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IT1231291B - Metodo di uso di informazioni a priori in tomografia assistita da calcolatore. - Google Patents

Metodo di uso di informazioni a priori in tomografia assistita da calcolatore.

Info

Publication number
IT1231291B
IT1231291B IT8921233A IT2123389A IT1231291B IT 1231291 B IT1231291 B IT 1231291B IT 8921233 A IT8921233 A IT 8921233A IT 2123389 A IT2123389 A IT 2123389A IT 1231291 B IT1231291 B IT 1231291B
Authority
IT
Italy
Prior art keywords
computer
priori information
assisted tomography
tomography
assisted
Prior art date
Application number
IT8921233A
Other languages
English (en)
Other versions
IT8921233A0 (it
Inventor
Francis Howard Little
David Lacy Hampson
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8921233A0 publication Critical patent/IT8921233A0/it
Application granted granted Critical
Publication of IT1231291B publication Critical patent/IT1231291B/it

Links

Classifications

    • G06T12/30
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating 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
    • G01N23/02Investigating 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
    • G01N23/04Investigating 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
    • G01N23/046Investigating 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]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/40Imaging
    • G01N2223/419Imaging computed tomograph
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00X-ray or gamma ray systems or devices
    • Y10S378/901Computer tomography program or processor

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)
  • Apparatus For Radiation Diagnosis (AREA)
IT8921233A 1988-08-01 1989-07-19 Metodo di uso di informazioni a priori in tomografia assistita da calcolatore. IT1231291B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/226,497 US4969110A (en) 1988-08-01 1988-08-01 Method of using a priori information in computerized tomography

Publications (2)

Publication Number Publication Date
IT8921233A0 IT8921233A0 (it) 1989-07-19
IT1231291B true IT1231291B (it) 1991-11-28

Family

ID=22849151

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8921233A IT1231291B (it) 1988-08-01 1989-07-19 Metodo di uso di informazioni a priori in tomografia assistita da calcolatore.

Country Status (7)

Country Link
US (1) US4969110A (it)
JP (1) JPH0288951A (it)
CA (1) CA1309514C (it)
DE (1) DE3924066A1 (it)
FR (1) FR2634923A1 (it)
GB (1) GB2222356B (it)
IT (1) IT1231291B (it)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270926A (en) * 1990-12-21 1993-12-14 General Electric Company Method and apparatus for reconstructing a three-dimensional computerized tomography (CT) image of an object from incomplete cone beam projection data
US5170439A (en) * 1991-06-11 1992-12-08 Picker International, Inc. Cone beam reconstruction using combined circle and line orbits
US5611026A (en) * 1992-12-21 1997-03-11 General Electric Company Combining a priori data with partial scan data to project three dimensional imaging of arbitrary objects with computerized tomography
FR2700000B1 (fr) * 1992-12-29 1995-02-24 Inst Francais Du Petrole Procédé de reconstitution de volumes internes d'un solide en vue de calculs et application associée.
US5440647A (en) * 1993-04-22 1995-08-08 Duke University X-ray procedure for removing scattered radiation and enhancing signal-to-noise ratio (SNR)
US5563808A (en) * 1993-05-03 1996-10-08 General Electric Company Pilger mill mandrel measuring device
EP0811145A4 (en) * 1995-12-05 1998-07-08 Sven Technologies Inc GENERATION OF DATA RELATING TO THE SURFACE OF AN OBJECT
US6215269B1 (en) * 1996-05-21 2001-04-10 Kent Gregg Method of exposing a path on a curved, or otherwise irregularly shaped, surface
US5764721A (en) * 1997-01-08 1998-06-09 Southwest Research Institute Method for obtaining optimized computed tomography images from a body of high length-to-width ratio using computer aided design information for the body
US5848115A (en) * 1997-05-02 1998-12-08 General Electric Company Computed tomography metrology
US6041132A (en) * 1997-07-29 2000-03-21 General Electric Company Computed tomography inspection of composite ply structure
US6047041A (en) * 1997-09-08 2000-04-04 Scientific Measurement System Apparatus and method for comparison
EP0959344B1 (de) * 1998-05-20 2004-11-17 compra GmbH Inspektionsgesellschaft für Qualitätssicherung & Rückbau Verfahren und Baugruppe zur Durchführung von Durchstrahlungsprüfungen an Werkstoffeinheiten
IL126761A0 (en) * 1998-10-26 1999-08-17 Romidot Ltd Computerized tomography for non-destructive testing
US7147338B2 (en) 2001-04-09 2006-12-12 Kent Gregg Circuit on a curved, or otherwise irregularly shaped, surface, such as on a helmet to be worn on the head, including a fiber optic conductive path
JP4157302B2 (ja) * 2002-01-10 2008-10-01 株式会社日立メディコ X線ct装置
US7015473B2 (en) * 2003-09-30 2006-03-21 General Electric Company Method and apparatus for internal feature reconstruction
US7203267B2 (en) * 2004-06-30 2007-04-10 General Electric Company System and method for boundary estimation using CT metrology
DE112006001354A5 (de) * 2005-03-09 2008-03-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Korrektur von Nichtlinearitäten eines Abbildungssystems durch ein a-priori Wissen bei Durchstrahlungsaufnahmen
DE102005032686A1 (de) * 2005-07-06 2007-01-11 Carl Zeiss Industrielle Messtechnik Gmbh Verfahren und Anordnung zum Untersuchen eines Messobjekts mittels invasiver Strahlung
DE102005039422A1 (de) 2005-08-16 2007-02-22 Carl Zeiss Industrielle Messtechnik Gmbh Computertomografie-Messanordnung und Verfahren
US20070163114A1 (en) * 2006-01-13 2007-07-19 General Electric Company Methods for fabricating components
DE102006022104B4 (de) * 2006-05-11 2012-09-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur dreidimensionalen Vermessung eines Festkörpers
WO2008059982A1 (fr) * 2006-11-13 2008-05-22 National University Corporation Kyoto Institute Of Technology Dispositif de reconfiguration d'image, procédé de reconfiguration d'image, programme de reconfiguration d'image, appareil de tomodensitométrie
DE102007001928B4 (de) * 2007-01-12 2009-06-18 Yxlon International X-Ray Gmbh Verfahren und Vorrichtung zur in-situ-Untersuchung von mechanisch belasteten Prüfobjekten mittels Computertomographie
DE102007016370A1 (de) 2007-04-03 2008-10-09 Carl Zeiss Industrielle Messtechnik Gmbh Verfahren und eine Messanordnung zum Erzeugen von dreidimensionalen Bildern von Messobjekten mittels invasiver Strahlung
DE102007043820B4 (de) 2007-09-13 2020-06-04 Carl Zeiss Industrielle Messtechnik Gmbh Verfahren zur Bestimmung eines Korrekturwerts einer Bremsfleckposition einer Röntgenquelle einer Messanordnung sowie eine Messanordnung zum Erzeugen von Durchstrahlungsbildern
US8010315B2 (en) * 2007-11-27 2011-08-30 General Electric Company Multi-modality inspection method with data validation and data fusion
US7840367B2 (en) * 2007-11-28 2010-11-23 General Electric Company Multi-modality inspection system
DE102007060892A1 (de) 2007-12-14 2009-01-15 Carl Zeiss Industrielle Messtechnik Gmbh Auswertung eines durch Vermessung mittels invasiver Strahlung erhaltenen Messdatensatzes
US7639777B2 (en) * 2008-02-26 2009-12-29 United Technologies Corp. Computed tomography systems and related methods involving forward collimation
US8238521B2 (en) * 2008-03-06 2012-08-07 United Technologies Corp. X-ray collimators, and related systems and methods involving such collimators
DE102008018445A1 (de) 2008-04-07 2009-10-15 Carl Zeiss Industrielle Messtechnik Gmbh Verfahren zum tomographischen Vermessen von mechanischen Werkstücken
US7876875B2 (en) * 2008-04-09 2011-01-25 United Technologies Corp. Computed tomography systems and related methods involving multi-target inspection
US7888647B2 (en) * 2008-04-30 2011-02-15 United Technologies Corp. X-ray detector assemblies and related computed tomography systems
US8233690B2 (en) * 2008-04-30 2012-07-31 Real-Time Tomography, Llc Dynamic tomographic image reconstruction and rendering on-demand
US20090274264A1 (en) * 2008-04-30 2009-11-05 United Technologies Corp. Computed Tomography Systems and Related Methods Involving Localized Bias
DE102008034117A1 (de) 2008-07-21 2010-02-04 Carl Zeiss Industrielle Messtechnik Gmbh Verfahren und Vorrichtung zum Herstellen eines Urformwerkzeugs
JP2010169636A (ja) * 2009-01-26 2010-08-05 Nikon Corp 形状測定装置
FR2960642B1 (fr) * 2010-05-28 2012-07-13 Snecma Procede de controle non destructif et dispositif de mise en oeuvre du procede
DE102013104490A1 (de) * 2013-01-25 2014-07-31 Werth Messtechnik Gmbh Verfahren und Vorrichtung zur Bestimmung der Geometrie von Strukturen mittels Computertomografie
US9410905B2 (en) * 2013-03-27 2016-08-09 United Technologies Corporation Non-destructive inspection of an article using cross-sections through internal feature
CA2906973C (en) * 2013-04-04 2020-10-27 Illinois Tool Works Inc. Helical computed tomography
JP5639690B2 (ja) * 2013-07-05 2014-12-10 株式会社アドバンテスト 付着量測定装置、測定方法、プログラム、記録媒体
CA2931246C (en) 2013-11-27 2019-09-24 General Electric Company Fuel nozzle with fluid lock and purge apparatus
JP6695801B2 (ja) 2013-12-23 2020-05-20 ゼネラル・エレクトリック・カンパニイ 可撓性支持構造体を備えた燃料ノズル
CA2933536C (en) 2013-12-23 2018-06-26 General Electric Company Fuel nozzle structure for air-assisted fuel injection
US9299007B2 (en) * 2014-01-28 2016-03-29 Ncr Corporation Methods and apparatus for item identification using brightness compensation
US9351697B2 (en) * 2014-03-04 2016-05-31 General Electric Company Method and system for dimensional analysis of an object
US9909999B2 (en) * 2015-03-27 2018-03-06 Delavan Inc. Systems and methods for radiographic inspection
JP2016205899A (ja) * 2015-04-17 2016-12-08 株式会社ミツトヨ 回転テーブルの制御方法及び装置
US20170023495A1 (en) * 2015-07-20 2017-01-26 Apple Inc. Universal computerized tomography fixture system with a multi-scan robotic positioning apparatus
US9880112B2 (en) * 2015-08-07 2018-01-30 The Boeing Company Methods and system for determining shear angle
EP3239698A1 (en) * 2016-04-26 2017-11-01 Danmarks Tekniske Universitet High precision computed tomography for metrology
US11408836B2 (en) 2019-04-01 2022-08-09 General Electric Company Method for inspecting components using computed tomography
DE102024204839A1 (de) 2024-05-24 2025-11-27 Carl Zeiss Industrielle Messtechnik Gmbh Verfahren zum Kalibrieren einer Messanordnung und Kalibrieranordnung insbesondere zur Ausführung des Verfahrens

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5537919A (en) * 1978-09-11 1980-03-17 Ngk Insulators Ltd Automatic outer configuration measurement device
DE2844927A1 (de) * 1978-10-14 1980-04-30 Philips Patentverwaltung Verfahren zur ermittlung des koerperrandes zur rekonstruktion einer absorptionsverteilung in einem ebenen untersuchungsbereich eines koerpers
DE2901406A1 (de) * 1979-01-15 1980-07-24 Philips Patentverwaltung Verfahren zur ermittlung des koerperrandes zur rekonstruktion der absorption von strahlung in einem ebenen bereich eines koerpers
DE2926456A1 (de) * 1979-06-30 1981-01-15 Philips Patentverwaltung Verfahren zur ermittlung des randes eines koerpers mittels am koerper gestreuter strahlung
US4506327A (en) * 1981-11-23 1985-03-19 General Electric Company Limited-angle imaging using multiple energy scanning
GB8316746D0 (en) * 1983-06-20 1983-07-20 Bicc Plc Void detection in cast metal
US4672650A (en) * 1984-02-16 1987-06-09 Kabushiki Kaisha Toshiba Tomographic testing apparatus
DE3716988A1 (de) * 1986-06-23 1988-01-14 Gen Electric Verfahren zum rekonstruieren von objekten aus abtastungen mit begrenztem winkel bei der computertomographie
US4888693A (en) * 1987-04-01 1989-12-19 General Electric Company Method to obtain object boundary information in limited-angle computerized tomography
FR2613478B1 (fr) * 1987-04-06 1992-04-10 Jaeger Dispositif de mesure comprenant un transducteur du type rheostat, en particulier pour la mesure de carburant dans le reservoir d'un vehicule automobile
US4920491A (en) * 1988-05-16 1990-04-24 General Electric Company Enhancement of image quality by utilization of a priori information

Also Published As

Publication number Publication date
GB2222356B (en) 1992-11-04
JPH0288951A (ja) 1990-03-29
US4969110A (en) 1990-11-06
GB2222356A (en) 1990-02-28
IT8921233A0 (it) 1989-07-19
DE3924066A1 (de) 1990-02-08
CA1309514C (en) 1992-10-27
GB8917363D0 (en) 1989-09-13
FR2634923A1 (fr) 1990-02-02

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