IL73754A - Attenuation compensated emission reconstruction method and apparatus - Google Patents

Attenuation compensated emission reconstruction method and apparatus

Info

Publication number
IL73754A
IL73754A IL73754A IL7375484A IL73754A IL 73754 A IL73754 A IL 73754A IL 73754 A IL73754 A IL 73754A IL 7375484 A IL7375484 A IL 7375484A IL 73754 A IL73754 A IL 73754A
Authority
IL
Israel
Prior art keywords
reconstruction method
emission reconstruction
compensated emission
attenuation compensated
attenuation
Prior art date
Application number
IL73754A
Other languages
English (en)
Other versions
IL73754A0 (en
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IL73754A0 publication Critical patent/IL73754A0/xx
Publication of IL73754A publication Critical patent/IL73754A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
    • G01T1/1611—Applications in the field of nuclear medicine, e.g. in vivo counting using both transmission and emission sources sequentially
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
    • 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
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/424—Iterative
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Medical Informatics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pure & Applied Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Medical Treatment And Welfare Office Work (AREA)
  • Nuclear Medicine (AREA)
  • Processing Or Creating Images (AREA)
IL73754A 1983-12-07 1984-12-06 Attenuation compensated emission reconstruction method and apparatus IL73754A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/558,922 US4633398A (en) 1983-12-07 1983-12-07 Attenuation compensated emission reconstruction with simultaneous attenuation factor evaluation

Publications (2)

Publication Number Publication Date
IL73754A0 IL73754A0 (en) 1985-03-31
IL73754A true IL73754A (en) 1988-08-31

Family

ID=24231550

Family Applications (1)

Application Number Title Priority Date Filing Date
IL73754A IL73754A (en) 1983-12-07 1984-12-06 Attenuation compensated emission reconstruction method and apparatus

Country Status (5)

Country Link
US (1) US4633398A (xx)
EP (1) EP0145998B1 (xx)
JP (1) JPH0627824B2 (xx)
DE (1) DE3486321T2 (xx)
IL (1) IL73754A (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4930076A (en) * 1988-11-09 1990-05-29 General Electric Company Systolic radon transform processor
US5043890A (en) * 1989-06-12 1991-08-27 General Electric Compensation of computed tomography data for objects positioned outside the field of view of the reconstructed image
US5136660A (en) * 1989-10-13 1992-08-04 International Business Machines Corporation Apparatus and method for computing the radon transform of digital images
US5376795A (en) * 1990-07-09 1994-12-27 Regents Of The University Of California Emission-transmission imaging system using single energy and dual energy transmission and radionuclide emission data
US5338936A (en) * 1991-06-10 1994-08-16 Thomas E. Kocovsky, Jr. Simultaneous transmission and emission converging tomography
US5481115A (en) * 1991-06-10 1996-01-02 University Of Utah, The Electronic calibration of single photon emission computed tomography cameras
US5390225A (en) * 1992-06-29 1995-02-14 Siemens Medical Systems, Inc. Mapping slices of the human body into regions having a constant linear attenuation coefficient for correcting images acquired during a nuclear medicine study for attenuation artifacts
US5528522A (en) * 1992-10-30 1996-06-18 United States Of America Portable radar or beacon emulator
FR2733841B1 (fr) * 1995-05-04 1997-05-30 Commissariat Energie Atomique Procede de realisation de la cartographie d'emission d'un corps corrigee de l'attenuation par ce corps
EP1685457A2 (en) * 2003-09-22 2006-08-02 Kim Hyeung-Yun Methods for monitoring structural health conditions
DE602004026460D1 (de) * 2003-10-14 2010-05-20 Philips Intellectual Property Iterative daten-rekonstruktion
US7447345B2 (en) * 2003-12-16 2008-11-04 General Electric Company System and method for generating PET-CT images
US7348564B2 (en) * 2005-12-12 2008-03-25 General Electric Company Multi modality imaging methods and apparatus
US7551708B2 (en) * 2007-02-07 2009-06-23 General Electric Company Method of iterative reconstruction for energy discriminating computed tomography systems
JP6619258B2 (ja) * 2016-02-29 2019-12-11 株式会社日立製作所 Ｘ線検出器、ｘ線ｃｔ装置、ｘ線検出方法、及びｘ線検出プログラム

Also Published As

Publication number Publication date
IL73754A0 (en) 1985-03-31
EP0145998B1 (en) 1994-06-22
EP0145998A3 (en) 1988-07-27
DE3486321T2 (de) 1995-03-16
DE3486321D1 (de) 1994-07-28
JPS60156179A (ja) 1985-08-16
JPH0627824B2 (ja) 1994-04-13
EP0145998A2 (en) 1985-06-26
US4633398A (en) 1986-12-30

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