CN116097270A - 能谱x射线材料分解方法 - Google Patents

能谱x射线材料分解方法 Download PDF

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Publication number
CN116097270A
CN116097270A CN202180054536.XA CN202180054536A CN116097270A CN 116097270 A CN116097270 A CN 116097270A CN 202180054536 A CN202180054536 A CN 202180054536A CN 116097270 A CN116097270 A CN 116097270A
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data
model
ray
input
material decomposition
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Chinese (zh)
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A·索欣
B·J·布伦德尔
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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
    • A61B6/52—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
    • 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]
    • 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

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  • 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)
CN202180054536.XA 2020-09-03 2021-08-31 能谱x射线材料分解方法 Pending CN116097270A (zh)

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 (1)

Publication Number Publication Date
CN116097270A true CN116097270A (zh) 2023-05-09

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CN202180054536.XA Pending CN116097270A (zh) 2020-09-03 2021-08-31 能谱x射线材料分解方法

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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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160287205A1 (en) * 2015-04-01 2016-10-06 Kabushiki Kaisha Toshiba Pre-reconstruction calibration, data correction, and material decomposition method and apparatus for photon-counting spectrally-resolving x-ray detectors and x-ray imaging
CN110675467A (zh) * 2019-09-30 2020-01-10 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
US20200196972A1 (en) * 2018-12-20 2020-06-25 Canon Medical Systems Corporation Apparatus and method that uses deep learning to correct computed tomography (ct) with sinogram completion of projection data

Family Cites Families (3)

* 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
JP7169094B2 (ja) * 2017-06-01 2022-11-10 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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160287205A1 (en) * 2015-04-01 2016-10-06 Kabushiki Kaisha Toshiba Pre-reconstruction calibration, data correction, and material decomposition method and apparatus for photon-counting spectrally-resolving x-ray detectors and x-ray imaging
US20200196972A1 (en) * 2018-12-20 2020-06-25 Canon Medical Systems Corporation Apparatus and method that uses deep learning to correct computed tomography (ct) with sinogram completion of projection data
CN110675467A (zh) * 2019-09-30 2020-01-10 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

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Publication number Publication date
WO2022049039A1 (en) 2022-03-10
EP3964131A1 (en) 2022-03-09
JP7764468B2 (ja) 2025-11-05
EP4208097B1 (en) 2026-01-21
JP2023540949A (ja) 2023-09-27
US20230309937A1 (en) 2023-10-05
EP4208097A1 (en) 2023-07-12

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