CN111656225A - 使用旋转谱滤波器的谱成像 - Google Patents

使用旋转谱滤波器的谱成像 Download PDF

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Publication number
CN111656225A
CN111656225A CN201880086127.6A CN201880086127A CN111656225A CN 111656225 A CN111656225 A CN 111656225A CN 201880086127 A CN201880086127 A CN 201880086127A CN 111656225 A CN111656225 A CN 111656225A
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CN
China
Prior art keywords
filter
ray
region
ray radiation
time
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Pending
Application number
CN201880086127.6A
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English (en)
Chinese (zh)
Inventor
白传勇
S·路
H·党
D·B·麦克奈特
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Koninklijke Philips NV
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Koninklijke Philips NV
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Publication of CN111656225A publication Critical patent/CN111656225A/zh
Pending legal-status Critical Current

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    • 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
    • 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
    • A61B6/52—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—HANDLING OF 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]
    • 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

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Medical Informatics (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Engineering & Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201880086127.6A 2017-11-28 2018-11-19 使用旋转谱滤波器的谱成像 Pending CN111656225A (zh)

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 (1)

Publication Number Publication Date
CN111656225A true CN111656225A (zh) 2020-09-11

Family

ID=64426895

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880086127.6A Pending CN111656225A (zh) 2017-11-28 2018-11-19 使用旋转谱滤波器的谱成像

Country Status (5)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115251961A (zh) * 2021-04-29 2022-11-01 西门子医疗有限公司 Ct设备和用于固定ct设备的准直器板的方法
CN117331110A (zh) * 2022-06-27 2024-01-02 上海联影医疗科技股份有限公司 一种用于成像系统的探测器
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

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
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
EP4152266A1 (en) * 2021-09-16 2023-03-22 Koninklijke Philips N.V. Dark-field and phase-contrast tomography reconstruction algorithm

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331166A (en) * 1991-10-25 1994-07-19 Kabushiki Kaisha Morita Seisakusho Dental X-ray image detecting device with an automatic exposure function
US20050084073A1 (en) * 2003-10-15 2005-04-21 Seppi Edward J. Multi-energy x-ray source
JP2006271437A (ja) * 2005-03-28 2006-10-12 Aloka Co Ltd Ｘ線骨密度測定装置
US20080043924A1 (en) * 2005-11-10 2008-02-21 Jerome Arenson X-ray flux management device
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
WO2012042484A1 (en) * 2010-09-30 2012-04-05 Koninklijke Philips Electronics N.V. Dynamic filter for computed tomography (ct)
CN104159518A (zh) * 2012-03-07 2014-11-19 皇家飞利浦有限公司 X射线波束整形器
EP2928376A1 (en) * 2012-12-05 2015-10-14 Koninklijke Philips N.V. Radiation beam intensity profile shaper
CN107072620A (zh) * 2014-11-20 2017-08-18 皇家飞利浦有限公司 用于光子计数探测器的x射线通量降低器

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US2901631A (en) * 1955-03-04 1959-08-25 Gen Electric Filter means for penetrating rays
JP5274812B2 (ja) * 2007-11-12 2013-08-28 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 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
WO2014126586A1 (en) * 2013-02-15 2014-08-21 American Science And Engineering, Inc. Versatile beam scanner with fan beam
US9020103B2 (en) * 2013-02-15 2015-04-28 American Science And Engineering, Inc. Versatile beam scanner with fan beam
CN105451659B (zh) * 2013-10-31 2018-08-07 株式会社日立制作所 X射线摄像装置、x射线摄像方法以及x射线摄像装置的监控方法
JP6377370B2 (ja) * 2014-03-04 2018-08-22 キヤノンメディカルシステムズ株式会社 Ｘ線管球装置及びｘ線ｃｔ装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331166A (en) * 1991-10-25 1994-07-19 Kabushiki Kaisha Morita Seisakusho Dental X-ray image detecting device with an automatic exposure function
US20050084073A1 (en) * 2003-10-15 2005-04-21 Seppi Edward J. Multi-energy x-ray source
JP2006271437A (ja) * 2005-03-28 2006-10-12 Aloka Co Ltd Ｘ線骨密度測定装置
US20080043924A1 (en) * 2005-11-10 2008-02-21 Jerome Arenson X-ray flux management device
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
WO2012042484A1 (en) * 2010-09-30 2012-04-05 Koninklijke Philips Electronics N.V. Dynamic filter for computed tomography (ct)
CN104159518A (zh) * 2012-03-07 2014-11-19 皇家飞利浦有限公司 X射线波束整形器
EP2928376A1 (en) * 2012-12-05 2015-10-14 Koninklijke Philips N.V. Radiation beam intensity profile shaper
CN107072620A (zh) * 2014-11-20 2017-08-18 皇家飞利浦有限公司 用于光子计数探测器的x射线通量降低器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115251961A (zh) * 2021-04-29 2022-11-01 西门子医疗有限公司 Ct设备和用于固定ct设备的准直器板的方法
CN117331110A (zh) * 2022-06-27 2024-01-02 上海联影医疗科技股份有限公司 一种用于成像系统的探测器
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

Also Published As

Publication number Publication date
JP2021504037A (ja) 2021-02-15
EP3717939A1 (en) 2020-10-07
US20200364909A1 (en) 2020-11-19
WO2019105775A1 (en) 2019-06-06

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Application publication date: 20200911