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WO2000025268A3 - Tomographie assistee par ordinateur pour inspection non destructive - Google Patents

Tomographie assistee par ordinateur pour inspection non destructive Download PDF

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Publication number
WO2000025268A3
WO2000025268A3 PCT/IL1999/000320 IL9900320W WO0025268A3 WO 2000025268 A3 WO2000025268 A3 WO 2000025268A3 IL 9900320 W IL9900320 W IL 9900320W WO 0025268 A3 WO0025268 A3 WO 0025268A3
Authority
WO
WIPO (PCT)
Prior art keywords
destructive testing
computerized tomography
reconstruction
image
reconstruction parameter
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.)
Ceased
Application number
PCT/IL1999/000320
Other languages
English (en)
Other versions
WO2000025268A2 (fr
Inventor
Avraham Robinson
Alex Roytvarf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ROMIDOT Ltd
Original Assignee
ROMIDOT Ltd
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 ROMIDOT Ltd filed Critical ROMIDOT Ltd
Priority to KR1020017005251A priority Critical patent/KR20010081097A/ko
Priority to JP2000578781A priority patent/JP2002528828A/ja
Priority to AU42875/99A priority patent/AU4287599A/en
Priority to EP99971130A priority patent/EP1145194A2/fr
Publication of WO2000025268A2 publication Critical patent/WO2000025268A2/fr
Publication of WO2000025268A3 publication Critical patent/WO2000025268A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/412—Dynamic
    • 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

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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)

Abstract

L'invention se rapporte à un procédé de reconstruction d'images de tomographie assistée par ordinateur selon lequel on utilise différentes valeurs associées à au moins un paramètre de reconstruction pour au moins deux parties différentes de l'image. De préférence, ledit (ou lesdits) paramètre(s) de reconstruction possède(nt) la taille des pixels.
PCT/IL1999/000320 1998-10-26 1999-06-14 Tomographie assistee par ordinateur pour inspection non destructive Ceased WO2000025268A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020017005251A KR20010081097A (ko) 1998-10-26 1999-06-14 비파괴 테스트용 컴퓨터 단층 촬영법 및 장치
JP2000578781A JP2002528828A (ja) 1998-10-26 1999-06-14 非破壊試験の為のコンピュータ断層撮影法
AU42875/99A AU4287599A (en) 1998-10-26 1999-06-14 Computerized tomography for non-destructive testing
EP99971130A EP1145194A2 (fr) 1998-10-26 1999-06-14 Tomographie assistee par ordinateur pour inspection non destructive

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
WO2000025268A2 WO2000025268A2 (fr) 2000-05-04
WO2000025268A3 true WO2000025268A3 (fr) 2000-07-20

Family

ID=11072069

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL1999/000320 Ceased WO2000025268A2 (fr) 1998-10-26 1999-06-14 Tomographie assistee par ordinateur pour inspection non destructive

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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8837793B2 (en) 2005-07-19 2014-09-16 Biosensors International Group, Ltd. Reconstruction stabilizer and active vision
US8894974B2 (en) 2006-05-11 2014-11-25 Spectrum Dynamics Llc Radiopharmaceuticals for diagnosis and therapy
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
US9275451B2 (en) 2006-12-20 2016-03-01 Biosensors International Group, Ltd. Method, a system, and an apparatus for using and processing multidimensional data
US9316743B2 (en) 2004-11-09 2016-04-19 Biosensors International Group, Ltd. System and method for radioactive emission measurement
US9370333B2 (en) 2000-08-21 2016-06-21 Biosensors International Group, Ltd. Radioactive-emission-measurement optimization to specific body structures
US9470801B2 (en) 2004-01-13 2016-10-18 Spectrum Dynamics Llc Gating with anatomically varying durations

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US7149339B2 (en) 2003-02-25 2006-12-12 Schlumberger Technology Corporation Non-destructive inspection of downhole equipment
US9040016B2 (en) 2004-01-13 2015-05-26 Biosensors International Group, Ltd. Diagnostic kit and methods for radioimaging myocardial perfusion
US7968851B2 (en) 2004-01-13 2011-06-28 Spectrum Dynamics Llc Dynamic spect camera
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
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
WO2006064404A2 (fr) 2004-12-17 2006-06-22 Koninklijke Philips Electronics N.V. Algorithme de compensation de troncature pour reconstruction iterative
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
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
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
KR101144579B1 (ko) * 2009-08-18 2012-05-09 서울여자대학교 산학협력단 호기 및 흡기 컴퓨터 단층촬영 영상의 비강체 폐 영상 정합 장치 및 방법
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
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
WO2020002705A1 (fr) * 2018-06-29 2020-01-02 Universiteit Antwerpen Inspection d'article par imagerie par rayonnement selon une approche de mise en correspondance par projection itérative
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
KR102225043B1 (ko) * 2019-07-08 2021-03-09 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
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

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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
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Cited By (7)

* 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
US9370333B2 (en) 2000-08-21 2016-06-21 Biosensors International Group, Ltd. Radioactive-emission-measurement optimization to specific body structures
US9470801B2 (en) 2004-01-13 2016-10-18 Spectrum Dynamics Llc Gating with anatomically varying durations
US9316743B2 (en) 2004-11-09 2016-04-19 Biosensors International Group, Ltd. System and method for radioactive emission measurement
US8837793B2 (en) 2005-07-19 2014-09-16 Biosensors International Group, Ltd. Reconstruction stabilizer and active vision
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

Also Published As

Publication number Publication date
KR20010081097A (ko) 2001-08-27
JP2002528828A (ja) 2002-09-03
WO2000025268A2 (fr) 2000-05-04
AU4287599A (en) 2000-05-15
EP1145194A2 (fr) 2001-10-17
IL126761A0 (en) 1999-08-17

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