BR112014032082A2 - método para formação de imagem de campo escuro e sistema de formação de imagem - Google Patents

método para formação de imagem de campo escuro e sistema de formação de imagem

Info

Publication number
BR112014032082A2
BR112014032082A2 BR112014032082A BR112014032082A BR112014032082A2 BR 112014032082 A2 BR112014032082 A2 BR 112014032082A2 BR 112014032082 A BR112014032082 A BR 112014032082A BR 112014032082 A BR112014032082 A BR 112014032082A BR 112014032082 A2 BR112014032082 A2 BR 112014032082A2
Authority
BR
Brazil
Prior art keywords
dark field
imaging
field imaging
scanner
imaging system
Prior art date
Application number
BR112014032082A
Other languages
English (en)
Portuguese (pt)
Inventor
Proksa Roland
Original Assignee
Koninklijke Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of BR112014032082A2 publication Critical patent/BR112014032082A2/pt

Links

Classifications

    • 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
    • A61B6/484—Diagnostic techniques involving phase contrast X-ray 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
    • A61B6/02—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
    • 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
    • A61B6/4291—Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid 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
    • A61B6/48—Diagnostic techniques
    • A61B6/486—Diagnostic techniques involving generating temporal series of image 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
    • A61B6/5205—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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0007—Image acquisition
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/20—Inverse problem, i.e. transformations from projection space into object space
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/612—Specific applications or type of materials biological material
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2200/00—Indexing scheme for image data processing or generation, in general
    • G06T2200/04—Indexing scheme for image data processing or generation, in general involving 3D image data
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/424—Iterative

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Pulmonology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
BR112014032082A 2012-06-27 2013-06-26 método para formação de imagem de campo escuro e sistema de formação de imagem BR112014032082A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261664943P 2012-06-27 2012-06-27
PCT/IB2013/055244 WO2014002026A1 (en) 2012-06-27 2013-06-26 Dark-field imaging

Publications (1)

Publication Number Publication Date
BR112014032082A2 true BR112014032082A2 (pt) 2017-06-27

Family

ID=49230814

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014032082A BR112014032082A2 (pt) 2012-06-27 2013-06-26 método para formação de imagem de campo escuro e sistema de formação de imagem

Country Status (6)

Country Link
US (1) US9775575B2 (enExample)
EP (1) EP2867655B1 (enExample)
JP (1) JP6250658B2 (enExample)
CN (1) CN104428659B (enExample)
BR (1) BR112014032082A2 (enExample)
WO (1) WO2014002026A1 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0729248Y2 (ja) 1988-09-20 1995-07-05 マツダ株式会社 Ｖ型エンジンの吸気装置
JP6637485B2 (ja) 2014-08-13 2020-01-29 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． トモグラフィにおける暗視野イメージング
JP6451400B2 (ja) * 2015-02-26 2019-01-16 コニカミノルタ株式会社 画像処理システム及び画像処理装置
EP3134000B1 (en) 2015-05-06 2017-10-25 Koninklijke Philips N.V. Optimal energy weighting of dark field signal in differential phase contrast x-ray imaging
WO2016207423A1 (en) * 2015-06-26 2016-12-29 Koninklijke Philips N.V. Robust reconstruction for dark-field and phase contrast ct
WO2017001294A1 (en) * 2015-06-30 2017-01-05 Koninklijke Philips N.V. Scanning x-ray apparatus with full-field detector
CN108348204B (zh) * 2015-09-30 2021-09-03 皇家飞利浦有限公司 生成肺状况图
CN108289649B (zh) * 2015-12-01 2022-04-19 皇家飞利浦有限公司 用于对对象进行x射线成像的装置
EP3510563B1 (en) * 2016-09-08 2021-11-10 Koninklijke Philips N.V. Improved phase-contrast and dark-field ct reconstruction algorithm
EP3545842A4 (en) * 2016-11-22 2020-06-24 Shimadzu Corporation X-RAY PHASE IMAGING DEVICE
JP6683118B2 (ja) * 2016-12-20 2020-04-15 株式会社島津製作所 Ｘ線位相撮影装置
JP6673188B2 (ja) * 2016-12-26 2020-03-25 株式会社島津製作所 Ｘ線位相撮影装置
EP3450967A1 (en) * 2017-09-01 2019-03-06 Shimadzu Corporation X-ray imaging apparatus
JP7069670B2 (ja) * 2017-12-04 2022-05-18 コニカミノルタ株式会社 Ｘ線撮影システム
EP3496109A1 (en) * 2017-12-08 2019-06-12 Koninklijke Philips N.V. Oscillatory dark-field imaging
JP2021149227A (ja) * 2020-03-17 2021-09-27 コニカミノルタ株式会社 医療被ばくの線量管理装置及びプログラム
EP3922178A1 (en) 2020-06-08 2021-12-15 Koninklijke Philips N.V. Spectral dark-field imaging
US12408884B2 (en) * 2021-12-16 2025-09-09 The General Hospital Corporation System and method for X-ray elastography using dynamic pulsing

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050228271A1 (en) * 2004-04-06 2005-10-13 Diebold Gerald G Differential x-ray acoustic imaging
JP2009178185A (ja) * 2008-01-29 2009-08-13 Fujifilm Corp 医用撮像装置及び医用撮像方法
DE102008048683A1 (de) * 2008-09-24 2010-04-08 Siemens Aktiengesellschaft Verfahren zur Bestimmung von Phase und/oder Amplitude zwischen interferierenden benachbarten Röntgenstrahlen in einem Detektorpixel bei einem Talbot-Interferometer
CN101943668B (zh) * 2009-07-07 2013-03-27 清华大学 X射线暗场成像系统和方法
US20110142316A1 (en) 2009-10-29 2011-06-16 Ge Wang Tomography-Based and MRI-Based Imaging Systems
WO2011070488A1 (en) 2009-12-10 2011-06-16 Koninklijke Philips Electronics N.V. Phase contrast imaging
CN102221565B (zh) * 2010-04-19 2013-06-12 清华大学 X射线源光栅步进成像系统与成像方法
EP2585817B1 (en) 2010-06-28 2020-01-22 Paul Scherrer Institut A method for x-ray phase contrast and dark-field imaging using an arrangement of gratings in planar geometry
WO2012080125A1 (en) * 2010-12-13 2012-06-21 Paul Scherrer Institut A method and a system for image integration using constrained optimization for phase contrast imaging with an arrangement of gratings
EP2850595B1 (en) 2012-05-14 2016-04-06 Koninklijke Philips N.V. Dark field computed tomography imaging

Also Published As

Publication number Publication date
US20150139383A1 (en) 2015-05-21
EP2867655B1 (en) 2019-05-08
CN104428659A (zh) 2015-03-18
JP6250658B2 (ja) 2017-12-20
WO2014002026A1 (en) 2014-01-03
CN104428659B (zh) 2017-10-27
JP2015522157A (ja) 2015-08-03
US9775575B2 (en) 2017-10-03
EP2867655A1 (en) 2015-05-06

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]