EA201390935A1 - Система и способ многофазной сегментации изображений плотности, представляющих пористые среды - Google Patents

Система и способ многофазной сегментации изображений плотности, представляющих пористые среды

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Publication number
EA201390935A1
EA201390935A1 EA201390935A EA201390935A EA201390935A1 EA 201390935 A1 EA201390935 A1 EA 201390935A1 EA 201390935 A EA201390935 A EA 201390935A EA 201390935 A EA201390935 A EA 201390935A EA 201390935 A1 EA201390935 A1 EA 201390935A1
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EA
Eurasian Patent Office
Prior art keywords
image
standardized
segmentation
target values
gradient
Prior art date
Application number
EA201390935A
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English (en)
Inventor
Рафаэль Салазар-Тио
Original Assignee
Шеврон Ю.Эс.Эй. Инк.
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.)
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Publication date
Application filed by Шеврон Ю.Эс.Эй. Инк. filed Critical Шеврон Ю.Эс.Эй. Инк.
Publication of EA201390935A1 publication Critical patent/EA201390935A1/ru

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Classifications

    • 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
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/088—Investigating volume, surface area, size or distribution of pores; Porosimetry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N2015/0846—Investigating permeability, pore-volume, or surface area of porous materials by use of radiation, e.g. transmitted or reflected light
    • 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
    • G01N2223/10—Different kinds of radiation or particles
    • G01N2223/101—Different kinds of radiation or particles electromagnetic radiation
    • G01N2223/1016—X-ray
    • 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
    • G01N2223/30—Accessories, mechanical or electrical features
    • G01N2223/313—Accessories, mechanical or electrical features filters, rotating filter disc
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Image Processing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Analysis (AREA)

Abstract

Система и способ многофазной сегментации зашумленных трехмерных рентгеновских томографических изображений, представляющих пористый материал, минимизирующий сглаживание данных, которая обрабатывает трехмерные рентгеновские томографические изображения, чтобы получить стандартизированное изображение интенсивности, сегментирует стандартизированное изображение интенсивности по меньшей мере на 3 фазы, вычисляет объемные фракции и пространственные распределения сегментированных фаз и сравнивает их с целевыми величинами и, если расчетные фракции не достаточно близки к целевым величинам, повторяет необходимые этапы сегментации, пока расчетные объемные фракции не окажутся в пределах заданного допуска для целевых значений. Этапы сегментации содержат вычисление медианного/усредненного отфильтрованного градиентного изображения стандартизированного изображения интенсивности, создание графика зависимости интенсивности от градиента из медианного/усредненного отфильтрованного градиентного изображения и стандартизированного изображения интенсивности, разделение графика зависимости интенсивности от градиента по меньшей мере на 3 области, используя пороги, определяющие области для сегментирования стандартизированного полутонового изображения, чтобы создать сегментированное изображение, и применение фильтра деспеклера, чтобы удалить шум из сегментированного изображения.
EA201390935A 2010-12-22 2011-09-20 Система и способ многофазной сегментации изображений плотности, представляющих пористые среды EA201390935A1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/976,947 US8861814B2 (en) 2010-12-22 2010-12-22 System and method for multi-phase segmentation of density images representing porous media
PCT/US2011/052366 WO2012087392A1 (en) 2010-12-22 2011-09-20 System and method for multi-phase segmentation of density images representing porous media

Publications (1)

Publication Number Publication Date
EA201390935A1 true EA201390935A1 (ru) 2013-11-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
EA201390935A EA201390935A1 (ru) 2010-12-22 2011-09-20 Система и способ многофазной сегментации изображений плотности, представляющих пористые среды

Country Status (8)

Country Link
US (1) US8861814B2 (ru)
EP (1) EP2656305A4 (ru)
CN (1) CN103210416B (ru)
AU (1) AU2011345344B2 (ru)
BR (1) BR112013008252A2 (ru)
CA (1) CA2816405A1 (ru)
EA (1) EA201390935A1 (ru)
WO (1) WO2012087392A1 (ru)

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Also Published As

Publication number Publication date
US8861814B2 (en) 2014-10-14
AU2011345344B2 (en) 2015-07-02
CA2816405A1 (en) 2012-06-28
BR112013008252A2 (pt) 2016-06-14
CN103210416A (zh) 2013-07-17
EP2656305A1 (en) 2013-10-30
US20120163688A1 (en) 2012-06-28
EP2656305A4 (en) 2017-06-14
AU2011345344A1 (en) 2013-04-04
CN103210416B (zh) 2017-12-19
WO2012087392A1 (en) 2012-06-28

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