JP7378404B2 - 非スペクトルイメージングシステムを用いたスペクトルイメージング - Google Patents

非スペクトルイメージングシステムを用いたスペクトルイメージング Download PDF

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JP7378404B2
JP7378404B2 JP2020538976A JP2020538976A JP7378404B2 JP 7378404 B2 JP7378404 B2 JP 7378404B2 JP 2020538976 A JP2020538976 A JP 2020538976A JP 2020538976 A JP2020538976 A JP 2020538976A JP 7378404 B2 JP7378404 B2 JP 7378404B2
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spectral
imaging system
image
spectral image
processor
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リラン ゴシェン
モルデカイ ピンカス フレイマン
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Koninklijke Philips NV
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • 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
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • 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
    • 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
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical 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
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    • G06N3/02—Neural networks
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    • G—PHYSICS
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    • G06N3/08—Learning methods
    • G06N3/094—Adversarial learning
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H30/00—ICT specially adapted for the handling or processing of medical images
    • G16H30/20—ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
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    • G16H30/00—ICT specially adapted for the handling or processing of medical images
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    • G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
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    • G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
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    • 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
    • A61B6/481—Diagnostic techniques involving the use of contrast agents
    • A—HUMAN NECESSITIES
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    • 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
    • A61B6/483—Diagnostic techniques involving scattered radiation
    • 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
    • G06N3/047—Probabilistic or stochastic networks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2210/00—Indexing scheme for image generation or computer graphics
    • G06T2210/41—Medical

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  • Medical Informatics (AREA)
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  • Biophysics (AREA)
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  • Data Mining & Analysis (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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  • Primary Health Care (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
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  • Computer Vision & Pattern Recognition (AREA)
  • Databases & Information Systems (AREA)
  • Business, Economics & Management (AREA)
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  • Apparatus For Radiation Diagnosis (AREA)
  • Image Analysis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP2020538976A 2018-01-16 2019-01-07 非スペクトルイメージングシステムを用いたスペクトルイメージング Active JP7378404B2 (ja)

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US201862617774P 2018-01-16 2018-01-16
US62/617,774 2018-01-16
PCT/EP2019/050197 WO2019141527A1 (en) 2018-01-16 2019-01-07 Spectral imaging with a non-spectral imaging system

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JP2021510579A JP2021510579A (ja) 2021-04-30
JP2021510579A5 JP2021510579A5 (https=) 2022-01-17
JPWO2019141527A5 JPWO2019141527A5 (https=) 2022-01-17
JP7378404B2 true JP7378404B2 (ja) 2023-11-13

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US (1) US11417034B2 (https=)
EP (1) EP3740129B1 (https=)
JP (1) JP7378404B2 (https=)
CN (1) CN111615363B (https=)
WO (1) WO2019141527A1 (https=)

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US20200294288A1 (en) * 2019-03-13 2020-09-17 The Uab Research Foundation Systems and methods of computed tomography image reconstruction
EP3838154A1 (en) 2019-12-16 2021-06-23 Koninklijke Philips N.V. Apparatus for generating photon counting spectral image data
EP4104767A1 (en) * 2021-06-17 2022-12-21 Koninklijke Philips N.V. Controlling an alert signal for spectral computed tomography imaging
CN116577819B (zh) * 2023-05-18 2023-09-26 兰州大学 一种多头康普顿探测方法及系统
US12561805B2 (en) 2023-09-20 2026-02-24 GE Precision Healthcare LLC Methods and systems for generating dual-energy images from a single-energy imaging system based on anatomical segmentation
EP4559397A1 (de) * 2023-11-24 2025-05-28 Siemens Healthineers AG Materialdekomposition bei der dual-energie-röntgenbildgebung

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JP2006320464A (ja) 2005-05-18 2006-11-30 Hitachi Medical Corp 放射線撮影装置、画像処理方法
JP2014000409A (ja) 2012-06-19 2014-01-09 Toshiba Corp Ｃｔ画像化における散乱評価を補助する低密度かつエネルギー弁別型のコリメーションを伴うｘ線コンピュータ断層撮像装置用検出器、ｘ線コンピュータ断層撮像装置及びその制御方法
JP2014522693A (ja) 2011-07-15 2014-09-08 コーニンクレッカ フィリップス エヌ ヴェ スペクトルｃｔ向けの画像処理
CN104751429A (zh) 2015-01-27 2015-07-01 南方医科大学 一种基于字典学习的低剂量能谱ct图像处理方法
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JP2017525402A (ja) 2014-06-04 2017-09-07 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． オブジェクトの画像を生成するイメージングシステム

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JP2006320464A (ja) 2005-05-18 2006-11-30 Hitachi Medical Corp 放射線撮影装置、画像処理方法
JP2014522693A (ja) 2011-07-15 2014-09-08 コーニンクレッカ フィリップス エヌ ヴェ スペクトルｃｔ向けの画像処理
JP2014000409A (ja) 2012-06-19 2014-01-09 Toshiba Corp Ｃｔ画像化における散乱評価を補助する低密度かつエネルギー弁別型のコリメーションを伴うｘ線コンピュータ断層撮像装置用検出器、ｘ線コンピュータ断層撮像装置及びその制御方法
US20160113603A1 (en) 2013-05-10 2016-04-28 Koninklijke Philips N.V. Photon-counting detector calibration
JP2017525402A (ja) 2014-06-04 2017-09-07 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． オブジェクトの画像を生成するイメージングシステム
US20150371378A1 (en) 2014-06-20 2015-12-24 Marquette University Material decomposition of multi-spectral x-ray projections using neural networks
CN104751429A (zh) 2015-01-27 2015-07-01 南方医科大学 一种基于字典学习的低剂量能谱ct图像处理方法
WO2016158234A1 (ja) 2015-03-30 2016-10-06 株式会社日立製作所 画像生成装置、画像生成方法及びｘ線ｃｔ装置

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Publication number Publication date
EP3740129B1 (en) 2024-03-13
JP2021510579A (ja) 2021-04-30
EP3740129A1 (en) 2020-11-25
US11417034B2 (en) 2022-08-16
US20210065410A1 (en) 2021-03-04
CN111615363A (zh) 2020-09-01
CN111615363B (zh) 2024-09-10
WO2019141527A1 (en) 2019-07-25

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