CN103969269B - 用于几何校准ct扫描仪的方法和装置 - Google Patents

用于几何校准ct扫描仪的方法和装置 Download PDF

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Publication number
CN103969269B
CN103969269B CN201310037546.XA CN201310037546A CN103969269B CN 103969269 B CN103969269 B CN 103969269B CN 201310037546 A CN201310037546 A CN 201310037546A CN 103969269 B CN103969269 B CN 103969269B
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calibration
detector units
projection
detector
current row
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CN103969269A (zh
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李军
李硕
王斌
曹蹊渺
董加勤
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GE Medical Systems Global Technology Co LLC
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Priority to CN201310037546.XA priority Critical patent/CN103969269B/zh
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Priority to JP2014015144A priority patent/JP6253426B2/ja
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    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/585—Calibration of detector units
    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (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)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201310037546.XA 2013-01-31 2013-01-31 用于几何校准ct扫描仪的方法和装置 Active CN103969269B (zh)

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Application Number Priority Date Filing Date Title
CN201310037546.XA CN103969269B (zh) 2013-01-31 2013-01-31 用于几何校准ct扫描仪的方法和装置
US14/168,088 US9398890B2 (en) 2013-01-31 2014-01-30 Geometry calibration algorithm for large flat module detector CT scanner
JP2014015144A JP6253426B2 (ja) 2013-01-31 2014-01-30 Ｃｔスキャナの幾何学的較正のための方法及び装置

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US (1) US9398890B2 (enExample)
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