CN106233336B - Pet随机符合校正 - Google Patents

Pet随机符合校正 Download PDF

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Publication number
CN106233336B
CN106233336B CN201580020950.3A CN201580020950A CN106233336B CN 106233336 B CN106233336 B CN 106233336B CN 201580020950 A CN201580020950 A CN 201580020950A CN 106233336 B CN106233336 B CN 106233336B
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sinogram
delay
random
coincidence
unit
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Chinese (zh)
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CN106233336A (zh
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叶京汉
宋犀云
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Koninklijke Philips NV
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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
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0012—Biomedical image inspection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10104—Positron emission tomography [PET]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30242—Counting objects in image

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Quality & Reliability (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Nuclear Medicine (AREA)
  • Measurement Of Radiation (AREA)
CN201580020950.3A 2014-04-23 2015-04-23 Pet随机符合校正 Expired - Fee Related CN106233336B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201461983074P 2014-04-23 2014-04-23
US61/983,074 2014-04-23
PCT/IB2015/052967 WO2015162580A1 (en) 2014-04-23 2015-04-23 Pet random coincidence correction

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CN106233336A CN106233336A (zh) 2016-12-14
CN106233336B true CN106233336B (zh) 2020-11-03

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CN201580020950.3A Expired - Fee Related CN106233336B (zh) 2014-04-23 2015-04-23 Pet随机符合校正

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US (1) US10127690B2 (enExample)
EP (1) EP3134872B1 (enExample)
JP (1) JP6670253B2 (enExample)
CN (1) CN106233336B (enExample)
WO (1) WO2015162580A1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10078889B2 (en) * 2015-08-25 2018-09-18 Shanghai United Imaging Healthcare Co., Ltd. System and method for image calibration
CN109414238B (zh) * 2016-06-12 2023-01-03 上海联影医疗科技股份有限公司 正电子发射断层成像系统及其图像重建方法
CN108338805B (zh) * 2017-01-22 2024-05-28 苏州瑞派宁科技有限公司 一种用于pet系统的时间校正装置
CN107464270B (zh) * 2017-07-17 2020-08-11 东软医疗系统股份有限公司 一种图像重建方法和装置
JP6932253B2 (ja) * 2017-09-21 2021-09-08 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 陽電子放出断層撮影の偶発同時推定のための緩和された反復的最大尤度期待値最大化
EP3746985B1 (en) * 2018-01-30 2023-06-14 Koninklijke Philips N.V. A correction method for quantification accuracy improvement in list mode reconstruction
CN111670462B (zh) 2018-01-31 2024-08-27 皇家飞利浦有限公司 正电子发射断层摄影(pet)的散射校正
CN109124672B (zh) * 2018-10-19 2021-08-17 上海联影医疗科技股份有限公司 随机符合事件的校正方法、装置、设备和存储介质
EP3937785A4 (en) 2019-04-15 2022-06-01 Shanghai United Imaging Healthcare Co., Ltd. SYSTEMS AND METHODS FOR DETERMINING TRUE COINCIDENCE EVENTS
CN110507344B (zh) * 2019-09-04 2022-05-13 上海联影医疗科技股份有限公司 一种符合判选方法、装置、设备及存储介质
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
US12169260B2 (en) * 2021-04-30 2024-12-17 Siemens Medical Solutions Usa, Inc. Mean randoms estimation from list mode data
US12159330B2 (en) * 2022-02-17 2024-12-03 Canon Medical Systems Corporation Event property-dependent point spread function modeling and image reconstruction for PET
CN120019791A (zh) * 2023-11-20 2025-05-20 合肥锐世数字科技有限公司 散射校正方法、装置、数字化设备及计算机可读存储介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101084831A (zh) * 2006-06-06 2007-12-12 通用电气公司 用于pet飞行时间的方法和装置
CN102640016A (zh) * 2010-12-02 2012-08-15 株式会社东芝 Pet 数据处理方法、pet 数据处理装置、计算机可读的存储介质、以及数据处理方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7127095B2 (en) * 2004-10-15 2006-10-24 The Brigham And Women's Hospital, Inc. Factor analysis in medical imaging
US7381959B2 (en) 2005-08-17 2008-06-03 General Electric Company Technique for reconstructing PET scan images
JP2008190901A (ja) * 2007-02-01 2008-08-21 Hitachi Ltd 陽電子放出型断層撮影装置
US8022368B2 (en) * 2007-09-17 2011-09-20 Siemens Medical Solutions Usa, Inc. Hybrid method for randoms variance reduction
US8359345B2 (en) 2008-05-09 2013-01-22 Siemens Medical Solutions Usa, Inc. Iterative algorithms for variance reduction on compressed sinogram random coincidences in PET
US8094908B2 (en) 2008-07-17 2012-01-10 General Electric Company Method and system for estimating randoms in imaging data
US20110142316A1 (en) * 2009-10-29 2011-06-16 Ge Wang Tomography-Based and MRI-Based Imaging Systems
US11730430B2 (en) * 2012-09-21 2023-08-22 The General Hospital Corporation System and method for single-scan rest-stress cardiac pet
WO2014167522A1 (en) * 2013-04-11 2014-10-16 Koninklijke Philips N.V. Method for modeling and accounting for cascade gammas in images

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101084831A (zh) * 2006-06-06 2007-12-12 通用电气公司 用于pet飞行时间的方法和装置
CN102640016A (zh) * 2010-12-02 2012-08-15 株式会社东芝 Pet 数据处理方法、pet 数据处理装置、计算机可读的存储介质、以及数据处理方法

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Publication number Publication date
EP3134872A1 (en) 2017-03-01
JP6670253B2 (ja) 2020-03-18
JP2017516988A (ja) 2017-06-22
US10127690B2 (en) 2018-11-13
EP3134872B1 (en) 2020-06-10
US20170046857A1 (en) 2017-02-16
CN106233336A (zh) 2016-12-14
WO2015162580A1 (en) 2015-10-29

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