JP7764468B2 - スペクトルｘ線物質分別方法 - Google Patents

スペクトルｘ線物質分別方法

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Publication number
JP7764468B2
JP7764468B2 JP2023514380A JP2023514380A JP7764468B2 JP 7764468 B2 JP7764468 B2 JP 7764468B2 JP 2023514380 A JP2023514380 A JP 2023514380A JP 2023514380 A JP2023514380 A JP 2023514380A JP 7764468 B2 JP7764468 B2 JP 7764468B2
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data
model
ray
spectral
training
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JP2023514380A
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Japanese (ja)
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JP2023540949A (ja
JP2023540949A5 (enExample
Inventor
アルトゥル ソシン
ベルンハルト ヨハネス ブレンデル
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Koninklijke Philips NV
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Koninklijke Philips NV
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    • 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]
    • A61B6/032—Transmission computed tomography [CT]
    • 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
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/04—Architecture, e.g. interconnection topology
    • G06N3/045—Combinations of networks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/04—Architecture, e.g. interconnection topology
    • G06N3/0499—Feedforward networks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/08—Learning methods
    • G06N3/084—Backpropagation, e.g. using gradient descent
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/08—Learning methods
    • G06N3/09—Supervised learning
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/77—Processing image or video features in feature spaces; using data integration or data reduction, e.g. principal component analysis [PCA] or independent component analysis [ICA] or self-organising maps [SOM]; Blind source separation
    • G06V10/774—Generating sets of training patterns; Bootstrap methods, e.g. bagging or boosting
    • 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
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4241—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting
    • 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
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Software Systems (AREA)
  • Evolutionary Computation (AREA)
  • Computing Systems (AREA)
  • Artificial Intelligence (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Pulmonology (AREA)
  • Databases & Information Systems (AREA)
  • Multimedia (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Analysis (AREA)
JP2023514380A 2020-09-03 2021-08-31 スペクトルｘ線物質分別方法 Active JP7764468B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20194235.6 2020-09-03
EP20194235.6A EP3964131A1 (en) 2020-09-03 2020-09-03 Spectral x-ray material decomposition method
PCT/EP2021/073920 WO2022049039A1 (en) 2020-09-03 2021-08-31 Spectral x-ray material decomposition method

Publications (3)

Publication Number Publication Date
JP2023540949A JP2023540949A (ja) 2023-09-27
JP2023540949A5 JP2023540949A5 (enExample) 2024-09-09
JP7764468B2 true JP7764468B2 (ja) 2025-11-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023514380A Active JP7764468B2 (ja) 2020-09-03 2021-08-31 スペクトルｘ線物質分別方法

Country Status (5)

Country Link
US (1) US20230309937A1 (enExample)
EP (2) EP3964131A1 (enExample)
JP (1) JP7764468B2 (enExample)
CN (1) CN116097270A (enExample)
WO (1) WO2022049039A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12076173B2 (en) * 2021-10-27 2024-09-03 Wisconsin Alumni Research Foundation System and method for controlling errors in computed tomography number
JP2024001425A (ja) * 2022-06-22 2024-01-10 キヤノンメディカルシステムズ株式会社 光子計数型ｘ線コンピュータ断層撮影装置、再構成処理装置、光子計数型情報取得方法、再構成処理方法、光子計数型情報取得プログラム、および再構成処理プログラム
US20250164416A1 (en) * 2023-11-21 2025-05-22 GE Precision Healthcare LLC Material weighting of projection based spectral x-ray imaging
CN118986374A (zh) * 2024-07-16 2024-11-22 华中科技大学 高通量x射线多能谱探测系统和探测方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018206382A (ja) 2017-06-01 2018-12-27 株式会社東芝 画像処理システム及び医用情報処理システム
JP2020099662A (ja) 2018-12-20 2020-07-02 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔシステム及び方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070083365A1 (en) * 2005-10-06 2007-04-12 Dts, Inc. Neural network classifier for separating audio sources from a monophonic audio signal
US11227414B2 (en) 2013-04-10 2022-01-18 Koninklijke Philips N.V. Reconstructed image data visualization
US9687207B2 (en) * 2015-04-01 2017-06-27 Toshiba Medical Systems Corporation Pre-reconstruction calibration, data correction, and material decomposition method and apparatus for photon-counting spectrally-resolving X-ray detectors and X-ray imaging
CN110675467B (zh) * 2019-09-30 2023-05-16 中国科学院深圳先进技术研究院 能谱ct的材料分解方法、装置、存储介质及电子设备

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018206382A (ja) 2017-06-01 2018-12-27 株式会社東芝 画像処理システム及び医用情報処理システム
JP2020099662A (ja) 2018-12-20 2020-07-02 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔシステム及び方法

Also Published As

Publication number Publication date
WO2022049039A1 (en) 2022-03-10
CN116097270A (zh) 2023-05-09
EP3964131A1 (en) 2022-03-09
EP4208097B1 (en) 2026-01-21
JP2023540949A (ja) 2023-09-27
US20230309937A1 (en) 2023-10-05
EP4208097A1 (en) 2023-07-12

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