DE69725599D1 - Verfahren zur korrektur von bilddaten einer gammakamera - Google Patents

Verfahren zur korrektur von bilddaten einer gammakamera

Info

Publication number
DE69725599D1
DE69725599D1 DE69725599T DE69725599T DE69725599D1 DE 69725599 D1 DE69725599 D1 DE 69725599D1 DE 69725599 T DE69725599 T DE 69725599T DE 69725599 T DE69725599 T DE 69725599T DE 69725599 D1 DE69725599 D1 DE 69725599D1
Authority
DE
Germany
Prior art keywords
image data
gamma camera
correcting image
correcting
gamma
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
DE69725599T
Other languages
English (en)
Other versions
DE69725599T2 (de
Inventor
Gideon Berlad
Naor Wainer
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.)
GE Medical Systems Israel Ltd
Original Assignee
GE Medical Systems Israel 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
Application filed by GE Medical Systems Israel Ltd filed Critical GE Medical Systems Israel Ltd
Application granted granted Critical
Publication of DE69725599D1 publication Critical patent/DE69725599D1/de
Publication of DE69725599T2 publication Critical patent/DE69725599T2/de
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
    • G01T1/1647—Processing of scintigraphic data
    • 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
DE69725599T 1996-10-27 1997-06-29 Verfahren zur korrektur von bilddaten einer gammakamera Expired - Fee Related DE69725599T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IL11949796A IL119497A0 (en) 1996-10-27 1996-10-27 Medical imaging system incorporating incremental correction maps
IL11949796 1996-10-27
PCT/IL1997/000217 WO1998019179A1 (en) 1996-10-27 1997-06-29 Gamma camera with two sequential correction maps

Publications (2)

Publication Number Publication Date
DE69725599D1 true DE69725599D1 (de) 2003-11-20
DE69725599T2 DE69725599T2 (de) 2004-08-05

Family

ID=11069409

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69725599T Expired - Fee Related DE69725599T2 (de) 1996-10-27 1997-06-29 Verfahren zur korrektur von bilddaten einer gammakamera

Country Status (6)

Country Link
US (1) US6559450B1 (de)
EP (3) EP0934537B1 (de)
JP (1) JP2001508171A (de)
DE (1) DE69725599T2 (de)
IL (1) IL119497A0 (de)
WO (1) WO1998019179A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL122357A0 (en) * 1997-11-27 1998-04-05 Elgems Ltd Calibration of pet cameras
FR2782562B1 (fr) * 1998-08-18 2000-09-29 Cogema Procede de simulation de la reponse d'un detecteur de rayonnements emis par des objets radioactifs et procede de controle d'elements de combustible nucleaire utilisant cette simulation
JP2000321357A (ja) * 1999-03-10 2000-11-24 Toshiba Corp 核医学診断装置
WO2003069368A2 (en) * 2002-02-14 2003-08-21 Technion Research And Development Foundation Ltd. Gamma camera for emission tomography and method for adaptive event position estimation
JP2003284707A (ja) * 2002-03-27 2003-10-07 Canon Inc 撮影装置、ゲイン補正方法、記録媒体及びプログラム
WO2005040855A1 (en) * 2003-10-27 2005-05-06 Koninklijke Philips Electronics, N.V. Calibration method and apparatus for pixilated solid state detector
US7417232B2 (en) * 2005-06-17 2008-08-26 Siemens Medical Solutions Usa, Inc. Systems and methods for camera calibration
US7777191B2 (en) * 2005-10-20 2010-08-17 The Board Of Trustees Of The Leland Stanford Junior University Method and system of adaptive exposure for a camera
EP2199830B1 (de) * 2008-12-19 2014-07-02 Leibniz-Institut für Neurobiologie Vorrichtung zur ortsaufgelösten Messung und Verfahren zum Erwerb von Raumkoordinaten eines darauf treffenden Quantenstrahls
US8022357B2 (en) * 2009-12-30 2011-09-20 General Electric Company Systems and methods for generating calibration maps for non-pixelated gamma detectors
US8415632B2 (en) * 2010-03-09 2013-04-09 General Electric Company Methods and systems for calibrating a nuclear medicine imaging system
KR101999266B1 (ko) * 2012-12-31 2019-07-12 삼성전자주식회사 엑스선 영상 장치 및 그 제어 방법
JP7395269B2 (ja) * 2018-06-25 2023-12-11 キヤノンメディカルシステムズ株式会社 医用情報処理装置
JP7317580B2 (ja) * 2018-06-25 2023-07-31 キヤノンメディカルシステムズ株式会社 医用放射線検出器及び医用情報処理装置
CN109191386B (zh) * 2018-07-18 2020-11-06 武汉精测电子集团股份有限公司 一种基于BPNN的快速Gamma校正方法及装置
JP7224829B2 (ja) * 2018-09-28 2023-02-20 キヤノンメディカルシステムズ株式会社 医用画像処理装置および方法
US10768318B2 (en) * 2018-10-17 2020-09-08 Canon Medical Systems Corporation Method and apparatus to determine energy correction arising from multi-channel detection in a gamma detector exhibiting non-linear energy measurement and/or cross-talk among channels
CN109884682B (zh) * 2019-02-01 2020-12-01 东软医疗系统股份有限公司 一种晶体位置查找表的生成方法、装置、设备及介质
US11255985B2 (en) * 2019-05-31 2022-02-22 Canon Medical Systems Corporation Method and apparatus to use a broad-spectrum energy source to correct a nonlinear energy response of a gamma-ray detector
US11501121B2 (en) 2020-01-07 2022-11-15 Siemens Medical Solutions Usa, Inc. Binomial subsample data augmented CNN for image classification
US11067705B1 (en) 2020-01-08 2021-07-20 Siemens Medical Solutions Usa, Inc. CNN-based abnormality score map for SPECT gamma camera flood analysis

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2286393A1 (fr) * 1974-09-27 1976-04-23 Labo Electronique Physique Systeme automatique de reetalonnage permanent pour camera a scintillation
US4588897A (en) * 1980-06-19 1986-05-13 Elscint, Ltd. Gamma camera correction system and method for using the same
US4424446B1 (en) 1980-06-19 1994-04-19 Elscint Ltd Gamma camera correction system and method for using the same
US4432059A (en) * 1980-09-03 1984-02-14 Elscint Ltd. Scanning gamma camera
JPS5772087A (en) 1980-10-23 1982-05-06 Hitachi Medical Corp Scinitillation camera
JP2653443B2 (ja) 1987-09-18 1997-09-17 株式会社東芝 ガンマカメラ感度補正装置
JPH05203749A (ja) * 1991-08-28 1993-08-10 Siemens Ag 多重シンチレーション事象の位置確認方法
DE59102128D1 (de) 1991-09-11 1994-08-11 Siemens Ag Verfahren zur schnellen Ortung mit dem Maximum Likelihood-Estimator bei einer Gamma-Kamera.
US5512755A (en) * 1994-05-20 1996-04-30 Summit World Trade Corp. Gamma camera device
US5550377A (en) * 1994-09-20 1996-08-27 Picker International, Inc. Technique for balancing anger cameras using an externally irradiated crystal and single tube data
US5449897A (en) 1994-10-03 1995-09-12 Adac Laboratories Automatic gain calibration for gamma camera system
US5576548A (en) * 1995-06-05 1996-11-19 University Of South Florida Nuclear imaging enhancer
US5689116A (en) * 1996-06-05 1997-11-18 General Electric Company Systems and methods for calibrating a gamma camera
DE69628858T2 (de) 1996-11-24 2004-05-06 Ge Medical Systems Israel, Ltd. Festkörper-gammakamera

Also Published As

Publication number Publication date
IL119497A0 (en) 1997-01-10
EP1408346A2 (de) 2004-04-14
EP1359439A2 (de) 2003-11-05
DE69725599T2 (de) 2004-08-05
EP1359439A3 (de) 2004-07-28
US6559450B1 (en) 2003-05-06
WO1998019179A1 (en) 1998-05-07
EP0934537A1 (de) 1999-08-11
EP0934537B1 (de) 2003-10-15
EP1408346A3 (de) 2004-07-28
JP2001508171A (ja) 2001-06-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee