JP7812523B2 - 画像処理装置、画像処理システム、および画像処理方法 - Google Patents

画像処理装置、画像処理システム、および画像処理方法

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Publication number
JP7812523B2
JP7812523B2 JP2023509156A JP2023509156A JP7812523B2 JP 7812523 B2 JP7812523 B2 JP 7812523B2 JP 2023509156 A JP2023509156 A JP 2023509156A JP 2023509156 A JP2023509156 A JP 2023509156A JP 7812523 B2 JP7812523 B2 JP 7812523B2
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Japan
Prior art keywords
image
scatter
scattered
resolution
scattering
Prior art date
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JP2023509156A
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English (en)
Japanese (ja)
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JPWO2022202727A1 (https=
Inventor
英朗 田島
剛 赤松
泰賀 山谷
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.)
NATIONAL INSTITUTES FOR QUANTUM AND RADIOLOGICALSCIENCE AND TECHNOLOGY
Atox Co Ltd
Original Assignee
NATIONAL INSTITUTES FOR QUANTUM AND RADIOLOGICALSCIENCE AND TECHNOLOGY
Atox Co Ltd
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/037—Emission tomography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/501—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of the head, e.g. neuroimaging or craniography
    • 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
    • G01T1/167—Measuring radioactive content of objects, e.g. contamination
    • 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)
    • 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
    • G01T1/2992—Radioisotope data or image processing not related to a particular imaging system; Off-line processing of pictures, e.g. rescanners
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/30—Image post-processing, e.g. metal artefact correction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/452—Computed tomography involving suppression of scattered radiation or scatter correction

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • General Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Theoretical Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Image Processing (AREA)
  • Nuclear Medicine (AREA)
JP2023509156A 2021-03-22 2022-03-22 画像処理装置、画像処理システム、および画像処理方法 Active JP7812523B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021047690 2021-03-22
JP2021047690 2021-03-22
PCT/JP2022/012938 WO2022202727A1 (ja) 2021-03-22 2022-03-22 画像処理装置、画像処理システム、および画像処理方法

Publications (2)

Publication Number Publication Date
JPWO2022202727A1 JPWO2022202727A1 (https=) 2022-09-29
JP7812523B2 true JP7812523B2 (ja) 2026-02-10

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Country Status (5)

Country Link
US (1) US12386087B2 (https=)
EP (1) EP4318048A4 (https=)
JP (1) JP7812523B2 (https=)
CN (1) CN117063092A (https=)
WO (1) WO2022202727A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180203140A1 (en) 2017-01-18 2018-07-19 General Electric Company Methods and systems for adaptive scatter estimation
WO2018163362A1 (ja) 2017-03-09 2018-09-13 株式会社島津製作所 散乱推定方法、散乱推定プログラム並びにそれを搭載したポジトロンｃｔ装置
WO2019149621A1 (en) 2018-01-31 2019-08-08 Koninklijke Philips N.V. Scatter correction for positron emission tomography (pet)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7046359B2 (en) * 2004-06-30 2006-05-16 Chemimage Corporation System and method for dynamic chemical imaging
US7312455B2 (en) * 2005-01-12 2007-12-25 The General Electric Company Method and system for scatter correction in a positron emission tomography system
US7397035B2 (en) 2005-10-14 2008-07-08 Siemens Medical Solutions Usa, Inc. Scatter correction for time-of-flight positron emission tomography data
US8265365B2 (en) * 2010-09-20 2012-09-11 Siemens Medical Solutions Usa, Inc. Time of flight scatter distribution estimation in positron emission tomography
EP2852931B1 (en) * 2012-05-21 2019-05-15 Koninklijke Philips N.V. Fast scatter estimation in pet reconstruction
JP2014137279A (ja) * 2013-01-17 2014-07-28 Hitachi Ltd 核医学診断装置
EP3229689B1 (en) * 2014-12-10 2019-10-02 Koninklijke Philips N.V. Outside-fov activity estimation using surview and prior patient data in positron emission tomography
CN109844815A (zh) * 2016-08-22 2019-06-04 皇家飞利浦有限公司 使用从不同迭代提取的特征图像进行基于特征的图像处理
JP2019032211A (ja) * 2017-08-07 2019-02-28 株式会社島津製作所 核医学診断装置
CN110660111B (zh) * 2019-09-18 2023-05-30 东软医疗系统股份有限公司 Pet散射校正及图像重建方法、装置及设备

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180203140A1 (en) 2017-01-18 2018-07-19 General Electric Company Methods and systems for adaptive scatter estimation
WO2018163362A1 (ja) 2017-03-09 2018-09-13 株式会社島津製作所 散乱推定方法、散乱推定プログラム並びにそれを搭載したポジトロンｃｔ装置
WO2019149621A1 (en) 2018-01-31 2019-08-08 Koninklijke Philips N.V. Scatter correction for positron emission tomography (pet)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
田島 英朗 他，ヘルメット型ＰＥＴにおける画像再構成法の開発，日本医用画像工学会大会予稿集，日本，2016年，Vol. 35th，ROMBUNNO.OP2-6

Also Published As

Publication number Publication date
CN117063092A (zh) 2023-11-14
EP4318048A1 (en) 2024-02-07
US12386087B2 (en) 2025-08-12
US20240168186A1 (en) 2024-05-23
JPWO2022202727A1 (https=) 2022-09-29
EP4318048A4 (en) 2025-02-26
WO2022202727A1 (ja) 2022-09-29

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