IN2014CH00319A - - Google Patents

Info

Publication number
IN2014CH00319A
IN2014CH00319A IN319CH2014A IN2014CH00319A IN 2014CH00319 A IN2014CH00319 A IN 2014CH00319A IN 319CH2014 A IN319CH2014 A IN 319CH2014A IN 2014CH00319 A IN2014CH00319 A IN 2014CH00319A
Authority
IN
India
Prior art keywords
data
beam projection
detector array
projection data
flat module
Prior art date
Application number
Other languages
English (en)
Inventor
Jiaqin Dong
Shuo Li
Jun Li
Juan Zhong
Abhishek Rawat
Original Assignee
Ge Med Sys Global Tech Co Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ge Med Sys Global Tech Co Llc filed Critical Ge Med Sys Global Tech Co Llc
Publication of IN2014CH00319A publication Critical patent/IN2014CH00319A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • 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
    • A61B6/03—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
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4233—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using matrix detectors
    • 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
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Computer Vision & Pattern Recognition (AREA)
IN319CH2014 2013-01-31 2014-01-27 IN2014CH00319A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310037988.4A CN103961122B (zh) 2013-01-31 2013-01-31 用于非等γ角CT系统中数据转换的方法和装置

Publications (1)

Publication Number Publication Date
IN2014CH00319A true IN2014CH00319A (enExample) 2015-04-03

Family

ID=51222943

Family Applications (1)

Application Number Title Priority Date Filing Date
IN319CH2014 IN2014CH00319A (enExample) 2013-01-31 2014-01-27

Country Status (4)

Country Link
US (1) US9443278B2 (enExample)
JP (2) JP6446178B2 (enExample)
CN (1) CN103961122B (enExample)
IN (1) IN2014CH00319A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110660123B (zh) * 2018-06-29 2021-08-31 清华大学 基于神经网络的三维ct图像重建方法和设备以及存储介质
CN109961489B (zh) * 2019-03-29 2023-05-16 上海联影医疗科技股份有限公司 Ct图像重建方法和装置
CN110428478B (zh) * 2019-07-15 2021-09-24 清华大学 交替光源扇束x射线ct采样方法及装置
CN111476860B (zh) * 2020-04-22 2023-10-24 上海联影医疗科技股份有限公司 图像重建方法、装置、计算机设备和存储介质
CN113017668B (zh) * 2021-02-23 2022-06-14 明峰医疗系统股份有限公司 一种基于非柱面探测器的ct图像重建方法及ct扫描仪

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4570224A (en) * 1982-11-29 1986-02-11 Elscint, Inc. Combining rebinned and unrebinned parallel ray data with unequal lateral spacing to create tomograph images
US4852132A (en) 1985-08-30 1989-07-25 Yokogawa Medical Systems Method of collecting data for x-ray tomograph
US5216601A (en) 1989-11-22 1993-06-01 General Electric Company Method for fan beam helical scanning using rebinning
US6411670B1 (en) 1999-11-17 2002-06-25 General Electric Company Data rebinning to increase resolution in CT image reconstruction
US6775347B2 (en) * 2002-05-29 2004-08-10 Ge Medical Systems Global Technology Company Methods and apparatus for reconstructing an image of an object
US7245755B1 (en) * 2002-07-10 2007-07-17 Xiaochuan Pan Algorithm for image reconstruction and image noise analysis in computed tomography
JP4360817B2 (ja) * 2002-10-18 2009-11-11 株式会社日立メディコ 放射線断層撮影装置
EP1599836B1 (en) * 2003-02-14 2010-04-21 Koninklijke Philips Electronics N.V. System and method for helical cone-beam computed tomography with exact reconstruction
CN101023448A (zh) * 2004-02-10 2007-08-22 芝加哥大学 成像系统
US7505550B2 (en) * 2004-06-16 2009-03-17 Hitachi Medical Corporation Radiotomography apparatus
WO2006058124A1 (en) * 2004-11-24 2006-06-01 Wisconsin Alumni Research Foundation Fan-beam and cone-beam image reconstruction using filtered backprojection of differentiated projection data
JP2007159878A (ja) * 2005-12-15 2007-06-28 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置およびそのｘ線ｃｔ画像再構成方法
JP4884765B2 (ja) * 2005-12-27 2012-02-29 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

Also Published As

Publication number Publication date
CN103961122B (zh) 2018-07-31
US9443278B2 (en) 2016-09-13
JP6680844B2 (ja) 2020-04-15
US20140211908A1 (en) 2014-07-31
JP6446178B2 (ja) 2018-12-26
JP2019018030A (ja) 2019-02-07
CN103961122A (zh) 2014-08-06
JP2014147752A (ja) 2014-08-21

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