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; CALCULATING OR 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; CALCULATING OR 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)
  • Image Processing (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Optics & Photonics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Image Analysis (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biophysics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
IN319CH2014 2013-01-31 2014-01-27 IN2014CH00319A (zh)

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 (zh) 2015-04-03

Family

ID=51222943

Family Applications (1)

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

Country Status (4)

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

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
WO2004072905A1 (en) * 2003-02-14 2004-08-26 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
US7251307B2 (en) * 2004-11-24 2007-07-31 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
JP2014147752A (ja) 2014-08-21
JP6446178B2 (ja) 2018-12-26
US20140211908A1 (en) 2014-07-31
CN103961122A (zh) 2014-08-06
JP2019018030A (ja) 2019-02-07
US9443278B2 (en) 2016-09-13
CN103961122B (zh) 2018-07-31
JP6680844B2 (ja) 2020-04-15

Similar Documents

Publication Publication Date Title
WO2011095810A3 (en) Scanning systems
IN2014CN02779A (zh)
IN2014CH00319A (zh)
BR112017019834A2 (pt) método e sistema de inspeção não destrutiva para inspeção em linha de um objeto; e uso de um método
EP2523604A4 (en) METHOD AND SYSTEM FOR COMPUTERIZED TOMOGRAPHIC IMAGING
BR112017013314A2 (pt) método e dispositivo de tomografia computadorizada
WO2015126205A3 (en) Tomography apparatus and method for reconstructing tomography image thereof
EP2648082A3 (en) Information processing apparatus comprising an image generation unit and an imaging unit, related program, and method
WO2014011681A3 (en) Super-resolution tomosynthesis imaging systems and methods
WO2011150069A3 (en) Apparatus, systems, methods and computer-accessible medium for spectral analysis of optical coherence tomography images
WO2012122398A3 (en) Talbot imaging devices and systems
PH12013000015A1 (en) Optical coherence tomographic apparatus, control method for optical coherence tomographic apparatus and storage maedium
WO2013019985A3 (en) 2d/3d registration of a digital mouse atlas with x-ray projection images and optical camera photos
GB201217215D0 (en) Method and apparatus for generating an enhanced image from medical imaging data
JP2015508011A5 (zh)
WO2013126649A3 (en) X-ray imager with sparse detector array
JP2015035198A5 (zh)
WO2012110898A3 (en) System and method for multi-scanner x-ray inspection
WO2014120727A3 (en) Method and apparatus for generating a derived image using images of different types
BR112016014808A2 (zh) CT system and method
BR112013022668A2 (pt) aparelho e método para gerar uma imagem, e, mídia de gravação
GB2557474A (en) A medical imaging system for determining a scan orientation
GB201020077D0 (en) Correlating planar to tomograph data
MX2017015731A (es) Dispositivo de adquisicion de imagenes, metodo de adquisicion de imagenes y programa de correccion de imagenes.
WO2012001496A3 (en) New imaging modality using penetrating radiations