JP4441095B2 - コーン・ビーム・マルチスライス式ｃｔ補正方法及び装置 - Google Patents

コーン・ビーム・マルチスライス式ｃｔ補正方法及び装置 Download PDF

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JP4441095B2
JP4441095B2 JP2000326256A JP2000326256A JP4441095B2 JP 4441095 B2 JP4441095 B2 JP 4441095B2 JP 2000326256 A JP2000326256 A JP 2000326256A JP 2000326256 A JP2000326256 A JP 2000326256A JP 4441095 B2 JP4441095 B2 JP 4441095B2
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source
detector
ray
angle
voxel
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JP2001161678A5 (https=
JP2001161678A (ja
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ガイ・ダブリュー・ベッソン
セーラ・キャサリン・パッチ
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GE Medical Systems Global Technology Co LLC
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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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/20—Inverse problem, i.e. transformations from projection space into object space
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph
    • 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

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pathology (AREA)
  • Pulmonology (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2000326256A 1999-10-27 2000-10-26 コーン・ビーム・マルチスライス式ｃｔ補正方法及び装置 Expired - Lifetime JP4441095B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/428,183 US6459754B1 (en) 1999-10-27 1999-10-27 Methods and apparatus for cone beam multislice CT correction
US09/428183 1999-10-27

Publications (3)

Publication Number Publication Date
JP2001161678A JP2001161678A (ja) 2001-06-19
JP2001161678A5 JP2001161678A5 (https=) 2009-12-03
JP4441095B2 true JP4441095B2 (ja) 2010-03-31

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JP2000326256A Expired - Lifetime JP4441095B2 (ja) 1999-10-27 2000-10-26 コーン・ビーム・マルチスライス式ｃｔ補正方法及び装置

Country Status (5)

Country Link
US (1) US6459754B1 (https=)
EP (1) EP1096426B1 (https=)
JP (1) JP4441095B2 (https=)
DE (1) DE60042677D1 (https=)
IL (1) IL139153A0 (https=)

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US6584166B2 (en) * 2001-04-03 2003-06-24 Kabushiki Kaisha Toshiba X-ray computerized tomographic apparatus
DE10127269B4 (de) * 2001-06-05 2015-09-24 Siemens Aktiengesellschaft Verfahren für die Computertomographie sowie Computertomographie (CT)-Gerät
US6490334B1 (en) 2001-06-29 2002-12-03 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for high pitch helical computed tomography image reconstruction
US6771733B2 (en) * 2001-08-16 2004-08-03 University Of Central Florida Method of reconstructing images for spiral and non-spiral computer tomography
US6574299B1 (en) * 2001-08-16 2003-06-03 University Of Central Florida Exact filtered back projection (FBP) algorithm for spiral computer tomography
US7280632B2 (en) * 2001-08-16 2007-10-09 University Of Central Florida Research Foundation, Inc. Exact filtered back projection (FBP) algorithm for spiral computer tomography with variable pitch
DE10204926A1 (de) * 2002-02-07 2003-08-21 Philips Intellectual Property Sequentielles Computertomographie-Verfahren
US6850589B2 (en) * 2002-03-27 2005-02-01 Agilent Technologies, Inc. Tomography of curved surfaces
US6754299B2 (en) * 2002-08-02 2004-06-22 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for weighting of computed tomography data
JP4030827B2 (ja) * 2002-08-13 2008-01-09 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 投影データ作成方法、画素データ作成方法およびマルチ検出器ｘ線ｃｔ装置
DE10244180B4 (de) * 2002-09-23 2009-08-27 Siemens Ag Verfahren zur Bilderstellung in der Computertomographie eines periodisch bewegten Untersuchungsobjektes und CT-Gerät zur Durchführung des Verfahrens
EP1576446A4 (en) * 2002-12-04 2009-02-18 Univ Central Florida Res Found 3PI ALGORITHM FOR SPIRAL CT
DE10304662A1 (de) * 2003-02-05 2004-08-19 Siemens Ag Verfahren zur Erzeugung von Bildern in der Computertomographie mit einem 3D-Bildrekonstruktionsverfahren
WO2004075118A1 (en) * 2003-02-20 2004-09-02 Koninklijke Philips Electronics N.V. Asymmetric cone beam
JP2004313657A (ja) 2003-04-21 2004-11-11 Ge Medical Systems Global Technology Co Llc 放射線計算断層画像装置
US6973158B2 (en) * 2003-06-25 2005-12-06 Besson Guy M Multi-target X-ray tube for dynamic multi-spectral limited-angle CT imaging
US6990167B2 (en) * 2003-08-29 2006-01-24 Wisconsin Alumni Research Foundation Image reconstruction method for divergent beam scanner
JP4090970B2 (ja) * 2003-09-09 2008-05-28 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 放射線断層画像撮影装置と放射線断層画像撮影方法および画像生成装置と画像生成方法
DE10348796B4 (de) * 2003-10-21 2007-09-27 Siemens Ag Vorrichtung zur räumlichen Modulation eines Röntgenstrahlbündels und Röntgenbildsystem
US7480363B2 (en) * 2004-09-15 2009-01-20 Ge Betz, Inc. Converting a digital radiograph to an absolute thickness map
US7272205B2 (en) * 2004-11-17 2007-09-18 Purdue Research Foundation Methods, apparatus, and software to facilitate computing the elements of a forward projection matrix
DE102007013417A1 (de) * 2007-03-20 2008-09-25 Siemens Ag Nachbearbeitung von medizinischen Schichtbilddaten
CN101917906A (zh) * 2008-01-30 2010-12-15 加利福尼亚大学董事会 通过将物体的围绕物用作动态约束在断层扫描中减少剂量并增强图像
CN102253061B (zh) * 2011-04-19 2013-07-10 东南大学 立式锥束计算机断层成像校准系统及应用该系统的方法
DE102012217163B4 (de) * 2012-09-24 2022-06-02 Siemens Healthcare Gmbh Verfahren zur Rekonstruktion von CT-Bilddaten mit gewichteter Rückprojektion, einschließlich Recheneinheit und CT-System für dieses Verfahren
US9579075B2 (en) * 2012-10-02 2017-02-28 Analogic Corporation Detector array comprising energy integrating and photon counting cells
CN103792565B (zh) * 2014-01-14 2018-03-16 北京唯迈医疗设备有限公司 一种光子计数探测器
CN109073769B (zh) * 2016-02-19 2022-11-25 卡里姆·S·卡里姆 用于x射线探测器中的改进的量子探测效率的方法及装置
CN109875591B (zh) * 2019-03-14 2020-05-29 浙江大学 一种锥束ct系统的几何标定方法
EP3977937A1 (en) * 2020-09-30 2022-04-06 FEI Company Method of investigating a specimen using a tomographic imaging apparatus

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US5377250A (en) * 1992-08-07 1994-12-27 General Electric Company Reconstruction method for helical scanning computed tomography apparatus with multi-row detector array
US5430783A (en) 1992-08-07 1995-07-04 General Electric Company Reconstruction method for helical scanning computed tomography apparatus with multi-row detector array employing overlapping beams
US5400255A (en) 1994-02-14 1995-03-21 General Electric Company Reconstruction of images from cone beam data
US5960056A (en) 1997-07-01 1999-09-28 Analogic Corporation Method and apparatus for reconstructing volumetric images in a helical scanning computed tomography system with multiple rows of detectors
US6075836A (en) * 1997-07-03 2000-06-13 University Of Rochester Method of and system for intravenous volume tomographic digital angiography imaging
US6078638A (en) * 1998-09-30 2000-06-20 Siemens Corporate Research, Inc. Pixel grouping for filtering cone beam detector data during 3D image reconstruction

Also Published As

Publication number Publication date
DE60042677D1 (de) 2009-09-17
EP1096426A1 (en) 2001-05-02
IL139153A0 (en) 2001-11-25
EP1096426B1 (en) 2009-08-05
JP2001161678A (ja) 2001-06-19
US6459754B1 (en) 2002-10-01

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