PT1007988E - Processo e aparelho para evitar a acumulacao quando da deteccao da energia de sinais de entrada - Google Patents
Processo e aparelho para evitar a acumulacao quando da deteccao da energia de sinais de entradaInfo
- Publication number
- PT1007988E PT1007988E PT98923350T PT98923350T PT1007988E PT 1007988 E PT1007988 E PT 1007988E PT 98923350 T PT98923350 T PT 98923350T PT 98923350 T PT98923350 T PT 98923350T PT 1007988 E PT1007988 E PT 1007988E
- Authority
- PT
- Portugal
- Prior art keywords
- detecting
- energy
- detector
- entry signals
- avoiding accumulation
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000009825 accumulation Methods 0.000 title 1
- 239000002245 particle Substances 0.000 abstract 2
- 230000005855 radiation Effects 0.000 abstract 2
- 238000007796 conventional method Methods 0.000 abstract 1
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)
- Measurement Of Current Or Voltage (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Geophysics And Detection Of Objects (AREA)
- Nuclear Medicine (AREA)
- Piles And Underground Anchors (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4583697P | 1997-05-07 | 1997-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
PT1007988E true PT1007988E (pt) | 2003-12-31 |
Family
ID=21940141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT98923350T PT1007988E (pt) | 1997-05-07 | 1998-05-07 | Processo e aparelho para evitar a acumulacao quando da deteccao da energia de sinais de entrada |
Country Status (10)
Country | Link |
---|---|
US (2) | US6310349B1 (pt) |
EP (1) | EP1007988B1 (pt) |
JP (1) | JP2001524217A (pt) |
AT (1) | ATE245820T1 (pt) |
AU (1) | AU7566198A (pt) |
CA (1) | CA2288788A1 (pt) |
DE (1) | DE69816626T2 (pt) |
ES (1) | ES2202859T3 (pt) |
PT (1) | PT1007988E (pt) |
WO (1) | WO1998050802A1 (pt) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6936822B2 (en) * | 1997-05-07 | 2005-08-30 | Board Of Regents, The University Of Texas System | Method and apparatus to prevent signal pile-up |
US6470285B1 (en) * | 1999-05-27 | 2002-10-22 | Analyser Systems Ag | Method and apparatus for multi-parameter digital pulse pileup rejection |
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 |
US7071474B2 (en) * | 2002-12-20 | 2006-07-04 | 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 |
US7496902B2 (en) * | 2005-03-17 | 2009-02-24 | International Business Machines Corporation | Data and instruction address compression |
US7369954B2 (en) * | 2005-03-17 | 2008-05-06 | International Business Machines Corporation | Event tracing with time stamp compression and history buffer based 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 |
US7346476B2 (en) * | 2005-03-17 | 2008-03-18 | International Business Machines Corporation | Event tracing with time stamp 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 |
GB2463402B (en) * | 2007-06-20 | 2012-11-21 | Thermo Electron Scient Instr | Processing of spectrometer pile-up events |
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 |
JP5349476B2 (ja) * | 2007-08-03 | 2013-11-20 | パルセータ,エルエルシー | エネルギー分散型放射線分光分析システムにおけるフォトンを示すエッジを検出する方法、当該方法を実行するパルスプロセッサおよびエネルギー分散型放射線分光分析システム |
US7741609B2 (en) * | 2007-08-03 | 2010-06-22 | Pulsetor, Llc | Adapting a high-performance pulse processor to an existing spectrometry system |
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 |
US8471210B2 (en) * | 2008-03-31 | 2013-06-25 | Southern Innovation International Pty Ltd. | Radiation imaging method with individual signal resolution |
US20110036989A1 (en) * | 2008-04-30 | 2011-02-17 | 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 |
US8410451B2 (en) | 2009-04-09 | 2013-04-02 | Boss Physical Sciences Llc | Neutron fluorescence with synchronized gamma detector |
US8785864B2 (en) | 2009-09-22 | 2014-07-22 | 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 (en) * | 2010-08-31 | 2019-09-25 | Toshiba Medical Systems Corporation | Nuclear medicine imaging device and control method |
EP2831629A2 (en) | 2012-03-27 | 2015-02-04 | Koninklijke Philips N.V. | High flux photon counting detector electronics |
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 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3747001A (en) * | 1972-02-17 | 1973-07-17 | Atomic Energy Commission | Pulse processing system |
US4455616A (en) | 1979-07-09 | 1984-06-19 | Elscint, Ltd. | Fast gamma camera |
EP0167119B1 (en) | 1984-06-30 | 1991-10-23 | Shimadzu Corporation | Semiconductor radiation detector |
US4999501A (en) | 1985-08-27 | 1991-03-12 | Baylor College Of Medicine | High speed multiwire photon camera |
DK168676B1 (da) * | 1989-12-22 | 1994-05-16 | Adac Lab A S | Kredsløb til behandling af impulssignaler |
US5453623A (en) | 1992-05-13 | 1995-09-26 | Board Of Regents, The University Of Texas System | Positron emission tomography camera with quadrant-sharing photomultipliers and cross-coupled scintillating crystals |
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 |
US5349193A (en) | 1993-05-20 | 1994-09-20 | Princeton Gamma Tech, Inc. | Highly sensitive nuclear spectrometer apparatus and method |
US5532944A (en) * | 1994-07-28 | 1996-07-02 | Sorrento Electronics, Inc. | Multi-channel analysis system and method using digital signal processing |
-
1998
- 1998-05-07 EP EP98923350A patent/EP1007988B1/en not_active Expired - Lifetime
- 1998-05-07 WO PCT/US1998/009347 patent/WO1998050802A1/en active IP Right Grant
- 1998-05-07 US US09/074,274 patent/US6310349B1/en not_active Expired - Lifetime
- 1998-05-07 CA CA002288788A patent/CA2288788A1/en not_active Abandoned
- 1998-05-07 PT PT98923350T patent/PT1007988E/pt unknown
- 1998-05-07 AU AU75661/98A patent/AU7566198A/en not_active Abandoned
- 1998-05-07 ES ES98923350T patent/ES2202859T3/es not_active Expired - Lifetime
- 1998-05-07 AT AT98923350T patent/ATE245820T1/de not_active IP Right Cessation
- 1998-05-07 DE DE69816626T patent/DE69816626T2/de not_active Expired - Fee Related
- 1998-05-07 JP JP54850498A patent/JP2001524217A/ja not_active Withdrawn
-
2001
- 2001-09-20 US US09/957,122 patent/US6525322B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20020121603A1 (en) | 2002-09-05 |
DE69816626T2 (de) | 2004-02-19 |
CA2288788A1 (en) | 1998-11-12 |
WO1998050802A1 (en) | 1998-11-12 |
AU7566198A (en) | 1998-11-27 |
ATE245820T1 (de) | 2003-08-15 |
US6310349B1 (en) | 2001-10-30 |
ES2202859T3 (es) | 2004-04-01 |
EP1007988A1 (en) | 2000-06-14 |
EP1007988B1 (en) | 2003-07-23 |
JP2001524217A (ja) | 2001-11-27 |
DE69816626D1 (de) | 2003-08-28 |
US6525322B2 (en) | 2003-02-25 |
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