CN111788499B - 在对各种对象和放射性分布的定量正电子发射断层摄影（pet）重建中的死时间校正方法 - Google Patents

在对各种对象和放射性分布的定量正电子发射断层摄影（pet）重建中的死时间校正方法 Download PDF

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CN111788499B
CN111788499B CN201980015666.5A CN201980015666A CN111788499B CN 111788499 B CN111788499 B CN 111788499B CN 201980015666 A CN201980015666 A CN 201980015666A CN 111788499 B CN111788499 B CN 111788499B
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energy
correction factor
determining
radiation detector
imaging data
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CN111788499A (zh
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宋犀云
叶京汉
Y·毛
白传勇
A·安德烈耶夫
G·道蒂
L·罗曼诺夫
胡志强
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Koninklijke Philips NV
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • 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
    • 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
    • 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
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • 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
    • G01T1/20—Measuring radiation intensity with scintillation detectors

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine (AREA)
  • Measurement Of Radiation (AREA)
CN201980015666.5A 2018-01-26 2019-01-24 在对各种对象和放射性分布的定量正电子发射断层摄影（pet）重建中的死时间校正方法 Active CN111788499B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862622413P 2018-01-26 2018-01-26
US62/622,413 2018-01-26
PCT/EP2019/051709 WO2019145398A1 (en) 2018-01-26 2019-01-24 A dead-time correction method in quantitative positron emission tomography (pet) reconstruction for various objects and radioactivity distributions

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CN111788499A CN111788499A (zh) 2020-10-16
CN111788499B true CN111788499B (zh) 2024-07-09

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US (1) US12148070B2 (https=)
EP (1) EP3743739A1 (https=)
JP (1) JP7239612B2 (https=)
CN (1) CN111788499B (https=)
WO (1) WO2019145398A1 (https=)

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JP7242708B2 (ja) 2018-01-30 2023-03-20 コーニンクレッカ フィリップス エヌ ヴェ リストモード再構成における定量化精度向上のための補正方法
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
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)
CN113712583B (zh) * 2021-08-10 2023-09-22 上海联影医疗科技股份有限公司 死时间校正方法、装置、计算机设备和存储介质
CN114359234B (zh) * 2022-01-07 2024-11-29 成都永新医疗设备有限公司 一种多床位图像采集和实时计数校正方法
US12566229B2 (en) * 2024-02-22 2026-03-03 Siemens Medical Solutions Usa, Inc. Methods and apparatus for medical imaging event detection timing corrections and image reconstruction

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WO2010143082A1 (en) * 2009-06-08 2010-12-16 Koninklijke Philips Electronics N.V. Time-of-flight positron emission tomography reconstruction using image content generated event-by-event based on time-of-flight information
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WO2019145398A1 (en) 2019-08-01
JP7239612B2 (ja) 2023-03-14
EP3743739A1 (en) 2020-12-02
CN111788499A (zh) 2020-10-16
US12148070B2 (en) 2024-11-19
JP2021511523A (ja) 2021-05-06
US20210366165A1 (en) 2021-11-25

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