JP5739731B2 - 束縛条件付き最大化に基づく画像再構成 - Google Patents

束縛条件付き最大化に基づく画像再構成 Download PDF

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Publication number
JP5739731B2
JP5739731B2 JP2011125925A JP2011125925A JP5739731B2 JP 5739731 B2 JP5739731 B2 JP 5739731B2 JP 2011125925 A JP2011125925 A JP 2011125925A JP 2011125925 A JP2011125925 A JP 2011125925A JP 5739731 B2 JP5739731 B2 JP 5739731B2
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Japan
Prior art keywords
conductivity
distribution
electrical signal
signal set
electrodes
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JP2011125925A
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English (en)
Japanese (ja)
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JP2011257396A5 (https=
JP2011257396A (ja
Inventor
ラジェッシュ・ヴェラ・ヴェンカタ・ラクシュミ・ランゴジュ
マノジ・クマール・コイシッタ・ミーサル
デバシシュ・ミシュラ
サケスラマン・マハリンガム
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General Electric Co
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General Electric Co
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0536—Impedance imaging, e.g. by tomography
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26—Oils; Viscous liquids; Paints; Inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids
    • G01N33/2823—Raw oil, drilling fluid or polyphasic mixtures
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7239—Details of waveform analysis using differentiation including higher order derivatives

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Food Science & Technology (AREA)
  • Medical Informatics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
JP2011125925A 2010-06-10 2011-06-06 束縛条件付き最大化に基づく画像再構成 Expired - Fee Related JP5739731B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/797,653 US8054094B1 (en) 2010-06-10 2010-06-10 Image reconstruction based constrained maximization
US12/797,653 2010-06-10

Publications (3)

Publication Number Publication Date
JP2011257396A JP2011257396A (ja) 2011-12-22
JP2011257396A5 JP2011257396A5 (https=) 2014-07-17
JP5739731B2 true JP5739731B2 (ja) 2015-06-24

Family

ID=44542997

Family Applications (1)

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JP2011125925A Expired - Fee Related JP5739731B2 (ja) 2010-06-10 2011-06-06 束縛条件付き最大化に基づく画像再構成

Country Status (5)

Country Link
US (1) US8054094B1 (https=)
EP (1) EP2395347B1 (https=)
JP (1) JP5739731B2 (https=)
CN (1) CN102364334B (https=)
BR (1) BRPI1102867A2 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0647224B2 (ja) * 1987-08-11 1994-06-22 アミテック株式会社 矩形枠体用研削装置
WO2013081845A1 (en) * 2011-11-30 2013-06-06 General Electric Company High-side current measurement technique for multi-phase fluid
JP2013195343A (ja) * 2012-03-22 2013-09-30 Ihi Corp トモグラフィ装置及びトモグラフィ計測方法
WO2014046971A1 (en) * 2012-09-19 2014-03-27 Corning Incorporated Methods and devices for measuring resistance of device structures and materials
JP6492005B2 (ja) * 2013-04-08 2019-03-27 株式会社日立製作所 Ｘ線ｃｔ装置、再構成演算装置、及び再構成演算方法
JP2014202722A (ja) * 2013-04-10 2014-10-27 株式会社豊田中央研究所 混相状態分布計測装置
GB201416182D0 (en) * 2014-09-12 2014-10-29 Ind Tomography Systems Plc Density measurement system and method
GB201416280D0 (en) * 2014-09-15 2014-10-29 Univ Leeds Tomography apparatus and method
WO2017105432A1 (en) * 2015-12-16 2017-06-22 Halliburton Energy Services, Inc. Electrical impedance tomography using a switchable array
AU2017387061B2 (en) 2016-12-27 2019-08-22 Panametrics Llc Portable moisture analyzer for natural gas
USD822514S1 (en) 2016-12-27 2018-07-10 General Electric Company Portable natural gas moisture analyzer
WO2018165274A1 (en) * 2017-03-07 2018-09-13 Ohio University Phase wetting detection and water layer thickness characterization in multiphase oil-water and oil-water-gas flow

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL62861A (en) 1981-05-13 1988-01-31 Yeda Res & Dev Method and apparatus for carrying out electric tomography
CA1196691A (en) 1982-01-12 1985-11-12 Bradley Fry Reconstruction system and methods for impedance imaging
US4920490A (en) 1988-01-28 1990-04-24 Rensselaer Polytechnic Institute Process and apparatus for distinguishing conductivities by electric current computed tomography
US5381333A (en) 1991-07-23 1995-01-10 Rensselaer Polytechnic Institute Current patterns for electrical impedance tomography
JPH06168A (ja) * 1992-06-22 1994-01-11 Hitachi Ltd 電気インピ−ダンス分布測定方法およびその装置
DE4332257C2 (de) * 1993-09-22 1996-09-19 P Osypka Gmbh Medizintechnik D Vorrichtung zum Erzeugen tomografischer Bilder
US5807251A (en) * 1994-03-11 1998-09-15 British Technology Group Limited Electrical impedance tomography
JPH09281066A (ja) * 1996-04-15 1997-10-31 Horiba Ltd インピーダンスｃｔを用いた計測システム
JP3892541B2 (ja) * 1997-08-08 2007-03-14 応用地質株式会社 二重相反境界要素法による地下比抵抗構造解析方法
EP1347706B1 (en) * 2000-12-30 2008-05-21 The University Of Leeds Electrical impedance tomography
JP3772237B2 (ja) * 2001-10-25 2006-05-10 学校法人日本大学 混相状態分布計測装置と混相状態分布計測方法
KR100459903B1 (ko) * 2002-07-25 2004-12-03 삼성전자주식회사 피부의 국부적인 영역의 임피던스를 측정하는 측정 시스템및 이에 이용되는 임피던스 측정 전극
UA64623C2 (en) * 2003-07-25 2005-03-15 Subsidiary Entpr With Foreign Method for nondestructive testing the tightness of an article using gas discharge
US7496450B2 (en) 2003-08-22 2009-02-24 Instituto Mexicano Del Petroleo Method for imaging multiphase flow using electrical capacitance tomography
GB0320167D0 (en) * 2003-08-28 2003-10-01 Univ Leeds An on-line data processing EIT system
US7603158B2 (en) * 2003-09-04 2009-10-13 Adrian Nachman Current density impedance imaging (CDII)
CN100401044C (zh) * 2006-03-21 2008-07-09 天津大学 双模电成像系统传感器及基于该传感器的图像重建方法
CA2693315A1 (en) * 2006-07-27 2008-01-31 Tasc Ltd. High definition impedance imaging
DK176686B1 (da) 2007-07-10 2009-02-23 Harresoe Byggeforretning Aps Selvbærende tag med rem som trækbånd
WO2009030870A1 (en) 2007-09-05 2009-03-12 University Of Leeds Multi phase flow measurement system
CN101241094B (zh) * 2008-03-12 2011-03-23 天津大学 非接触式电阻抗传感器及基于该传感器的图像重建方法

Also Published As

Publication number Publication date
EP2395347A1 (en) 2011-12-14
CN102364334A (zh) 2012-02-29
CN102364334B (zh) 2015-03-11
EP2395347B1 (en) 2013-04-03
US8054094B1 (en) 2011-11-08
BRPI1102867A2 (pt) 2012-12-04
JP2011257396A (ja) 2011-12-22

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