CN107110983B - 基于像素的死时间校正 - Google Patents

基于像素的死时间校正 Download PDF

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Publication number
CN107110983B
CN107110983B CN201580068529.XA CN201580068529A CN107110983B CN 107110983 B CN107110983 B CN 107110983B CN 201580068529 A CN201580068529 A CN 201580068529A CN 107110983 B CN107110983 B CN 107110983B
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detector
lor
rate
dead time
pet
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Chinese (zh)
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CN107110983A (zh
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T·L·劳伦斯
S·X·王
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Koninklijke Philips NV
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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)
CN201580068529.XA 2014-12-15 2015-12-14 基于像素的死时间校正 Expired - Fee Related CN107110983B (zh)

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

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CN107110983A CN107110983A (zh) 2017-08-29
CN107110983B true CN107110983B (zh) 2020-02-07

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

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EP3988017A1 (en) 2016-11-15 2022-04-27 RefleXion Medical, Inc. System for emission-guided high-energy photon delivery
CN108109182B (zh) * 2016-11-24 2021-08-24 上海东软医疗科技有限公司 一种pet图像重建方法和装置
WO2018183748A1 (en) 2017-03-30 2018-10-04 Reflexion Medical, Inc. Radiation therapy systems and methods with tumor tracking
CN114699655A (zh) 2017-07-11 2022-07-05 反射医疗公司 用于pet检测器余辉管理的方法
CN111148471B (zh) 2017-08-09 2023-08-22 反射医疗公司 用于发射引导放射治疗中的故障检测的系统和方法
CN111512343A (zh) * 2017-09-21 2020-08-07 皇家飞利浦有限公司 用于正电子发射断层摄影随机符合估计的松弛迭代最大似然期望最大化
US11175418B2 (en) * 2017-09-22 2021-11-16 Koninklijke Philips N.V. Handling detector pixel performance variation in digital positron emission tomography
US11369806B2 (en) 2017-11-14 2022-06-28 Reflexion Medical, Inc. Systems and methods for patient monitoring for radiotherapy
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
WO2019145398A1 (en) * 2018-01-26 2019-08-01 Koninklijke Philips N.V. A dead-time correction method in quantitative positron emission tomography (pet) reconstruction for various objects and radioactivity distributions
US11428829B2 (en) 2018-01-30 2022-08-30 Koninklijke Philips N.V. Correction method for quantification accuracy improvement in list mode reconstruction
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
US10945685B2 (en) * 2018-07-25 2021-03-16 New York University System and method for normalizing standardized uptake values in brain positron emission tomography (PET) images
CN110215227B (zh) * 2019-06-05 2022-10-14 上海联影医疗科技股份有限公司 时间窗设置方法、装置、计算机设备和存储介质
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
EP4242696A1 (en) * 2022-03-10 2023-09-13 Positrigo AG Method for determining relative detector element efficiencies in a pet-scanning device
US12193858B2 (en) * 2022-07-21 2025-01-14 Canon Medical Systems Corporation Method to detect energy-dependent count loss
US12320933B2 (en) 2022-10-05 2025-06-03 Canon Medical Systems Corporation Method for correction of correlated count losses
EP4350396A1 (en) * 2022-10-05 2024-04-10 Canon Medical Systems Corporation Pet apparatus, data processing method and program
CN118266964B (zh) * 2022-12-30 2025-10-21 合肥锐世数字科技有限公司 基于壳源的时间校正方法、装置、设备及存储介质
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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CN103648391A (zh) * 2011-07-12 2014-03-19 皇家飞利浦有限公司 成像系统探测器校准

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CN103648391A (zh) * 2011-07-12 2014-03-19 皇家飞利浦有限公司 成像系统探测器校准

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Publication number Publication date
CN107110983A (zh) 2017-08-29
EP3234647B1 (en) 2021-03-03
US20170371046A1 (en) 2017-12-28
EP3234647A1 (en) 2017-10-25
US10101474B2 (en) 2018-10-16
JP6464269B2 (ja) 2019-02-06
WO2016097977A1 (en) 2016-06-23
JP2018506706A (ja) 2018-03-08

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