CN1210000C - 在利用仅覆盖一半视场的减小尺寸的检测器的计算机x－射线断层成像系统中应用的方法和装置 - Google Patents

在利用仅覆盖一半视场的减小尺寸的检测器的计算机x－射线断层成像系统中应用的方法和装置 Download PDF

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CN1210000C
CN1210000C CN 00800601 CN00800601A CN1210000C CN 1210000 C CN1210000 C CN 1210000C CN 00800601 CN00800601 CN 00800601 CN 00800601 A CN00800601 A CN 00800601A CN 1210000 C CN1210000 C CN 1210000C
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detector
projection
projection data
data
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CN1300201A (zh
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W·－T·林
I·N·阿马德
P·M·埃迪克
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General Electric Co
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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
    • A61B6/02—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
    • A61B6/02—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

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
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  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
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  • High Energy & Nuclear Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
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CN 00800601 1999-04-15 2000-04-14 在利用仅覆盖一半视场的减小尺寸的检测器的计算机x－射线断层成像系统中应用的方法和装置 Expired - Fee Related CN1210000C (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US12939899P 1999-04-15 1999-04-15
US60/129398 1999-04-15
US60/129,398 1999-04-15
US16650099P 1999-11-19 1999-11-19
US60/166,500 1999-11-19
US60/166500 1999-11-19

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CN1300201A CN1300201A (zh) 2001-06-20
CN1210000C true CN1210000C (zh) 2005-07-13

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JP (2) JP2002541896A (enExample)
CN (1) CN1210000C (enExample)
AU (1) AU4352400A (enExample)
DE (1) DE10081367T1 (enExample)
WO (1) WO2000062674A1 (enExample)

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FR2820045A1 (fr) 2001-01-29 2002-08-02 Chabunda Christophe Mwanza Dispositif bilina-imatron de stereoradiotherapie par acceleration et collision des particules des 2 faisceaux d'irriadiation synchrones associe a un dispositif de verification instantannee de delivrance des radiations
US7099428B2 (en) 2002-06-25 2006-08-29 The Regents Of The University Of Michigan High spatial resolution X-ray computed tomography (CT) system
GB2422759B (en) * 2004-08-05 2008-07-16 Elekta Ab Rotatable X-ray scan apparatus with cone beam offset
JP4820561B2 (ja) * 2005-03-14 2011-11-24 株式会社東芝 核医学診断装置
WO2007020318A2 (en) * 2005-08-17 2007-02-22 Palodex Group Oy X-ray imaging apparatus and x-ray imaging method for eccentric ct scanning
CN100435733C (zh) * 2005-12-31 2008-11-26 清华大学 X-ct扫描系统
CN101505658B (zh) 2006-08-17 2015-08-19 皇家飞利浦电子股份有限公司 计算机断层摄影图像获取
EP2119326B1 (en) 2007-01-24 2017-03-15 Dental Imaging Technologies Corporation Adjustable scanner
DE602008005584D1 (de) 2007-06-11 2011-04-28 Morgan Electro Ceramics Bv Bildgebungssystem und bildgebungsverfahren zur abbildung eines interessensbereiches
JP5514195B2 (ja) * 2008-05-09 2014-06-04 コーニンクレッカ フィリップス エヌ ヴェ 運動する物体の画像を生成するための装置
CN102325499B (zh) * 2009-01-21 2014-07-16 皇家飞利浦电子股份有限公司 用于大视场成像及运动伪影的探测和补偿的方法和装置
CN104545976B (zh) * 2014-12-30 2017-04-19 上海优益基医疗器械有限公司 计算机体层摄影方法和装置
EP3558129B1 (en) * 2016-12-21 2020-07-29 Koninklijke Philips N.V. Scaled radiography reconstruction
CN107714072B (zh) * 2017-11-20 2019-09-20 中国科学院高能物理研究所 缺失数据的补偿方法、计算机断层扫描成像方法及系统
US10426424B2 (en) 2017-11-21 2019-10-01 General Electric Company System and method for generating and performing imaging protocol simulations
CN111374693A (zh) * 2018-12-27 2020-07-07 有方（合肥）医疗科技有限公司 口腔ct
CN117257340A (zh) * 2023-11-21 2023-12-22 北京朗视仪器股份有限公司 一种异形探测器、医疗影像设备以及图像补全方法

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JPH0824674B2 (ja) * 1986-03-31 1996-03-13 株式会社東芝 Ｘ線ｃｔ装置
US5265142A (en) * 1992-05-08 1993-11-23 General Electric Company Image reconstruction technique for a computer tomography system
JP3637074B2 (ja) * 1992-12-15 2005-04-06 株式会社東芝 ヘリカルスキャン方式のコンピュータ断層撮影装置
US5400379A (en) * 1994-02-25 1995-03-21 General Electric Company Multi-slice x-ray CT using a detector mask
US5848117A (en) * 1996-11-27 1998-12-08 Analogic Corporation Apparatus and method for computed tomography scanning using halfscan reconstruction with asymmetric detector system
JPH10290798A (ja) * 1997-04-17 1998-11-04 Ge Yokogawa Medical Syst Ltd 投影データ測定方法および装置並びにｘ線ｃｔ装置
DE19721535C2 (de) * 1997-05-22 2001-09-06 Siemens Ag Röntgen-Computertomograph zur Erzeugung von Röntgenschattenbildern

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CN1300201A (zh) 2001-06-20
WO2000062674A1 (en) 2000-10-26
JP2002541896A (ja) 2002-12-10
JP5194095B2 (ja) 2013-05-08
AU4352400A (en) 2000-11-02
JP2011031070A (ja) 2011-02-17
DE10081367T1 (de) 2001-06-28

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