JP6464269B2 - Ｐｅｔシステム、デッドタイム補正因子の算出方法 - Google Patents

Ｐｅｔシステム、デッドタイム補正因子の算出方法 Download PDF

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JP6464269B2
JP6464269B2 JP2017531475A JP2017531475A JP6464269B2 JP 6464269 B2 JP6464269 B2 JP 6464269B2 JP 2017531475 A JP2017531475 A JP 2017531475A JP 2017531475 A JP2017531475 A JP 2017531475A JP 6464269 B2 JP6464269 B2 JP 6464269B2
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detector
lor
rate
dead time
pet
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JP2018506706A5 (https=
JP2018506706A (ja
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リーロイ ローレンス，トーマス
リーロイ ローレンス，トーマス
シャオロン ワン，シャロン
シャオロン ワン，シャロン
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Koninklijke Philips NV
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    • 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
    • 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
    • G01T1/24—Measuring radiation intensity with semiconductor detectors
    • G01T1/249—Measuring radiation intensity with semiconductor detectors specially adapted for use in SPECT or PET
    • 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)

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (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)
JP2017531475A 2014-12-15 2015-12-14 Ｐｅｔシステム、デッドタイム補正因子の算出方法 Expired - Fee Related JP6464269B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462091801P 2014-12-15 2014-12-15
US62/091,801 2014-12-15
PCT/IB2015/059594 WO2016097977A1 (en) 2014-12-15 2015-12-14 Pixel based dead time correction

Publications (3)

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JP2018506706A JP2018506706A (ja) 2018-03-08
JP2018506706A5 JP2018506706A5 (https=) 2018-11-29
JP6464269B2 true JP6464269B2 (ja) 2019-02-06

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JP2017531475A Expired - Fee Related JP6464269B2 (ja) 2014-12-15 2015-12-14 Ｐｅｔシステム、デッドタイム補正因子の算出方法

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US (1) US10101474B2 (https=)
EP (1) EP3234647B1 (https=)
JP (1) JP6464269B2 (https=)
CN (1) CN107110983B (https=)
WO (1) WO2016097977A1 (https=)

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WO2019057572A1 (en) * 2017-09-22 2019-03-28 Koninklijke Philips N.V. MANAGING DETECTOR PIXEL PERFORMANCE VARIATION IN DIGITAL POSITRON EMISSION TOMOGRAPHY
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CN108287361B (zh) * 2018-01-03 2019-08-27 东软医疗系统股份有限公司 一种单事件死时间的检测方法及装置
US12148070B2 (en) * 2018-01-26 2024-11-19 Koninklijke Philips N.V. Dead-time correction method in quantitative positron emission tomography (PET) reconstruction for various objects and radioactivity distributions
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CN108831546A (zh) * 2018-06-22 2018-11-16 上海联影医疗科技有限公司 一种数据处理方法、装置和非暂态计算机可读存储介质
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US11002867B1 (en) * 2019-10-23 2021-05-11 Siemens Medical Solutions Usa, Inc. Determination of crystal singles rates to estimate mean random coincidence rate
CN113116371B (zh) * 2019-12-30 2024-04-19 佳能医疗系统株式会社 Pet装置及校准方法
US11241211B2 (en) * 2020-03-12 2022-02-08 Canon Medical Systems Corporation Method and apparatus for singles spectrum estimation and for dead-time correction in positron emission tomography (PET)
CN111447426B (zh) * 2020-05-13 2021-12-31 中测新图(北京)遥感技术有限责任公司 一种影像色彩校正方法以及装置
CN111839566B (zh) * 2020-08-21 2023-06-16 上海联影医疗科技股份有限公司 Pet成像设备的死时间校正方法、系统、装置及存储介质
CN112817035B (zh) 2021-01-28 2022-11-25 上海联影医疗科技股份有限公司 数据补偿方法、装置、计算机设备和存储介质
CN113359178B (zh) * 2021-03-29 2023-05-16 山西中辐核仪器有限责任公司 一种基于自适应死时间补偿的辐射测量仪
CN113109225B (zh) * 2021-04-19 2023-07-18 中国科学院合肥物质科学研究院 一种cpc粒子计数器中死区时间的校正方法
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US12193858B2 (en) * 2022-07-21 2025-01-14 Canon Medical Systems Corporation Method to detect energy-dependent count loss
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EP4617731A1 (de) * 2024-03-14 2025-09-17 Siemens Healthineers AG Abschätzen einer rate von zufälligen koinzidenzen in einem zählenden röntgendetektor

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JP6264615B2 (ja) 2011-07-20 2018-01-24 デクトリス エルティーディー． 即時リトリガ能力を備えた光子計数イメージング方法および装置

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Publication number Publication date
CN107110983B (zh) 2020-02-07
EP3234647A1 (en) 2017-10-25
US10101474B2 (en) 2018-10-16
US20170371046A1 (en) 2017-12-28
WO2016097977A1 (en) 2016-06-23
EP3234647B1 (en) 2021-03-03
JP2018506706A (ja) 2018-03-08
CN107110983A (zh) 2017-08-29

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