JP6670253B2 - Petの偶発同時計数補正 - Google Patents
Petの偶発同時計数補正 Download PDFInfo
- Publication number
- JP6670253B2 JP6670253B2 JP2016563789A JP2016563789A JP6670253B2 JP 6670253 B2 JP6670253 B2 JP 6670253B2 JP 2016563789 A JP2016563789 A JP 2016563789A JP 2016563789 A JP2016563789 A JP 2016563789A JP 6670253 B2 JP6670253 B2 JP 6670253B2
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- JP
- Japan
- Prior art keywords
- coincidence
- sinogram
- delayed
- prompt
- correction
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
Landscapes
- 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)
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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017516988A JP2017516988A (ja) | 2017-06-22 |
| JP2017516988A5 JP2017516988A5 (enExample) | 2019-06-06 |
| JP6670253B2 true JP6670253B2 (ja) | 2020-03-18 |
Family
ID=53191794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016563789A Expired - Fee Related JP6670253B2 (ja) | 2014-04-23 | 2015-04-23 | Petの偶発同時計数補正 |
Country Status (5)
| Country | Link |
|---|---|
| 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)
| 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 |
| 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 |
| US11428829B2 (en) | 2018-01-30 | 2022-08-30 | Koninklijke Philips N.V. | Correction method for quantification accuracy improvement in list mode reconstruction |
| EP3746984A1 (en) | 2018-01-31 | 2020-12-09 | Koninklijke Philips N.V. | Scatter correction for positron emission tomography (pet) |
| 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 |
Family Cites Families (11)
| 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 |
| US7705314B2 (en) * | 2006-06-06 | 2010-04-27 | General Electric Company | Method and apparatus for PET time of flight generation of compression sinogram and image reconstruction |
| 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 |
| US8503753B2 (en) * | 2010-12-02 | 2013-08-06 | Kabushiki Kaisha Toshiba | System and method for triangular interpolation in image reconstruction for PET |
| WO2014047446A1 (en) * | 2012-09-21 | 2014-03-27 | The General Hospital Corporation | System and method for single-scan rest-stress cardiac pet |
| US10223480B2 (en) * | 2013-04-11 | 2019-03-05 | Koninklijke Philips N.V. | Method for modeling and accounting for cascade gammas in images |
-
2015
- 2015-04-23 CN CN201580020950.3A patent/CN106233336B/zh not_active Expired - Fee Related
- 2015-04-23 WO PCT/IB2015/052967 patent/WO2015162580A1/en not_active Ceased
- 2015-04-23 US US15/304,538 patent/US10127690B2/en active Active
- 2015-04-23 EP EP15723762.9A patent/EP3134872B1/en active Active
- 2015-04-23 JP JP2016563789A patent/JP6670253B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015162580A1 (en) | 2015-10-29 |
| JP2017516988A (ja) | 2017-06-22 |
| CN106233336A (zh) | 2016-12-14 |
| US20170046857A1 (en) | 2017-02-16 |
| CN106233336B (zh) | 2020-11-03 |
| EP3134872B1 (en) | 2020-06-10 |
| EP3134872A1 (en) | 2017-03-01 |
| US10127690B2 (en) | 2018-11-13 |
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