JP2021504037A - 回転スペクトルフィルタを使用するスペクトルイメージング - Google Patents

回転スペクトルフィルタを使用するスペクトルイメージング Download PDF

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Publication number
JP2021504037A
JP2021504037A JP2020528947A JP2020528947A JP2021504037A JP 2021504037 A JP2021504037 A JP 2021504037A JP 2020528947 A JP2020528947 A JP 2020528947A JP 2020528947 A JP2020528947 A JP 2020528947A JP 2021504037 A JP2021504037 A JP 2021504037A
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Prior art keywords
filter
ray
region
imaging system
computed tomography
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JP2020528947A
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Japanese (ja)
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JP2021504037A5 (enExample
Inventor
チュアンヨン バイ
チュアンヨン バイ
シェン ルー
シェン ルー
ハオ ダン
ハオ ダン
ダグラス ビー マクナイト
ダグラス ビー マクナイト
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Koninklijke Philips NV
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Koninklijke Philips NV
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Publication of JP2021504037A publication Critical patent/JP2021504037A/ja
Publication of JP2021504037A5 publication Critical patent/JP2021504037A5/ja
Pending legal-status Critical Current

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    • 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
    • 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)
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • 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
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/36—Measuring spectral distribution of X-rays or of nuclear radiation spectrometry
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/10—Scattering devices; Absorbing devices; Ionising radiation filters
    • 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]

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Medical Informatics (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Optics & Photonics (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Engineering & Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2020528947A 2017-11-28 2018-11-19 回転スペクトルフィルタを使用するスペクトルイメージング Pending JP2021504037A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762591315P 2017-11-28 2017-11-28
US62/591,315 2017-11-28
PCT/EP2018/081668 WO2019105775A1 (en) 2017-11-28 2018-11-19 Spectral imaging using a rotating spectral filter

Publications (2)

Publication Number Publication Date
JP2021504037A true JP2021504037A (ja) 2021-02-15
JP2021504037A5 JP2021504037A5 (enExample) 2022-01-04

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Family Applications (1)

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JP2020528947A Pending JP2021504037A (ja) 2017-11-28 2018-11-19 回転スペクトルフィルタを使用するスペクトルイメージング

Country Status (5)

Country Link
US (1) US20200364909A1 (enExample)
EP (1) EP3717939A1 (enExample)
JP (1) JP2021504037A (enExample)
CN (1) CN111656225A (enExample)
WO (1) WO2019105775A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023025939A (ja) * 2021-08-11 2023-02-24 キヤノンメディカルシステムズ株式会社 Ｘ線の線質調整装置およびｘ線コンピュータ断層撮影装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112489849B (zh) * 2019-09-11 2024-11-15 西门子医疗股份公司 计算机断层扫描设备的x射线射束光谱过滤的过滤器装置
US11071506B1 (en) * 2020-04-28 2021-07-27 Wisconsin Alumni Research Foundation X-ray imaging device providing enhanced spatial resolution by energy encoding
EP4000526B1 (de) * 2021-04-29 2024-04-24 Siemens Healthineers AG Ct-anlage mit einem kollimatorblech und verfahren zum befestigen eines kollimatorblechs einer ct-anlage
CN118225816A (zh) * 2024-05-23 2024-06-21 苏州益腾电子科技有限公司 一种能量ct系统

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006271437A (ja) * 2005-03-28 2006-10-12 Aloka Co Ltd Ｘ線骨密度測定装置
JP2009000293A (ja) * 2007-06-21 2009-01-08 Toshiba Corp デュアルエネルギシステム及びその画像収集方法
JP2009118887A (ja) * 2007-11-12 2009-06-04 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置及び画像処理装置
JP2013005854A (ja) * 2011-06-23 2013-01-10 Toshiba Corp Ｘ線ｃｔ装置
US20140233707A1 (en) * 2013-02-15 2014-08-21 American Science And Engineering, Inc. Versatile Beam Scanner with Fan Beam
WO2015064446A1 (ja) * 2013-10-31 2015-05-07 株式会社日立メディコ Ｘ線撮像装置、ｘ線撮像方法、及び、ｘ線撮像装置のモニタリング方法
JP2015165874A (ja) * 2014-03-04 2015-09-24 株式会社東芝 Ｘ線管球装置及びｘ線ｃｔ装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2901631A (en) * 1955-03-04 1959-08-25 Gen Electric Filter means for penetrating rays
DE4235527C2 (de) * 1991-10-25 1998-07-09 Morita Mfg Einrichtung zur Erfassung medizinischer Röntgenbilder mit automatischer Belichtung
US7649981B2 (en) * 2003-10-15 2010-01-19 Varian Medical Systems, Inc. Multi-energy x-ray source
US7330535B2 (en) * 2005-11-10 2008-02-12 General Electric Company X-ray flux management device
EP2621342B1 (en) * 2010-09-30 2017-08-09 Koninklijke Philips N.V. Dynamic filter for computed tomography (ct)
EP2822467B1 (en) * 2012-03-07 2020-02-05 Koninklijke Philips N.V. X-ray beam shaper
WO2014087305A1 (en) * 2012-12-05 2014-06-12 Koninklijke Philips N.V. Radiation beam intensity profile shaper
WO2014126586A1 (en) * 2013-02-15 2014-08-21 American Science And Engineering, Inc. Versatile beam scanner with fan beam
RU2699280C2 (ru) * 2014-11-20 2019-09-04 Конинклейке Филипс Н.В. Сократитель рентгеновского потока для детектора подсчета фотонов

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006271437A (ja) * 2005-03-28 2006-10-12 Aloka Co Ltd Ｘ線骨密度測定装置
JP2009000293A (ja) * 2007-06-21 2009-01-08 Toshiba Corp デュアルエネルギシステム及びその画像収集方法
JP2009118887A (ja) * 2007-11-12 2009-06-04 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置及び画像処理装置
JP2013005854A (ja) * 2011-06-23 2013-01-10 Toshiba Corp Ｘ線ｃｔ装置
US20140233707A1 (en) * 2013-02-15 2014-08-21 American Science And Engineering, Inc. Versatile Beam Scanner with Fan Beam
WO2015064446A1 (ja) * 2013-10-31 2015-05-07 株式会社日立メディコ Ｘ線撮像装置、ｘ線撮像方法、及び、ｘ線撮像装置のモニタリング方法
JP2015165874A (ja) * 2014-03-04 2015-09-24 株式会社東芝 Ｘ線管球装置及びｘ線ｃｔ装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023025939A (ja) * 2021-08-11 2023-02-24 キヤノンメディカルシステムズ株式会社 Ｘ線の線質調整装置およびｘ線コンピュータ断層撮影装置
JP7755952B2 (ja) 2021-08-11 2025-10-17 キヤノンメディカルシステムズ株式会社 Ｘ線の線質調整装置およびｘ線コンピュータ断層撮影装置

Also Published As

Publication number Publication date
EP3717939A1 (en) 2020-10-07
WO2019105775A1 (en) 2019-06-06
CN111656225A (zh) 2020-09-11
US20200364909A1 (en) 2020-11-19

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