JP4676641B2 - マルチ・スライスｃｔ走査の螺旋再構成の方法及び装置 - Google Patents

マルチ・スライスｃｔ走査の螺旋再構成の方法及び装置 Download PDF

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JP4676641B2
JP4676641B2 JP2001125175A JP2001125175A JP4676641B2 JP 4676641 B2 JP4676641 B2 JP 4676641B2 JP 2001125175 A JP2001125175 A JP 2001125175A JP 2001125175 A JP2001125175 A JP 2001125175A JP 4676641 B2 JP4676641 B2 JP 4676641B2
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detector
apply
attenuation measurement
attenuation
measurements
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JP2002034970A5 (https=
JP2002034970A (ja
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ジャン・ヘシエー
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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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    • 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]
    • 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
    • A61B6/02—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
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph
    • 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
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/612—Specific applications or type of materials biological material
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/421—Filtered back projection [FBP]

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Immunology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
JP2001125175A 2000-04-24 2001-04-24 マルチ・スライスｃｔ走査の螺旋再構成の方法及び装置 Expired - Fee Related JP4676641B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/557108 2000-04-24
US09/557,108 US6980681B1 (en) 2000-04-24 2000-04-24 Methods and apparatus for helical reconstruction for multislice CT scan

Publications (3)

Publication Number Publication Date
JP2002034970A JP2002034970A (ja) 2002-02-05
JP2002034970A5 JP2002034970A5 (https=) 2008-06-05
JP4676641B2 true JP4676641B2 (ja) 2011-04-27

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JP2001125175A Expired - Fee Related JP4676641B2 (ja) 2000-04-24 2001-04-24 マルチ・スライスｃｔ走査の螺旋再構成の方法及び装置

Country Status (3)

Country Link
US (1) US6980681B1 (https=)
JP (1) JP4676641B2 (https=)
DE (1) DE10119751A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7020243B2 (en) * 2003-12-05 2006-03-28 Ge Medical Systems Global Technology Company Llc Method and system for target angle heel effect compensation
EP1886257A1 (en) 2005-05-11 2008-02-13 Optosecurity Inc. Method and system for screening luggage items, cargo containers or persons
US7991242B2 (en) 2005-05-11 2011-08-02 Optosecurity Inc. Apparatus, method and system for screening receptacles and persons, having image distortion correction functionality
US7899232B2 (en) 2006-05-11 2011-03-01 Optosecurity Inc. Method and apparatus for providing threat image projection (TIP) in a luggage screening system, and luggage screening system implementing same
CN101074936B (zh) * 2006-05-19 2010-12-29 Ge医疗系统环球技术有限公司 X射线ct设备
US8494210B2 (en) 2007-03-30 2013-07-23 Optosecurity Inc. User interface for use in security screening providing image enhancement capabilities and apparatus for implementing same
US9111331B2 (en) 2011-09-07 2015-08-18 Rapiscan Systems, Inc. X-ray inspection system that integrates manifest data with imaging/detection processing
US8885975B2 (en) * 2012-06-22 2014-11-11 General Electric Company Method and apparatus for iterative reconstruction
US9689812B2 (en) * 2014-10-15 2017-06-27 Morpho Detection, Llc Systems and methods for generating two-dimensional images from projection data
US10950012B2 (en) * 2015-01-09 2021-03-16 Shimadzu Corporation Radiation image generation method and image processing device
CN104992422A (zh) * 2015-07-10 2015-10-21 天津商业大学 基于离散剪切波正则化的低剂量ct图像统计重建方法
PL3764281T3 (pl) 2016-02-22 2025-02-10 Rapiscan Systems, Inc. Sposoby identyfikacji broni palnej na obrazach radiograficznych

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4054402B2 (ja) * 1997-04-25 2008-02-27 株式会社東芝 Ｘ線断層撮影装置
US5233518A (en) * 1989-11-13 1993-08-03 General Electric Company Extrapolative reconstruction method for helical scanning
US5513120A (en) * 1993-01-19 1996-04-30 Elscint Ltd. Special interpolation filters
JP3499624B2 (ja) * 1995-01-11 2004-02-23 株式会社東芝 コンピュータ断層撮影装置
US5559847A (en) * 1995-12-06 1996-09-24 General Electric Company Systems, methods and apparatus for reconstructing images in a CT system implementing a helical scan
US5974108A (en) * 1995-12-25 1999-10-26 Kabushiki Kaisha Toshiba X-ray CT scanning apparatus
JP3455041B2 (ja) * 1995-12-25 2003-10-06 株式会社東芝 Ｘ線ｃｔ装置
US5828718A (en) 1996-11-27 1998-10-27 Analogic Corporation Method and apparatus for helical computed tomography scanning with asymmetric detector system
US5848117A (en) 1996-11-27 1998-12-08 Analogic Corporation Apparatus and method for computed tomography scanning using halfscan reconstruction with asymmetric detector system
JP4155529B2 (ja) * 1997-02-17 2008-09-24 株式会社東芝 Ｘ線ｃｔ装置
US5946371A (en) * 1997-12-08 1999-08-31 Analogic Corporation Method and apparatus for volumetric computed tomography scanning with offset symmetric or asymmetric detector system
JP2000051197A (ja) * 1998-08-05 2000-02-22 Toshiba Corp 医用画像処理装置
US6269139B1 (en) 1999-09-07 2001-07-31 General Electric Company Methods and apparatus for pre-filtering weighting in image reconstruction
US6285732B1 (en) 1999-11-16 2001-09-04 General Electric Company Methods and apparatus for adaptive interpolation reduced view CT scan
US6353653B1 (en) * 1999-11-23 2002-03-05 General Electric Company Method and apparatus for reducing artifacts in images reconstructed from image data acquired by a computed tomography system

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DE10119751A1 (de) 2001-11-08
JP2002034970A (ja) 2002-02-05
US6980681B1 (en) 2005-12-27

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