JP7239612B2 - 種々の被写体及び放射能分布のための定量的陽電子放射トモグラフィ（ｐｅｔ）再構成における不感時間補正方法 - Google Patents

種々の被写体及び放射能分布のための定量的陽電子放射トモグラフィ（ｐｅｔ）再構成における不感時間補正方法 Download PDF

Info

Publication number
JP7239612B2
JP7239612B2 JP2020560581A JP2020560581A JP7239612B2 JP 7239612 B2 JP7239612 B2 JP 7239612B2 JP 2020560581 A JP2020560581 A JP 2020560581A JP 2020560581 A JP2020560581 A JP 2020560581A JP 7239612 B2 JP7239612 B2 JP 7239612B2
Authority
JP
Japan
Prior art keywords
energy
correction factor
determining
imaging data
radiation detector
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.)
Active
Application number
JP2020560581A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2019145398A5 (https=
JP2021511523A5 (https=
JP2021511523A (ja
Inventor
シユン ソング
ジンハン イエ
ヤンフェイ マオ
チュアンヨン バイ
アンドリー アンドレーエフ
グレゴリー ダウティ
レオニード ロマノフ
チーチャン フー
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
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 Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of JP2021511523A publication Critical patent/JP2021511523A/ja
Publication of JPWO2019145398A5 publication Critical patent/JPWO2019145398A5/ja
Publication of JP2021511523A5 publication Critical patent/JP2021511523A5/ja
Application granted granted Critical
Publication of JP7239612B2 publication Critical patent/JP7239612B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G01T1/17—Circuit arrangements not adapted to a particular type of detector
    • G01T1/171—Compensation of dead-time counting losses
    • 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
    • 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

Landscapes

  • 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)
JP2020560581A 2018-01-26 2019-01-24 種々の被写体及び放射能分布のための定量的陽電子放射トモグラフィ（ｐｅｔ）再構成における不感時間補正方法 Active JP7239612B2 (ja)

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

Publications (4)

Publication Number Publication Date
JP2021511523A JP2021511523A (ja) 2021-05-06
JPWO2019145398A5 JPWO2019145398A5 (https=) 2022-01-31
JP2021511523A5 JP2021511523A5 (https=) 2022-01-31
JP7239612B2 true JP7239612B2 (ja) 2023-03-14

Family

ID=65234554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020560581A Active JP7239612B2 (ja) 2018-01-26 2019-01-24 種々の被写体及び放射能分布のための定量的陽電子放射トモグラフィ（ｐｅｔ）再構成における不感時間補正方法

Country Status (5)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005326406A (ja) 2004-05-11 2005-11-24 General Electric Co <Ge> 陽電子放出断層システムの規格化のための方法及びシステム
US20060091314A1 (en) 2004-11-04 2006-05-04 General Electric Company Methods and apparatus for real-time error correction

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2467582A1 (fr) * 1979-10-18 1981-04-30 Ortec Inc Appareil de tacographie pour l'etude de patients apres administration de produits radioactifs
GB9517491D0 (en) * 1995-08-25 1995-10-25 British Tech Group Imaging apparatus
US7180074B1 (en) * 2001-06-27 2007-02-20 Crosetto Dario B Method and apparatus for whole-body, three-dimensional, dynamic PET/CT examination
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
US8269177B2 (en) * 2010-02-28 2012-09-18 General Electric Company Multiplexing readout scheme for a gamma ray detector
WO2012153219A1 (en) * 2011-05-12 2012-11-15 Koninklijke Philips Electronics N.V. Motion compensated imaging
US9220469B2 (en) * 2013-12-31 2015-12-29 General Electric Company Systems and methods for correcting detector errors in computed tomography imaging
JP6464269B2 (ja) * 2014-12-15 2019-02-06 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Ｐｅｔシステム、デッドタイム補正因子の算出方法
ES2686977T3 (es) * 2015-01-27 2018-10-23 Detection Technology Oy Corrección de datos de imagen de radiación ionizante
WO2019057851A1 (en) 2017-09-21 2019-03-28 Koninklijke Philips N.V. MAXIMIZING MAXIMUM RELIABLE ITERATIVE TRUTHING EXPECTANCY FOR ESTIMATION OF RANDOM COINICIENCE OF POSITRON EMISSION TOMOGRAPHY

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005326406A (ja) 2004-05-11 2005-11-24 General Electric Co <Ge> 陽電子放出断層システムの規格化のための方法及びシステム
US20060091314A1 (en) 2004-11-04 2006-05-04 General Electric Company Methods and apparatus for real-time error correction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
M.E. DAUBE-WITHERSPOON et al.，Unified deadtime correction model for PET，IEEE Transactions on Medical Imaging，1991年09月，Vol.10, No.3，267-275，DOI: 10.1109/42.97575

Also Published As

Publication number Publication date
WO2019145398A1 (en) 2019-08-01
EP3743739A1 (en) 2020-12-02
CN111788499B (zh) 2024-07-09
CN111788499A (zh) 2020-10-16
US12148070B2 (en) 2024-11-19
JP2021511523A (ja) 2021-05-06
US20210366165A1 (en) 2021-11-25

Similar Documents

Publication Publication Date Title
JP7239612B2 (ja) 種々の被写体及び放射能分布のための定量的陽電子放射トモグラフィ（ｐｅｔ）再構成における不感時間補正方法
AU2009230876B2 (en) Radiation imaging method with individual signal resolution
JP7271200B2 (ja) 医用情報処理装置、ｘ線ｃｔ装置及び医用情報処理方法
CN107110983B (zh) 基于像素的死时间校正
RU2414724C2 (ru) Способ и устройство для спектральной компьютерной томографии
US20130009047A1 (en) Energy Correction for One-To-One Coupled Radiation Detectors Having Non-Linear Sensors
US7840052B2 (en) Restoration of the nuclear medicine 2D planar image by iterative constrained deconvolution
US10127690B2 (en) PET random coincidence correction
JP7317586B2 (ja) 医用画像処理装置、方法及びプログラム
US8624193B2 (en) Timing response improvement in light-sharing detectors
JP6256608B2 (ja) 画像再構成処理方法
JP2021144032A (ja) 放射線診断装置、方法及びプログラム
JP2021512335A (ja) 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
Nillius et al. Light output measurements and computational models of microcolumnar CsI scintillators for x‐ray imaging
CN108209958A (zh) 一种归一化校正因子的确定、获取方法及医学成像方法
CN110623681A (zh) 光子散射成像
Bouwens et al. Image-correction techniques in SPECT
WO2012090992A1 (ja) 放射線撮像装置及び画像処理方法
JP2021511129A (ja) 対象物の関心領域のスペクトル画像を再構成するための装置、システム、方法及びコンピュータプログラム
CN107961028A (zh) 一种归一化校正因子获取、确定方法及医学成像方法
Raylman et al. Quantification of radiotracer uptake with a dedicated breast PET imaging system
Villena et al. Evaluation of a 25–511keV list mode readout system for a large field-of-view gamma camera
King et al. Attenuation/scatter/resolution correction: Physics aspects
Hinz et al. Count Rate Corrections for the Plant Dedicated PET System phenoPET
Giansiracusa et al. Validation of a non-invasive arterial monitor GATE model for PET

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220121

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220121

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20221227

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20230201

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230302

R150 Certificate of patent or registration of utility model

Ref document number: 7239612

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250