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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T12/00—Tomographic reconstruction from projections
- G06T12/30—Image post-processing, e.g. metal artefact correction
-
- 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
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/40—Imaging
- G01N2223/419—Imaging computed tomograph
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S378/00—X-ray or gamma ray systems or devices
- Y10S378/901—Computer tomography program or processor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pulmonology (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
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)
| 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 |
| AU1282097A (en) * | 1995-12-05 | 1997-06-27 | Sven Technologies, Inc. | Generating data about 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 |
| DE59812274D1 (de) * | 1998-05-20 | 2004-12-23 | Compra Gmbh Inspektionsgesells | 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 |
| EP1861734A2 (de) * | 2005-03-09 | 2007-12-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Korrektur von nichtlinearitäten eines abbildungssytems 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 |
| JP5190825B2 (ja) * | 2006-11-13 | 2013-04-24 | 国立大学法人京都工芸繊維大学 | 画像再構成装置、画像再構成方法、画像再構成プログラム、ｃｔ装置 |
| 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 |
| US20090274264A1 (en) * | 2008-04-30 | 2009-11-05 | United Technologies Corp. | Computed Tomography Systems and Related Methods Involving Localized Bias |
| US8233690B2 (en) * | 2008-04-30 | 2012-07-31 | Real-Time Tomography, Llc | Dynamic tomographic image reconstruction and rendering on-demand |
| US7888647B2 (en) * | 2008-04-30 | 2011-02-15 | United Technologies Corp. | X-ray detector assemblies and related computed tomography systems |
| 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 |
| CN110376223B (zh) * | 2013-04-04 | 2023-03-31 | 伊利诺斯工具制品有限公司 | X射线成像系统及方法及数据存储媒介 |
| 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 |
| CN105765305B (zh) | 2013-11-27 | 2018-05-08 | 通用电气公司 | 具有流体锁和吹扫设备的燃料喷嘴 |
| WO2015147934A1 (en) | 2013-12-23 | 2015-10-01 | General Electric Company | Fuel nozzle structure for air-assisted fuel injection |
| CN105829802B (zh) | 2013-12-23 | 2018-02-23 | 通用电气公司 | 具有柔性支承结构的燃料喷嘴 |
| 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)
| 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 |
-
1988
- 1988-08-01 US US07/226,497 patent/US4969110A/en not_active Expired - Fee Related
-
1989
- 1989-06-08 CA CA000602220A patent/CA1309514C/en not_active Expired - Lifetime
- 1989-07-19 IT IT8921233A patent/IT1231291B/it active
- 1989-07-20 DE DE3924066A patent/DE3924066A1/de not_active Withdrawn
- 1989-07-20 FR FR8909757A patent/FR2634923A1/fr active Pending
- 1989-07-28 GB GB8917363A patent/GB2222356B/en not_active Expired
- 1989-08-01 JP JP1198127A patent/JPH0288951A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT8921233A0 (it) | 1989-07-19 |
| FR2634923A1 (fr) | 1990-02-02 |
| DE3924066A1 (de) | 1990-02-08 |
| GB8917363D0 (en) | 1989-09-13 |
| GB2222356A (en) | 1990-02-28 |
| JPH0288951A (ja) | 1990-03-29 |
| CA1309514C (en) | 1992-10-27 |
| US4969110A (en) | 1990-11-06 |
| GB2222356B (en) | 1992-11-04 |
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