DE69816626D1 - Verfahren und vorrichtung zum verhindern von 'pile-up'bei der detektion ankommender energiesignale - Google Patents

Verfahren und vorrichtung zum verhindern von 'pile-up'bei der detektion ankommender energiesignale

Info

Publication number
DE69816626D1
DE69816626D1 DE69816626T DE69816626T DE69816626D1 DE 69816626 D1 DE69816626 D1 DE 69816626D1 DE 69816626 T DE69816626 T DE 69816626T DE 69816626 T DE69816626 T DE 69816626T DE 69816626 D1 DE69816626 D1 DE 69816626D1
Authority
DE
Germany
Prior art keywords
pile
preventing
energy signals
detector
present
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
DE69816626T
Other languages
English (en)
Other versions
DE69816626T2 (de
Inventor
Wai-Hoi Wong
Hondi Li
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.)
University of Texas System
Original Assignee
University of Texas System
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 University of Texas System filed Critical University of Texas System
Publication of DE69816626D1 publication Critical patent/DE69816626D1/de
Application granted granted Critical
Publication of DE69816626T2 publication Critical patent/DE69816626T2/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
    • G01T1/1642—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
    • G01T1/17—Circuit arrangements not adapted to a particular type of detector
    • 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
    • G01T1/17—Circuit arrangements not adapted to a particular type of detector
    • G01T1/171—Compensation of dead-time counting losses
    • 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]
    • A61B6/037—Emission tomography

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Measurement Of Radiation (AREA)
  • Piles And Underground Anchors (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Nuclear Medicine (AREA)
  • Geophysics And Detection Of Objects (AREA)
DE69816626T 1997-05-07 1998-05-07 Verfahren und vorrichtung zum verhindern von 'pile-up'bei der detektion ankommender energiesignale Expired - Fee Related DE69816626T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4583697P 1997-05-07 1997-05-07
US45836P 1997-05-07
PCT/US1998/009347 WO1998050802A1 (en) 1997-05-07 1998-05-07 Method and apparatus to prevent pile-up when detecting the energy of incoming signals

Publications (2)

Publication Number Publication Date
DE69816626D1 true DE69816626D1 (de) 2003-08-28
DE69816626T2 DE69816626T2 (de) 2004-02-19

Family

ID=21940141

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69816626T Expired - Fee Related DE69816626T2 (de) 1997-05-07 1998-05-07 Verfahren und vorrichtung zum verhindern von 'pile-up'bei der detektion ankommender energiesignale

Country Status (10)

Country Link
US (2) US6310349B1 (de)
EP (1) EP1007988B1 (de)
JP (1) JP2001524217A (de)
AT (1) ATE245820T1 (de)
AU (1) AU7566198A (de)
CA (1) CA2288788A1 (de)
DE (1) DE69816626T2 (de)
ES (1) ES2202859T3 (de)
PT (1) PT1007988E (de)
WO (1) WO1998050802A1 (de)

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US7065473B2 (en) * 1999-08-27 2006-06-20 William K. Warburton Method and apparatus for improving resolution in spectrometers processing output steps from non-ideal signal sources
US6587814B1 (en) * 1999-08-27 2003-07-01 William K. Warburton Method and apparatus for improving resolution in spectrometers processing output steps from non-ideal signal sources
US6576907B1 (en) * 2000-06-01 2003-06-10 Elgems Ltd. High count rate gamma camera system
US6603125B1 (en) * 2000-06-02 2003-08-05 Koninklijke Philips Electronics, N.V. Event localization and fall-off correction by distance-dependent weighting
US6596998B1 (en) * 2000-07-31 2003-07-22 Westinghouse Electric Company Llc Method and system for identifying the source of a signal
SE531661C2 (sv) * 2000-12-14 2009-06-23 Xcounter Ab Detektering av strålning och positronemissionstomografi
US6989433B2 (en) * 2001-05-08 2006-01-24 Georgia Tech Research Corp. Low stress conformal coatings of reliability without hermeticity for microelectromechanical system based multichip module encapsulation
JP4160275B2 (ja) 2001-05-28 2008-10-01 浜松ホトニクス株式会社 エネルギー測定方法及び測定装置
US6609075B1 (en) * 2001-06-04 2003-08-19 William K. Warburton Method and apparatus for baseline correction in x-ray and nuclear spectroscopy systems
US6627898B2 (en) * 2001-06-26 2003-09-30 Westinghouse Electric Company Llc Method and system for monitoring radiation and rejecting noise
AU2003303585A1 (en) * 2002-12-20 2004-07-29 Board Of Regents, The University Of Texas System Methods and apparatus for tuning scintillation detectors
DE10320972A1 (de) * 2003-05-09 2004-12-09 Siemens Ag Verfahren zur Korrektur von durch zeitverzögerte Signalwiedergaben bedingten Fehlern bei einem Röntgendetektor
US7966155B2 (en) 2004-06-04 2011-06-21 William K. Warburton Method and apparatus for improving detection limits in x-ray and nuclear spectroscopy systems
US20060049345A1 (en) * 2004-09-09 2006-03-09 Halliburton Energy Services, Inc. Radiation monitoring apparatus, systems, and methods
US7369954B2 (en) * 2005-03-17 2008-05-06 International Business Machines Corporation Event tracing with time stamp compression and history buffer based compression
US7346476B2 (en) * 2005-03-17 2008-03-18 International Business Machines Corporation Event tracing with time stamp compression
US20060212243A1 (en) * 2005-03-17 2006-09-21 Levine Frank E Event tracing using hash tables with support for dynamic address to name resolution
US7496902B2 (en) * 2005-03-17 2009-02-24 International Business Machines Corporation Data and instruction address compression
US7592596B2 (en) * 2005-06-03 2009-09-22 Ge Medical Systems Israel, Ltd Methods and systems for medical imaging
US7439515B2 (en) * 2005-06-17 2008-10-21 Siemens Medical Solutions Usa, Inc. Pipeline processing of pulse pile-up correction in a nuclear medicine imaging system
US7332724B2 (en) * 2005-07-26 2008-02-19 General Electric Company Method and apparatus for acquiring radiation data
US7208739B1 (en) * 2005-11-30 2007-04-24 General Electric Company Method and apparatus for correction of pileup and charge sharing in x-ray images with energy resolution
US7511264B2 (en) * 2006-05-15 2009-03-31 Cmt Medical Technologies Ltd. Method of resolving ambiguity in photon counting-based detectors
US7573026B2 (en) * 2006-06-14 2009-08-11 Baker Hughes Incorporated Pileup rejection
US8080808B2 (en) * 2006-07-18 2011-12-20 BOSS Physical Sciences, LLC Remote detection of explosive substances
JP4972474B2 (ja) * 2007-06-15 2012-07-11 株式会社日立製作所 核医学診断装置、画像処理方法およびガンマカメラ
WO2008157734A2 (en) * 2007-06-20 2008-12-24 Thermo Electron Scientific Instruments Llc Processing of spectrometer pile-up events
CN101809435B (zh) * 2007-08-03 2012-09-05 普尔斯特有限责任公司 检测代表光子的边沿的方法，脉冲处理器及能量色散辐射光谱测量系统
WO2009020866A1 (en) * 2007-08-03 2009-02-12 Pulsetor, Llc Adapting a high-performance pulse processor to an existing spectrometry system
CN102160307B (zh) * 2007-08-03 2014-08-20 普尔斯特有限责任公司 数字脉冲处理器倾斜度修正
US8340377B2 (en) * 2007-09-17 2012-12-25 Siemens Medical Solutions Usa, Inc. Method for energy calculation and pileup determination for continuously sampled nuclear pulse processing
CN101983331A (zh) * 2008-03-31 2011-03-02 南方创新国际股份有限公司 具有单个信号分辨率的辐射成像方法
WO2009133481A2 (en) * 2008-04-30 2009-11-05 Koninklijke Philips Electronics N.V. Counting detector
US7807973B2 (en) * 2008-08-01 2010-10-05 Pulsetor, Llc Pileup rejection in an energy-dispersive radiation spectrometry system
WO2011002537A2 (en) 2009-04-09 2011-01-06 Bossdev, Inc. Neutron fluorescence with synchronized gamma detector
WO2011037945A2 (en) 2009-09-22 2011-03-31 Boss Physical Sciences Llc Organic-scintillator compton gamma ray telescope
US9279888B2 (en) * 2009-10-01 2016-03-08 Kabushiki Kaisha Toshiba System for online/offline singles-pairing with keeping/rejecting multi-coincidences for positron emission tomography
JP5458976B2 (ja) * 2010-03-10 2014-04-02 株式会社島津製作所 放射線信号処理装置、およびそれを備えた放射線検出器
EP2565679B1 (de) * 2010-08-31 2019-09-25 Toshiba Medical Systems Corporation Nuklearmedizinisches bildgebungssystem und steuerverfahren dafür
CN104220900B (zh) * 2012-03-27 2017-05-17 皇家飞利浦有限公司 高通量光子计数探测器电子器件
US8927920B2 (en) * 2013-02-07 2015-01-06 Schlumberger Technology Corporation Correcting gamma-ray energy spectra for pileup degradation
FR3002650B1 (fr) * 2013-02-28 2015-11-27 Commissariat Energie Atomique Dispositif de traitement d'un signal delivre par un detecteur de rayonnement
US9128194B2 (en) * 2013-04-19 2015-09-08 Kabushiki Kaisha Toshiba Pileup correction method for a photon-counting detector
GB2514418A (en) * 2013-05-24 2014-11-26 Oxford Instr Nanotechnology Tools Ltd Method of processing a particle spectrum
US8921796B1 (en) * 2013-08-27 2014-12-30 Siemens Medical Solutions Usa, Inc. Multiple discriminator PET with pileup event detection
CN104656119B (zh) * 2013-11-19 2018-06-05 苏州瑞派宁科技有限公司 一种闪烁脉冲信息复原的方法及系统
US9606245B1 (en) 2015-03-24 2017-03-28 The Research Foundation For The State University Of New York Autonomous gamma, X-ray, and particle detector
US9696439B2 (en) 2015-08-10 2017-07-04 Shanghai United Imaging Healthcare Co., Ltd. Apparatus and method for PET detector
CN106019355B (zh) * 2016-07-07 2018-08-28 清华大学 辐射粒子探测器读出电路及辐射粒子信号计数的方法

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US5319204A (en) 1992-05-13 1994-06-07 Board Of Regents, The University Of Texas System Positron emission tomography camera with quadrant-sharing photomultipliers and cross-coupled scintillating crystals
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Also Published As

Publication number Publication date
ATE245820T1 (de) 2003-08-15
ES2202859T3 (es) 2004-04-01
DE69816626T2 (de) 2004-02-19
US20020121603A1 (en) 2002-09-05
JP2001524217A (ja) 2001-11-27
US6525322B2 (en) 2003-02-25
US6310349B1 (en) 2001-10-30
CA2288788A1 (en) 1998-11-12
WO1998050802A1 (en) 1998-11-12
EP1007988A1 (de) 2000-06-14
EP1007988B1 (de) 2003-07-23
AU7566198A (en) 1998-11-27
PT1007988E (pt) 2003-12-31

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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