CN1688254B - X线断层摄影装置 - Google Patents

X线断层摄影装置 Download PDF

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Publication number
CN1688254B
CN1688254B CN03824376.8A CN03824376A CN1688254B CN 1688254 B CN1688254 B CN 1688254B CN 03824376 A CN03824376 A CN 03824376A CN 1688254 B CN1688254 B CN 1688254B
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China
Prior art keywords
data
projection data
projection
phase
phase range
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Expired - Fee Related
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CN03824376.8A
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English (en)
Chinese (zh)
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CN1688254A (zh
Inventor
后藤大雅
宫崎靖
广川浩一
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Hitachi Ltd
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Hitachi Medical Corp
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • 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
    • 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
    • A61B6/40—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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN03824376.8A 2002-10-18 2003-08-28 X线断层摄影装置 Expired - Fee Related CN1688254B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2002304463 2002-10-18
JP304463/2002 2002-10-18
JP2003078125A JP4360817B2 (ja) 2002-10-18 2003-03-20 放射線断層撮影装置
JP78125/2003 2003-03-20
PCT/JP2003/010971 WO2004034908A1 (ja) 2002-10-18 2003-08-28 X線断層撮影装置

Publications (2)

Publication Number Publication Date
CN1688254A CN1688254A (zh) 2005-10-26
CN1688254B true CN1688254B (zh) 2010-09-29

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Family Applications (1)

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CN03824376.8A Expired - Fee Related CN1688254B (zh) 2002-10-18 2003-08-28 X线断层摄影装置

Country Status (4)

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US (1) US7684539B2 (enExample)
JP (1) JP4360817B2 (enExample)
CN (1) CN1688254B (enExample)
WO (1) WO2004034908A1 (enExample)

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JP4509971B2 (ja) * 2006-06-09 2010-07-21 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 Ｘ線ｃｔ装置
US8184891B2 (en) * 2006-10-18 2012-05-22 Koninklijke Philips Electronics, N.V. Imaging system, imaging method and computer program for imaging a region of interest
US8116426B2 (en) * 2008-11-11 2012-02-14 Kabushiki Kaisha Toshiba Computed tomography device and method using circular-pixel position-adaptive interpolation
US8159493B2 (en) 2009-02-03 2012-04-17 Xerox Corporation Adaptive grand tour
JP5878119B2 (ja) * 2010-06-17 2016-03-08 株式会社日立メディコ Ｘ線ｃｔ装置、及びその制御方法
JP5601683B2 (ja) * 2010-06-28 2014-10-08 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 画像生成装置およびプログラム並びにｘ線ｃｔ装置
JP5728304B2 (ja) * 2011-06-21 2015-06-03 株式会社日立メディコ Ｘ線ｃｔ装置及び画像再構成方法
JP5968316B2 (ja) * 2011-07-08 2016-08-10 株式会社日立製作所 画像再構成装置及び画像再構成方法
US9406121B2 (en) 2012-04-24 2016-08-02 Hitachi Medical Corporation X-ray CT apparatus and image reconstruction method
US9864184B2 (en) 2012-10-30 2018-01-09 California Institute Of Technology Embedded pupil function recovery for fourier ptychographic imaging devices
WO2014070656A1 (en) 2012-10-30 2014-05-08 California Institute Of Technology Fourier ptychographic imaging systems, devices, and methods
US10652444B2 (en) 2012-10-30 2020-05-12 California Institute Of Technology Multiplexed Fourier ptychography imaging systems and methods
CN103961122B (zh) * 2013-01-31 2018-07-31 通用电气公司 用于非等γ角CT系统中数据转换的方法和装置
WO2015017730A1 (en) 2013-07-31 2015-02-05 California Institute Of Technoloby Aperture scanning fourier ptychographic imaging
WO2015027188A1 (en) 2013-08-22 2015-02-26 California Institute Of Technoloby Variable-illumination fourier ptychographic imaging devices, systems, and methods
US9724540B2 (en) * 2014-02-24 2017-08-08 National Institutes For Quantum And Radiology Science And Technology Moving-body tracking device for radiation therapy, irradiation region determining device for radiation therapy, and radiation therapy device
US11468557B2 (en) 2014-03-13 2022-10-11 California Institute Of Technology Free orientation fourier camera
WO2016106379A1 (en) 2014-12-22 2016-06-30 California Institute Of Technology Epi-illumination fourier ptychographic imaging for thick samples
WO2016118761A1 (en) * 2015-01-21 2016-07-28 California Institute Of Technology Fourier ptychographic tomography
AU2016211635A1 (en) 2015-01-26 2017-06-29 California Institute Of Technology Multi-well fourier ptychographic and fluorescence imaging
WO2016129433A1 (ja) * 2015-02-12 2016-08-18 株式会社日立製作所 Ｘ線ｃｔ装置、画像処理装置及び画像再構成方法
CA2979392A1 (en) 2015-03-13 2016-09-22 California Institute Of Technology Correcting for aberrations in incoherent imaging system using fourier ptychographic techniques
JP6654102B2 (ja) * 2016-05-31 2020-02-26 株式会社日立製作所 粒子線治療システム
US11092795B2 (en) 2016-06-10 2021-08-17 California Institute Of Technology Systems and methods for coded-aperture-based correction of aberration obtained from Fourier ptychography
US10568507B2 (en) 2016-06-10 2020-02-25 California Institute Of Technology Pupil ptychography methods and systems
US10754140B2 (en) 2017-11-03 2020-08-25 California Institute Of Technology Parallel imaging acquisition and restoration methods and systems
WO2021168725A1 (en) * 2020-02-27 2021-09-02 Shenzhen Xpectvision Technology Co., Ltd. Imaging system
WO2022183078A1 (en) 2021-02-25 2022-09-01 California Institute Of Technology Computational refocusing-assisted deep learning

Citations (2)

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US5889833A (en) * 1997-06-17 1999-03-30 Kabushiki Kaisha Toshiba High speed computed tomography device and method
CN1346980A (zh) * 2000-09-26 2002-05-01 株式会社岛津制作所 Ct装置

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JP2914891B2 (ja) * 1995-07-05 1999-07-05 株式会社東芝 Ｘ線コンピュータ断層撮影装置
CN1107290C (zh) * 1996-05-02 2003-04-30 西门子公司 计算机层析x射线摄影机的图像再现方法
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
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Patent Citations (2)

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CN1346980A (zh) * 2000-09-26 2002-05-01 株式会社岛津制作所 Ct装置

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JP特开2002-291732A 2002.10.08
JP特开平10-290798A 1998.11.04
JP特开平11-253434A 1999.09.21
JP特开平8-187240A 1996.07.23

Also Published As

Publication number Publication date
JP4360817B2 (ja) 2009-11-11
JP2004188163A (ja) 2004-07-08
US7684539B2 (en) 2010-03-23
WO2004034908A1 (ja) 2004-04-29
CN1688254A (zh) 2005-10-26
US20060165211A1 (en) 2006-07-27

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