BR112013008252A2 - sistema e método para segmentação multifásica de imagens de densidade que representam o meio poroso - Google Patents

sistema e método para segmentação multifásica de imagens de densidade que representam o meio poroso

Info

Publication number
BR112013008252A2
BR112013008252A2 BR112013008252A BR112013008252A BR112013008252A2 BR 112013008252 A2 BR112013008252 A2 BR 112013008252A2 BR 112013008252 A BR112013008252 A BR 112013008252A BR 112013008252 A BR112013008252 A BR 112013008252A BR 112013008252 A2 BR112013008252 A2 BR 112013008252A2
Authority
BR
Brazil
Prior art keywords
image
segmentation
gradient
intensity
normalized
Prior art date
Application number
BR112013008252A
Other languages
English (en)
Inventor
Rafael Salazar-Tio
Original Assignee
Chevron Usa Inc
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 Chevron Usa Inc filed Critical Chevron Usa Inc
Publication of BR112013008252A2 publication Critical patent/BR112013008252A2/pt

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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)
  • Chemical & Material Sciences (AREA)
  • Pulmonology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (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

sistema e método para segmentação multifásica de imagens de densidade que representam o meio poroso. sistema e método para segmentação multtifásica de imagens de tomografia 3d de raios x com ruído que são representativas de materiais porosos suavizando os dados, o qual processa as imagens de tomografia 3d de raio x para obter uma imagem intensa as frações volumétricas e as distribuições espaciais das fases segmentadas e comprara-as com os valores alvo, e se as frações calculadas não estiverem suficientemente próximas dos valores alvo, se repete a segmentação necessária até que os valores das frações volumétricas estejam dentro de uma dada tolerância dos valores alvo. os passos de segmentação incluem o cálculo de gradiente de uma imagem filtrada média/mediana de intensidade normalizada, criando um gráfico da intensidade vs gradiente a partir da imagem filtrada média/mediana e do gradiente de intensidade da imagem normalizada, a partição do gráfico gradiente vs intensidade em pelo menos três regiões, utilizando os limites das regiões a segmentar na imagem em escala de cinzento normalizada para criar uma imagem segmentada, e aplicando um filtro de remoção de manchas para remover o ruído na imagem segmentada.
BR112013008252A 2010-12-22 2011-09-20 sistema e método para segmentação multifásica de imagens de densidade que representam o meio poroso BR112013008252A2 (pt)

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
BR112013008252A2 true BR112013008252A2 (pt) 2016-06-14

Family

ID=46314315

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013008252A BR112013008252A2 (pt) 2010-12-22 2011-09-20 sistema e método para segmentação multifásica de imagens de densidade que representam o meio poroso

Country Status (8)

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

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CN109859230B (zh) * 2018-12-26 2020-09-11 北京理工大学 一种用于多孔介质显微ct图像的分割方法
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CN110473225B (zh) * 2019-08-22 2023-06-06 哈尔滨工业大学 一种非均匀照度沥青混合料颗粒识别方法
CN111028258B (zh) * 2019-11-14 2023-05-16 中国科学院力学研究所 一种大尺度灰度图像自适应阈值提取方法
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CN111553886B (zh) * 2020-04-09 2024-02-13 哈尔滨工业大学 一种沥青混合料ct图像中颗粒的自适应识别方法
US20220327713A1 (en) * 2021-04-09 2022-10-13 Halliburton Energy Services, Inc. Automatic digital rock segmentation
CN113447419B (zh) * 2021-06-28 2022-10-25 哈尔滨工业大学 一种多孔介质连通孔隙结构单元的划分系统
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Also Published As

Publication number Publication date
WO2012087392A1 (en) 2012-06-28
CA2816405A1 (en) 2012-06-28
US8861814B2 (en) 2014-10-14
US20120163688A1 (en) 2012-06-28
EA201390935A1 (ru) 2013-11-29
EP2656305A1 (en) 2013-10-30
CN103210416A (zh) 2013-07-17
EP2656305A4 (en) 2017-06-14
AU2011345344B2 (en) 2015-07-02
AU2011345344A1 (en) 2013-04-04
CN103210416B (zh) 2017-12-19

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Legal Events

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B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

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B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2532 DE 16-07-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.