FR2737580B1 - Images de camera a rayons gamma presentant des artefacts reduits - Google Patents

Images de camera a rayons gamma presentant des artefacts reduits

Info

Publication number
FR2737580B1
FR2737580B1 FR9509314A FR9509314A FR2737580B1 FR 2737580 B1 FR2737580 B1 FR 2737580B1 FR 9509314 A FR9509314 A FR 9509314A FR 9509314 A FR9509314 A FR 9509314A FR 2737580 B1 FR2737580 B1 FR 2737580B1
Authority
FR
France
Prior art keywords
gamma
camera images
ray camera
reduced artifacts
artifacts
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR9509314A
Other languages
English (en)
Other versions
FR2737580A1 (fr
Inventor
Alex Natanzon
Gideon Berlad
Dov Maor
Yigal Shrem
Adrian Soil
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Elscint Ltd
Original Assignee
Elscint Ltd
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
Priority claimed from IL98420A external-priority patent/IL98420A0/xx
Priority to US07/889,406 priority Critical patent/US5434414A/en
Priority to US08/254,571 priority patent/US5438202A/en
Priority claimed from US08/254,571 external-priority patent/US5438202A/en
Priority to US08/453,526 priority patent/US5530248A/en
Application filed by Elscint Ltd filed Critical Elscint Ltd
Priority to FR9509314A priority patent/FR2737580B1/fr
Publication of FR2737580A1 publication Critical patent/FR2737580A1/fr
Application granted granted Critical
Publication of FR2737580B1 publication Critical patent/FR2737580B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1648—Ancillary equipment for scintillation cameras, e.g. reference markers, devices for removing motion artifacts, calibration devices
    • 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
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1642—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras using a scintillation crystal and position sensing photodetector arrays, e.g. ANGER cameras
    • 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
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1647—Processing of scintigraphic data

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Nuclear Medicine (AREA)
  • Measurement Of Radiation (AREA)
FR9509314A 1991-06-09 1995-07-31 Images de camera a rayons gamma presentant des artefacts reduits Expired - Fee Related FR2737580B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US07/889,406 US5434414A (en) 1991-06-09 1992-05-28 Reduction of image artifacts caused by unwanted photons
US08/254,571 US5438202A (en) 1992-05-28 1994-06-06 Stabilized scatter free gamma camera images
US08/453,526 US5530248A (en) 1991-06-09 1995-05-30 Method of and apparatus for improving gamma camera image
FR9509314A FR2737580B1 (fr) 1991-06-09 1995-07-31 Images de camera a rayons gamma presentant des artefacts reduits

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IL98420A IL98420A0 (en) 1990-06-11 1991-06-09 Gamma camera images with reduced artifacts
US08/254,571 US5438202A (en) 1992-05-28 1994-06-06 Stabilized scatter free gamma camera images
FR9509314A FR2737580B1 (fr) 1991-06-09 1995-07-31 Images de camera a rayons gamma presentant des artefacts reduits

Publications (2)

Publication Number Publication Date
FR2737580A1 FR2737580A1 (fr) 1997-02-07
FR2737580B1 true FR2737580B1 (fr) 1997-10-10

Family

ID=27253086

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9509314A Expired - Fee Related FR2737580B1 (fr) 1991-06-09 1995-07-31 Images de camera a rayons gamma presentant des artefacts reduits

Country Status (1)

Country Link
FR (1) FR2737580B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007007247A1 (fr) * 2005-07-07 2007-01-18 Koninklijke Philips Electronics N.V. Correction a repartition multiple

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4839808A (en) * 1987-05-22 1989-06-13 The University Of Michigan Correction for compton scattering by analysis of energy spectra
US5227968A (en) * 1989-03-30 1993-07-13 Kabushiki Kaisha Toshiba Method for eliminating scattered γ-rays and reconstructing image, and gamma camera apparatus
GB2275406B (en) * 1990-06-11 1994-12-07 Elscint Ltd Compton free gamma camera images
US5438202A (en) * 1992-05-28 1995-08-01 Elscint Ltd. Stabilized scatter free gamma camera images
US5434414A (en) * 1991-06-09 1995-07-18 Elscint Ltd. Reduction of image artifacts caused by unwanted photons

Also Published As

Publication number Publication date
FR2737580A1 (fr) 1997-02-07

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Legal Events

Date Code Title Description
ST Notification of lapse