ES2157065T3 - Metodo y aparato para medir formas de objetos. - Google Patents

Metodo y aparato para medir formas de objetos.

Info

Publication number
ES2157065T3
ES2157065T3 ES97908377T ES97908377T ES2157065T3 ES 2157065 T3 ES2157065 T3 ES 2157065T3 ES 97908377 T ES97908377 T ES 97908377T ES 97908377 T ES97908377 T ES 97908377T ES 2157065 T3 ES2157065 T3 ES 2157065T3
Authority
ES
Spain
Prior art keywords
measuring object
distribution
phase
object forms
calculated
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.)
Expired - Lifetime
Application number
ES97908377T
Other languages
English (en)
Inventor
Jonathan Mark Huntley
Henrik Saldner
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.)
Loughborough University
Loughborough University Innovations Ltd
Original Assignee
Loughborough University
Loughborough University Innovations 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
Priority claimed from GBGB9606127.0A external-priority patent/GB9606127D0/en
Priority claimed from GBGB9606330.0A external-priority patent/GB9606330D0/en
Priority claimed from GBGB9626632.5A external-priority patent/GB9626632D0/en
Application filed by Loughborough University , Loughborough University Innovations Ltd filed Critical Loughborough University
Application granted granted Critical
Publication of ES2157065T3 publication Critical patent/ES2157065T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
    • G01B11/2536—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object using several gratings with variable grating pitch, projected on the object with the same angle of incidence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Image Analysis (AREA)

Abstract

SE DESCRIBE UN METODO PARA MEDIR LA FORMA DE OBJETOS QUE PUEDEN TENER DISCONTINUIDADES SUPERFICIALES USANDO UNOS BORDES PROYECTADOS, EN CUYO METODO LA SEPARACION DE LOS BORDES SE HACE VARIAR RESPECTO AL TIEMPO Y LA SECUENCIA DE LAS IMAGENES CON FASE ESCALONADA SE GRABA, CALCULANDOSE UNA INTENSIDAD COMPLEJA TRIDIMENSIONAL Y LA FASE DE LA DISTRIBUCION SE DESARROLLA A LO LARGO DEL EJE DE TIEMPOS O SE CALCULA LA TRANSFORMADA DE FOURIER DE LA DISTRIBUCION A LO LARGO DEL EJE DE TIEMPOS.
ES97908377T 1996-03-22 1997-03-20 Metodo y aparato para medir formas de objetos. Expired - Lifetime ES2157065T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9606127.0A GB9606127D0 (en) 1996-03-22 1996-03-22 Measuring shape of objects
GBGB9606330.0A GB9606330D0 (en) 1996-03-26 1996-03-26 Measuring shape of objects
GBGB9626632.5A GB9626632D0 (en) 1996-12-21 1996-12-21 Measuring shape of objects

Publications (1)

Publication Number Publication Date
ES2157065T3 true ES2157065T3 (es) 2001-08-01

Family

ID=27268199

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97908377T Expired - Lifetime ES2157065T3 (es) 1996-03-22 1997-03-20 Metodo y aparato para medir formas de objetos.

Country Status (11)

Country Link
US (1) US6208416B1 (es)
EP (1) EP0888522B1 (es)
JP (1) JP3856838B2 (es)
AT (1) ATE201762T1 (es)
AU (1) AU2035597A (es)
DE (1) DE69705037T2 (es)
DK (1) DK0888522T3 (es)
ES (1) ES2157065T3 (es)
GR (1) GR3036298T3 (es)
PT (1) PT888522E (es)
WO (1) WO1997036144A1 (es)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6639685B1 (en) * 2000-02-25 2003-10-28 General Motors Corporation Image processing method using phase-shifted fringe patterns and curve fitting
JP2001343208A (ja) * 2000-03-30 2001-12-14 Fuji Photo Optical Co Ltd フーリエ変換を用いた縞解析方法および装置
JP4529227B2 (ja) * 2000-04-19 2010-08-25 Ｎｏｋ株式会社 平面検査装置および平面検査方法
RU2185598C1 (ru) * 2001-03-19 2002-07-20 Климов Андрей Владимирович Способ бесконтактного контроля линейных размеров трехмерных объектов
KR100415477B1 (ko) * 2001-05-22 2004-01-24 한국과학기술원 광위상간섭법을 적용한 3차원 공간상에서의 좌표결정 방법및 시스템
GB0119036D0 (en) * 2001-08-06 2001-09-26 South Bank Univ Entpr Ltd Three dimensional imaging
GB0200819D0 (en) * 2002-01-15 2002-03-06 Cole Polytechnique Federale De Microscopy imaging apparatus and method for generating an image
KR100470933B1 (ko) * 2002-01-15 2005-03-08 (주) 인텍플러스 경사단면 광섬유 광원을 이용한 위상천이 점회절 간섭계
KR100462071B1 (ko) * 2002-01-29 2004-12-16 한국과학기술원 멀티레터레이션에 근거한 점회절 광원을 이용한 대영역형상 측정법 및 시스템
GB0220228D0 (en) 2002-09-02 2002-10-09 Univ Heriot Watt Absolute phase measuring sensor
US6891370B2 (en) 2003-07-08 2005-05-10 General Electric Company Method and system for three dimensional phase unwrapping
US7525669B1 (en) 2004-07-09 2009-04-28 Mohsen Abdollahi High-speed, scanning phase-shifting profilometry using 2D CMOS sensor
US20060072122A1 (en) * 2004-09-30 2006-04-06 Qingying Hu Method and apparatus for measuring shape of an object
KR100740249B1 (ko) * 2005-10-19 2007-07-18 (주) 인텍플러스 영상 측정 장치 및 그 방법
US7595894B2 (en) 2006-06-02 2009-09-29 General Electric Company Profilometry apparatus and method of operation
US8265375B2 (en) * 2006-06-16 2012-09-11 Shirley Lyle G Method and apparatus for remote sensing of objects utilizing radiation speckle
WO2009120643A2 (en) * 2008-03-22 2009-10-01 Lyle Shirley Dimensional probe and methods of use
EP2015022A1 (en) * 2007-07-11 2009-01-14 General Electric Company Profilometry apparatus and method of operation
EP2977719A1 (en) 2007-08-17 2016-01-27 Renishaw plc Non-contact measurement apparatus and method
EP2211696B1 (en) * 2007-11-01 2018-12-26 Dental Imaging Technologies Corporation Intra-oral three-dimensional imaging system
US8059280B2 (en) * 2008-01-31 2011-11-15 Cyberoptics Corporation Method for three-dimensional imaging using multi-phase structured light
WO2009117015A1 (en) * 2008-03-18 2009-09-24 Shenzhen Tcl New Technology Ltd Apparatus and method for managing the power of an electronic device
EP2291686A4 (en) * 2008-05-09 2017-01-04 Exxonmobil Upstream Research Company Method for geophysical and stratigraphic interpretation using waveform anomalies
WO2010006081A1 (en) 2008-07-08 2010-01-14 Chiaro Technologies, Inc. Multiple channel locating
US9046355B2 (en) * 2009-07-29 2015-06-02 Canon Kabushiki Kaisha Measuring apparatus, measuring method, and program
CN101650164B (zh) * 2009-09-07 2011-02-09 东南大学 三维扫描系统中基于错位条纹的相位展开方法
GB0915904D0 (en) 2009-09-11 2009-10-14 Renishaw Plc Non-contact object inspection
US20110298891A1 (en) * 2010-06-04 2011-12-08 Iowa State University Research Foundation, Inc. Composite phase-shifting algorithm for 3-d shape compression
EP2596320A4 (en) 2010-07-24 2015-08-26 Focused Innovation Inc METHOD AND APPARATUS FOR IMAGING
US8314938B2 (en) * 2010-07-30 2012-11-20 Canon Kabushiki Kaisha Method and apparatus for measuring surface profile of an object
US9984474B2 (en) 2011-03-04 2018-05-29 General Electric Company Method and device for measuring features on or near an object
US9875574B2 (en) 2013-12-17 2018-01-23 General Electric Company Method and device for automatically identifying the deepest point on the surface of an anomaly
US10019812B2 (en) 2011-03-04 2018-07-10 General Electric Company Graphic overlay for measuring dimensions of features using a video inspection device
US10157495B2 (en) 2011-03-04 2018-12-18 General Electric Company Method and device for displaying a two-dimensional image of a viewed object simultaneously with an image depicting the three-dimensional geometry of the viewed object
US10586341B2 (en) 2011-03-04 2020-03-10 General Electric Company Method and device for measuring features on or near an object
EP2791618A4 (en) * 2011-12-12 2015-07-29 Zygo Corp TOUCHLESS SURFACE CHARACTERIZATION WITH MODULATED LIGHTING
US9020293B2 (en) * 2012-02-07 2015-04-28 National Cheung Kung University Integration of filters and phase unwrapping algorithms for removing noise in image reconstruction
US8463077B1 (en) * 2012-03-26 2013-06-11 National Cheng Kung University Rotation phase unwrapping algorithm for image reconstruction
EP2890987B1 (en) * 2012-08-31 2017-03-08 Dantec Dynamics A/S Optical velocimetry systems and methods for determining the velocity of a body using fringes generated by a spatial light modulator
US9459094B2 (en) * 2013-09-12 2016-10-04 Hong Kong Applied Science and Technology Research Institute Company Limited Color-encoded fringe pattern for three-dimensional shape measurement
US9842430B2 (en) 2013-12-17 2017-12-12 General Electric Company Method and device for automatically identifying a point of interest on a viewed object
US9600928B2 (en) 2013-12-17 2017-03-21 General Electric Company Method and device for automatically identifying a point of interest on the surface of an anomaly
US9818039B2 (en) 2013-12-17 2017-11-14 General Electric Company Method and device for automatically identifying a point of interest in a depth measurement on a viewed object
US20190011380A1 (en) * 2017-07-10 2019-01-10 Brigham Young University Wave interference systems and methods for measuring objects and waves
JP6847088B2 (ja) * 2018-12-04 2021-03-24 Ckd株式会社 投影装置及び三次元計測装置
CN113029042B (zh) * 2021-05-25 2021-08-03 四川大学 一种高温熔融态金属表面形貌动态测量装置及方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5321497A (en) * 1992-03-09 1994-06-14 Wyko Corporation Interferometric integration technique and apparatus to confine 2π discontinuity

Also Published As

Publication number Publication date
EP0888522A1 (en) 1999-01-07
DE69705037T2 (de) 2002-01-03
JP2000508066A (ja) 2000-06-27
DK0888522T3 (da) 2001-08-27
DE69705037D1 (de) 2001-07-05
AU2035597A (en) 1997-10-17
ATE201762T1 (de) 2001-06-15
US6208416B1 (en) 2001-03-27
WO1997036144A1 (en) 1997-10-02
EP0888522B1 (en) 2001-05-30
GR3036298T3 (en) 2001-10-31
JP3856838B2 (ja) 2006-12-13
PT888522E (pt) 2001-10-30

Similar Documents

Publication Publication Date Title
ES2157065T3 (es) Metodo y aparato para medir formas de objetos.
DE68918886D1 (de) Verfahren zur Gewinnung der Aussenlinie eines Objektes in einem Bild.
DE69726025D1 (de) Verfahren und vorrichtung zum erhalten einer dreidimensionalen form
DE69922109D1 (de) Interferometrische Vorrichtung zum Sichtbarmachung von Optischen Reflexion- und/oder Transmissionscharakteristiken im inneren eines Objektes
BR9601006A (pt) Aparelho e método para afiar a borda de um objeto alongado
BR9709753B1 (pt) processos e aparelhos para determinar o posicionamento tridimensional, a orientaÇço e a distribuiÇço de massa.
DE69329514T2 (de) Verfahren und Gerät zum Vorverarbeiten von Kegelstrahlprojektionsdaten zur exakten dreidimensionalen CT-Bildrekonstruktion eines Teilobjekts
ES215920Y (es) Un instrumento para uso en la localizacion de objetos ocusi-vos alojados en conductos corporales y su remocion a partir de los mismos.
ATE376165T1 (de) Apparat und verfahren zur oberflächenkonturmessung
DE69605320T2 (de) Vorrichtung zur prüfung des durchmessers von kurbelwellenzapfen rotierend mit einer orbitalen bewegung
MX174064B (es) Aparato y metodo para generar señales de cuadratura
DE69522082D1 (de) Bilderzeugungsgerät mit einem Zwischenübertragungselement und Verfahren zur Bilderzeugung mit dem Übertragungselement
Burton et al. The use of carrier frequency shifting for the elimination of phase discontinuities in Fourier transform profilometry
BR7700804A (pt) Processo de gerar imagens codificadas de objetos tridimensionais e aparelho para sua relaizacao
DE69129733D1 (de) Verfahren und Vorrichtung zur dreidimensionalen Bilderzeugung eines Objektes mit zwei Kreisbahnen gemeinsamer Achse
BR9507687A (pt) Aparelho para testar a autenticidade de artigos
DE69030705T2 (de) Netzwerk zur Kommunikation mit dem übernächsten Nachbarn in Vektorprozessorsystemen und Verfahren
BR9004604A (pt) Metodo e aparelho para a secagem de objetos
DE68914594T2 (de) Verfahren zur Auswahl eines Objektes in einem n-dimensionalen Referenzsystem und Anzeige des ausgewählten Objektes.
Jin et al. Automated moiré contouring of diffuse surfaces
Kujawinska et al. Fringe pattern analysis using Fourier transform techniques
DE69723068D1 (de) Vorrichtung zur fixierung eines objektes in einem interferometer
Pedrini et al. Speckle size of digitally reconstructed wavefronts of diffusely scattering objects
DE68927662T2 (de) Verfahren zur Feststellung der Lage eines Objektmusters in einem Bild
KR890014991A (ko) 3차원 곡면 형상의 측정방법 및 장치

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 888522

Country of ref document: ES