CN103961123B - 计算机断层摄影(ct)方法和ct系统 - Google Patents

计算机断层摄影(ct)方法和ct系统 Download PDF

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Publication number
CN103961123B
CN103961123B CN201310038053.8A CN201310038053A CN103961123B CN 103961123 B CN103961123 B CN 103961123B CN 201310038053 A CN201310038053 A CN 201310038053A CN 103961123 B CN103961123 B CN 103961123B
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dfov
detector
center
truncation
projection
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CN103961123A (zh
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曲彦龄
王学礼
曹蹊渺
徐振华
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GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology Co LLC
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Priority to CN201310038053.8A priority Critical patent/CN103961123B/zh
Priority to US14/166,005 priority patent/US9380991B2/en
Priority to JP2014013860A priority patent/JP6646921B2/ja
Publication of CN103961123A publication Critical patent/CN103961123A/zh
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5205Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4078Fan-beams
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00Tomographic reconstruction from projections
    • G06T12/10Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00Image generation
    • G06T2211/40Computed tomography
    • G06T2211/432Truncation

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201310038053.8A 2013-01-31 2013-01-31 计算机断层摄影(ct)方法和ct系统 Active CN103961123B (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201310038053.8A CN103961123B (zh) 2013-01-31 2013-01-31 计算机断层摄影(ct)方法和ct系统
US14/166,005 US9380991B2 (en) 2013-01-31 2014-01-28 Computerized tomography (CT) method and CT system
JP2014013860A JP6646921B2 (ja) 2013-01-31 2014-01-29 計算機式断層写真法(ct)方法及びctシステム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310038053.8A CN103961123B (zh) 2013-01-31 2013-01-31 计算机断层摄影(ct)方法和ct系统

Publications (2)

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CN103961123A CN103961123A (zh) 2014-08-06
CN103961123B true CN103961123B (zh) 2018-11-06

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US (1) US9380991B2 (https=)
JP (1) JP6646921B2 (https=)
CN (1) CN103961123B (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104207799A (zh) * 2014-08-29 2014-12-17 沈阳东软医疗系统有限公司 一种ct扫描设备中形状过滤器的控制方法及装置
CN106773513B (zh) * 2016-12-30 2018-07-20 成都信息工程大学 数字x射线摄影系统的射线自动追踪成像的方法
CN109171790B (zh) * 2018-09-26 2022-03-15 东软医疗系统股份有限公司 一种ct扫描数据的处理方法、装置及ct机
CN111915692B (zh) * 2019-05-08 2025-10-28 通用电气精准医疗有限责任公司 成像方法及装置
WO2020238818A1 (en) 2019-05-24 2020-12-03 Shanghai United Imaging Healthcare Co., Ltd. Imaging systems and methods
CN111000581B (zh) * 2019-12-28 2021-10-15 上海联影医疗科技股份有限公司 医学成像方法及系统
CN114298920B (zh) * 2021-12-06 2023-04-07 北京朗视仪器股份有限公司 一种超视野ct图像重建模型训练和超视野ct图像重建方法
KR102611061B1 (ko) * 2022-05-02 2023-12-07 재단법인 아산사회복지재단 혈관 영상의 캘리브레이션 방법 및 장치
US12396697B2 (en) 2022-05-02 2025-08-26 Medipixel, Inc. Blood vessel image calibration method and device
EP4434467B1 (de) * 2023-08-10 2025-06-04 Siemens Healthineers AG Verfahren und steuereinrichtung zur steuerung eines computertomographie-systems
CN121120949B (zh) * 2025-11-11 2026-03-31 杭州睿影科技有限公司 一种图像重建方法及处理设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1504960A (zh) * 2002-10-04 2004-06-16 GEҽҩϵͳ����Ƽ���˾ 用于截断补偿的方法和装置
CN1575760A (zh) * 2003-07-03 2005-02-09 Ge医药系统环球科技公司 用于截断补偿的方法和设备
CN101080651A (zh) * 2004-12-17 2007-11-28 皇家飞利浦电子股份有限公司 用于迭代重建的截断补偿算法
CN102027507A (zh) * 2008-05-15 2011-04-20 皇家飞利浦电子股份有限公司 使用未经衰减校正的pet发射图像补偿不完整解剖图像

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004065706A (ja) * 2002-08-08 2004-03-04 Ge Medical Systems Global Technology Co Llc 投影データ補正方法、画像生成方法およびx線ct装置
US8433119B2 (en) * 2009-10-23 2013-04-30 Analogic Corporation Extension of the field of view of a computed tomography system in the presence of interfering objects

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1504960A (zh) * 2002-10-04 2004-06-16 GEҽҩϵͳ����Ƽ���˾ 用于截断补偿的方法和装置
CN1575760A (zh) * 2003-07-03 2005-02-09 Ge医药系统环球科技公司 用于截断补偿的方法和设备
CN101080651A (zh) * 2004-12-17 2007-11-28 皇家飞利浦电子股份有限公司 用于迭代重建的截断补偿算法
CN102027507A (zh) * 2008-05-15 2011-04-20 皇家飞利浦电子股份有限公司 使用未经衰减校正的pet发射图像补偿不完整解剖图像

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Publication number Publication date
US20140211912A1 (en) 2014-07-31
CN103961123A (zh) 2014-08-06
US9380991B2 (en) 2016-07-05
JP6646921B2 (ja) 2020-02-14
JP2014147741A (ja) 2014-08-21

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