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KR20010081097A - 비파괴 테스트용 컴퓨터 단층 촬영법 및 장치 - Google Patents

비파괴 테스트용 컴퓨터 단층 촬영법 및 장치 Download PDF

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Publication number
KR20010081097A
KR20010081097A KR1020017005251A KR20017005251A KR20010081097A KR 20010081097 A KR20010081097 A KR 20010081097A KR 1020017005251 A KR1020017005251 A KR 1020017005251A KR 20017005251 A KR20017005251 A KR 20017005251A KR 20010081097 A KR20010081097 A KR 20010081097A
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KR
South Korea
Prior art keywords
reconstruction
image
data
projection
reconstructing
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
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KR1020017005251A
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English (en)
Korean (ko)
Inventor
로빈슨에이브라함
로이트바프알렉스
Original Assignee
추후보정
로미도트, 리미티드
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Publication of KR20010081097A publication Critical patent/KR20010081097A/ko
Withdrawn legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation
    • G06T11/003Reconstruction from projections, e.g. tomography
    • G06T11/006Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00Image generation
    • G06T2211/40Computed tomography
    • G06T2211/412Dynamic
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00Image generation
    • G06T2211/40Computed tomography
    • G06T2211/424Iterative

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
KR1020017005251A 1998-10-26 1999-06-14 비파괴 테스트용 컴퓨터 단층 촬영법 및 장치 Withdrawn KR20010081097A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IL12676198A IL126761A0 (en) 1998-10-26 1998-10-26 Computerized tomography for non-destructive testing
IL126761 1998-10-26
PCT/IL1999/000320 WO2000025268A2 (fr) 1998-10-26 1999-06-14 Tomographie assistee par ordinateur pour inspection non destructive

Publications (1)

Publication Number Publication Date
KR20010081097A true KR20010081097A (ko) 2001-08-27

Family

ID=11072069

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020017005251A Withdrawn KR20010081097A (ko) 1998-10-26 1999-06-14 비파괴 테스트용 컴퓨터 단층 촬영법 및 장치

Country Status (6)

Country Link
EP (1) EP1145194A2 (fr)
JP (1) JP2002528828A (fr)
KR (1) KR20010081097A (fr)
AU (1) AU4287599A (fr)
IL (1) IL126761A0 (fr)
WO (1) WO2000025268A2 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101144579B1 (ko) * 2009-08-18 2012-05-09 서울여자대학교 산학협력단 호기 및 흡기 컴퓨터 단층촬영 영상의 비강체 폐 영상 정합 장치 및 방법
KR101147685B1 (ko) * 2012-01-30 2012-05-22 한국지질자원연구원 컴퓨터 단층촬영장치를 이용한 보석 가치 평가장치 및 그 방법
KR101356881B1 (ko) * 2012-04-02 2014-02-12 한국과학기술원 고해상도 양전자 방출 단층 촬영에서 병렬 처리를 위해 영상을 재구성하는 방법 및 장치
KR20210006270A (ko) * 2019-07-08 2021-01-18 한국과학기술원 3차원 산업용 컴퓨터 단층 영상 기법에서 금속으로 인한 인공음영 제거 방법 및 장치
US11080900B2 (en) 2019-07-08 2021-08-03 Korea Advanced Institute Of Science And Technology Method and apparatus for metal artifact reduction in industrial 3-dimensional cone beam computed tomography

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8909325B2 (en) 2000-08-21 2014-12-09 Biosensors International Group, Ltd. Radioactive emission detector equipped with a position tracking system and utilization thereof with medical systems and in medical procedures
US7149339B2 (en) 2003-02-25 2006-12-12 Schlumberger Technology Corporation Non-destructive inspection of downhole equipment
WO2008010227A2 (fr) 2006-07-19 2008-01-24 Spectrum Dynamics Llc protocoles d'imagerie
US7968851B2 (en) 2004-01-13 2011-06-28 Spectrum Dynamics Llc Dynamic spect camera
US9470801B2 (en) 2004-01-13 2016-10-18 Spectrum Dynamics Llc Gating with anatomically varying durations
EP1778957A4 (fr) 2004-06-01 2015-12-23 Biosensors Int Group Ltd Optimisation de la mesure d'emissions radioactives dans des structures corporelles specifiques
US7203267B2 (en) * 2004-06-30 2007-04-10 General Electric Company System and method for boundary estimation using CT metrology
JP4588414B2 (ja) * 2004-10-28 2010-12-01 株式会社日立製作所 内部欠陥検査方法および装置
US9316743B2 (en) 2004-11-09 2016-04-19 Biosensors International Group, Ltd. System and method for radioactive emission measurement
US9943274B2 (en) 2004-11-09 2018-04-17 Spectrum Dynamics Medical Limited Radioimaging using low dose isotope
WO2008059489A2 (fr) 2006-11-13 2008-05-22 Spectrum Dynamics Llc Application à la radioimagerie de nouvelles formules de téboroxime
US8013307B2 (en) 2004-12-17 2011-09-06 Koninklijke Philips Electronics N.V. Truncation compensation algorithm for iterative reconstruction
JP4851723B2 (ja) * 2005-03-04 2012-01-11 富士通株式会社 内部構造画像取得装置、内部構造画像取得方法および内部構造画像取得プログラム
FI20055168A0 (fi) * 2005-04-13 2005-04-13 Gen Electric Tomografiamenetelmä
US8837793B2 (en) 2005-07-19 2014-09-16 Biosensors International Group, Ltd. Reconstruction stabilizer and active vision
JP4840854B2 (ja) * 2006-01-27 2011-12-21 国立大学法人東京農工大学 電子顕微鏡の画像処理システム及び方法並びにスペクトル処理システム及び方法
US8894974B2 (en) 2006-05-11 2014-11-25 Spectrum Dynamics Llc Radiopharmaceuticals for diagnosis and therapy
US9275451B2 (en) 2006-12-20 2016-03-01 Biosensors International Group, Ltd. Method, a system, and an apparatus for using and processing multidimensional data
JP5292055B2 (ja) * 2008-10-29 2013-09-18 株式会社日立製作所 配管検査用断層撮影方法および装置
EP2715670B1 (fr) 2011-05-27 2020-07-08 GE Sensing & Inspection Technologies GmbH Procédé de tomodensitométrie, logiciel informatique, dispositif informatique et système de tomodensitométrie pour déterminer une représentation volumétrique d'un échantillon
JP7438150B2 (ja) * 2018-06-29 2024-02-26 デルタレイ・ベーフェー 反復投影マッチング法を用いた放射線イメージングによる物品検査
JP7394545B2 (ja) * 2019-06-20 2023-12-08 株式会社小松製作所 非破壊検査システム、学習済みの排ガス処理フィルタ検査モデルの製造方法、および学習用データの生成方法
FR3108760B1 (fr) * 2020-03-26 2022-02-18 Safran Procédé de reconstruction par tomographie rayon X et dispositif associé
US11935228B2 (en) 2021-10-26 2024-03-19 Carl Zeiss Smt Gmbh Method to acquire a 3D image of a sample structure

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064440A (en) * 1976-06-22 1977-12-20 Roder Frederick L X-ray or gamma-ray examination device for moving objects
US4506327A (en) * 1981-11-23 1985-03-19 General Electric Company Limited-angle imaging using multiple energy scanning
US4835690A (en) * 1985-11-19 1989-05-30 Picker International, Inc. Integrated expert system for medical imaging scan, set-up, and scheduling
US5078140A (en) * 1986-05-08 1992-01-07 Kwoh Yik S Imaging device - aided robotic stereotaxis system
US4791934A (en) * 1986-08-07 1988-12-20 Picker International, Inc. Computer tomography assisted stereotactic surgery system and method
US4852131A (en) * 1988-05-13 1989-07-25 Advanced Research & Applications Corporation Computed tomography inspection of electronic devices
US4920491A (en) * 1988-05-16 1990-04-24 General Electric Company Enhancement of image quality by utilization of a priori information
US4969110A (en) * 1988-08-01 1990-11-06 General Electric Company Method of using a priori information in computerized tomography
FR2656129B1 (fr) * 1989-12-20 1992-03-13 Gen Electric Cgr Procede de reconstruction multi-echelle de l'image de la structure d'un corps.
US5081992A (en) * 1990-03-14 1992-01-21 Siemens Medical Systems Method for calculating localized magnetic resonance spectra from a small number of spatially-encoded spectroscopic signals
EP0710834A1 (fr) * 1990-06-22 1996-05-08 International Digital Modeling Corporation Appareil mobile et procédé pour l'inspection des installations stationnaires
FR2668829B1 (fr) * 1990-11-05 1993-10-22 Commissariat Energie Atomique Dispositif et procede de controle non destructif a acquisition simultanee de donnees radiographiques et de donnees tomographiques.
US5345490A (en) * 1991-06-28 1994-09-06 General Electric Company Method and apparatus for converting computed tomography (CT) data into finite element models
US5546472A (en) * 1992-08-07 1996-08-13 Arch Development Corp. Feature guided method and apparatus for obtaining an image of an object
US5442672A (en) * 1993-03-31 1995-08-15 Bjorkholm; Paul J. Three-dimensional reconstruction based on a limited number of X-ray projections
EP0649117A3 (fr) * 1993-10-15 1996-01-31 George S Allen Procédé pour générer des images médicales.
US5519225A (en) * 1994-10-03 1996-05-21 General Electric Company System and method for using a dual modality detector for inspecting objects
CA2204010A1 (fr) * 1994-10-31 1996-05-09 Jeffrey W. Eberhard Systeme d'inspection et technique de resolution spatiale pour la detection d'explosifs par interrogation neutronique et imagerie par rayons x
US5550376A (en) * 1995-05-22 1996-08-27 General Electric Company Method of calibration of imaging devices
US5715167A (en) * 1995-07-13 1998-02-03 General Electric Company Fixture for calibrated positioning of an object
US5642393A (en) * 1995-09-26 1997-06-24 Vivid Technologies, Inc. Detecting contraband by employing interactive multiprobe tomography
AU7730696A (en) * 1995-11-13 1997-06-05 United States Of America, As Represented By The Secretary Of The Army, The Apparatus and method for automatic recognition of concealed objects using multiple energy computed tomography
EP0816873B1 (fr) * 1996-06-27 2002-10-09 Analogic Corporation Système de détection de tomographie axiale transverse en quadrature
US5805098A (en) * 1996-11-01 1998-09-08 The United States Of America As Represented By The Secretary Of The Army Method and system for forming image by backprojection
US5848115A (en) * 1997-05-02 1998-12-08 General Electric Company Computed tomography metrology
US5909476A (en) * 1997-09-22 1999-06-01 University Of Iowa Research Foundation Iterative process for reconstructing cone-beam tomographic images

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101144579B1 (ko) * 2009-08-18 2012-05-09 서울여자대학교 산학협력단 호기 및 흡기 컴퓨터 단층촬영 영상의 비강체 폐 영상 정합 장치 및 방법
KR101147685B1 (ko) * 2012-01-30 2012-05-22 한국지질자원연구원 컴퓨터 단층촬영장치를 이용한 보석 가치 평가장치 및 그 방법
KR101356881B1 (ko) * 2012-04-02 2014-02-12 한국과학기술원 고해상도 양전자 방출 단층 촬영에서 병렬 처리를 위해 영상을 재구성하는 방법 및 장치
KR20210006270A (ko) * 2019-07-08 2021-01-18 한국과학기술원 3차원 산업용 컴퓨터 단층 영상 기법에서 금속으로 인한 인공음영 제거 방법 및 장치
US11080900B2 (en) 2019-07-08 2021-08-03 Korea Advanced Institute Of Science And Technology Method and apparatus for metal artifact reduction in industrial 3-dimensional cone beam computed tomography

Also Published As

Publication number Publication date
EP1145194A2 (fr) 2001-10-17
IL126761A0 (en) 1999-08-17
WO2000025268A2 (fr) 2000-05-04
WO2000025268A3 (fr) 2000-07-20
AU4287599A (en) 2000-05-15
JP2002528828A (ja) 2002-09-03

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Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20010426

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid