-12-29 2002-06-25 Ge Medical Systems Global Technology Company, Llc Sampling rate scaling of calibration vectors in x-ray CT machines
JP4532005B2 (ja) * 2001-03-09 2010-08-25 株式会社日立メディコ Ｘ線ｃｔ装置及びその画像表示方法
JP4387638B2 (ja) * 2001-07-04 2009-12-16 株式会社東芝 Ｘ線コンピュータ断層診断装置
JP5438647B2 (ja) * 2010-03-31 2014-03-12 富士フイルム株式会社 放射線画像システム
US8031828B1 (en) 2010-04-30 2011-10-04 General Electric Company Method and apparatus for computed tomography
MX2014003685A (es) 2011-09-30 2015-05-11 Childrens Hosp Medical Center Metodo para optimizacion coherente y verificable de una dosis de radiacion de tomografia computarizada (tc).
US20150086101A1 (en) * 2013-09-25 2015-03-26 General Electric Company Method for organ localization
JP6571659B2 (ja) * 2014-08-04 2019-09-04 株式会社日立製作所 Ｘ線ｃｔ装置、データ処理装置及び投影データ生成方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6152860A (ja) * 1984-08-24 1986-03-15 株式会社　日立メデイコ Ｘ線ｃｔ装置
JPH01299535A (ja) * 1988-05-30 1989-12-04 Toshiba Corp データ収集装置
US5220589A (en) * 1991-07-18 1993-06-15 General Electric Company Correction circuit for a floating-point amplifier
JP2624927B2 (ja) * 1992-10-06 1997-06-25 株式会社東芝 Ｘ線ｃｔ装置
US5416815A (en) * 1993-07-02 1995-05-16 General Electric Company Adaptive filter for reducing streaking artifacts in x-ray tomographic images
US5379333A (en) 1993-11-19 1995-01-03 General Electric Company Variable dose application by modulation of x-ray tube current during CT scanning
US5400378A (en) 1993-11-19 1995-03-21 General Electric Company Dynamic dose control in multi-slice CT scan
US5450462A (en) * 1993-11-19 1995-09-12 General Electric Company Modulation of x-ray tube current during CT scanning with modulation limit
US5430785A (en) * 1994-04-11 1995-07-04 General Electric Company Detector channel gain calibration using focal spot wobble
JPH07303632A (ja) * 1994-05-11 1995-11-21 Ge Yokogawa Medical Syst Ltd Ｃｔ装置
US5933540A (en) 1995-05-11 1999-08-03 General Electric Company Filter system and method for efficiently suppressing noise and improving edge definition in a digitized image
CA2184237A1 (en) * 1995-09-08 1997-03-09 Jay A. Stein X-ray bone densitometry
JPH1021372A (ja) * 1996-07-05 1998-01-23 Toshiba Corp Ｘ線ｃｔ装置
JP3673041B2 (ja) * 1996-11-21 2005-07-20 ジーイー横河メディカルシステム株式会社 Ｃｔイメージング方法およびｘ線ｃｔ装置
US5828719A (en) 1996-12-23 1998-10-27 General Electric Company Methods and apparatus for modulating data acquisition system gain
US5734691A (en) * 1996-12-23 1998-03-31 General Electric Company Detector z-axis gain non-uniformity correction in a computed tomography system
JPH10211195A (ja) * 1997-01-30 1998-08-11 Shimadzu Corp Ｘ線ｃｔ装置

Also Published As

Publication number Publication date
CN1298098A (zh) 2001-06-06
IL139758A0 (en) 2002-02-10
DE60036355T2 (de) 2008-06-12
EP1103221B1 (en) 2007-09-12
US6307912B1 (en) 2001-10-23
DE60036355D1 (de) 2007-10-25
CN1231182C (zh) 2005-12-14
EP1103221A1 (en) 2001-05-30
JP2001258875A (ja) 2001-09-25
JP4675472B2 (ja) 2011-04-20

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