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FR3000265B1 - METHOD FOR EVALUATING THE METROLOGICAL PERFORMANCE OF A CINEMATIC FIELD MEASUREMENT BY CORRELATION OF DIGITAL IMAGES - Google Patents

METHOD FOR EVALUATING THE METROLOGICAL PERFORMANCE OF A CINEMATIC FIELD MEASUREMENT BY CORRELATION OF DIGITAL IMAGES Download PDF

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Publication number
FR3000265B1
FR3000265B1 FR1262384A FR1262384A FR3000265B1 FR 3000265 B1 FR3000265 B1 FR 3000265B1 FR 1262384 A FR1262384 A FR 1262384A FR 1262384 A FR1262384 A FR 1262384A FR 3000265 B1 FR3000265 B1 FR 3000265B1
Authority
FR
France
Prior art keywords
evaluating
correlation
digital images
acquisition device
cinematic
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 - Fee Related
Application number
FR1262384A
Other languages
French (fr)
Other versions
FR3000265A1 (en
Inventor
Nicolas Swiergiel
Stephen Bouissou
Cyrille Schwob
Julien Vignot
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.)
Airbus Group SAS
Original Assignee
European Aeronautic Defence and Space Company EADS France
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 European Aeronautic Defence and Space Company EADS France filed Critical European Aeronautic Defence and Space Company EADS France
Priority to FR1262384A priority Critical patent/FR3000265B1/en
Priority to PCT/EP2013/076764 priority patent/WO2014095760A1/en
Publication of FR3000265A1 publication Critical patent/FR3000265A1/en
Application granted granted Critical
Publication of FR3000265B1 publication Critical patent/FR3000265B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G06T2207/10021—Stereoscopic video; Stereoscopic image sequence
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30108—Industrial image inspection
    • G06T2207/30164—Workpiece; Machine component
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30168—Image quality inspection

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

L'invention concerne essentiellement un procédé pour l'évaluation de la performance métrologique d'une mesure par corrélation d'images numériques, d'un champ cinématique d'une structure soumise à des sollicitations mécaniques et/ou thermiques, caractérisé en ce qu'il comporte les étapes consistant à : a) enregistrer (200) une image numérique de référence de la surface de la structure au moyen d'un dispositif d'acquisition d'images numériques, b) enregistrer (201) une image numérique, comprenant une modification optique déterminée, de la surface de la structure au moyen du dispositif d'acquisition d'images numériques, c) calculer (206) le champ de déplacement des points de la surface de la structure, mesuré par le dispositif d'acquisition d'images numériques (100), d) évaluer (207, 208) la précision de la mesure du champ de déplacement des points de la surface de la structure par le dispositif d'acquisition d'images numériques.The invention essentially relates to a method for evaluating the metrological performance of a measurement by correlation of digital images, of a kinematic field of a structure subjected to mechanical and / or thermal stresses, characterized in that it comprises the steps of: a) recording (200) a digital reference image of the surface of the structure by means of a digital image acquisition device, b) recording (201) a digital image, comprising a determined optical modification of the surface of the structure by means of the digital image acquisition device; c) calculating (206) the field of displacement of the points of the surface of the structure, measured by the acquisition device; digital images (100), d) evaluating (207, 208) the accuracy of the measurement of the displacement field of the points of the surface of the structure by the digital image acquisition device.

FR1262384A 2012-12-20 2012-12-20 METHOD FOR EVALUATING THE METROLOGICAL PERFORMANCE OF A CINEMATIC FIELD MEASUREMENT BY CORRELATION OF DIGITAL IMAGES Expired - Fee Related FR3000265B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1262384A FR3000265B1 (en) 2012-12-20 2012-12-20 METHOD FOR EVALUATING THE METROLOGICAL PERFORMANCE OF A CINEMATIC FIELD MEASUREMENT BY CORRELATION OF DIGITAL IMAGES
PCT/EP2013/076764 WO2014095760A1 (en) 2012-12-20 2013-12-16 Method for the evaluation of the metrological performance of a measurement of a kinematic field by correlation of digital images

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1262384 2012-12-20
FR1262384A FR3000265B1 (en) 2012-12-20 2012-12-20 METHOD FOR EVALUATING THE METROLOGICAL PERFORMANCE OF A CINEMATIC FIELD MEASUREMENT BY CORRELATION OF DIGITAL IMAGES

Publications (2)

Publication Number Publication Date
FR3000265A1 FR3000265A1 (en) 2014-06-27
FR3000265B1 true FR3000265B1 (en) 2019-01-25

Family

ID=48468415

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1262384A Expired - Fee Related FR3000265B1 (en) 2012-12-20 2012-12-20 METHOD FOR EVALUATING THE METROLOGICAL PERFORMANCE OF A CINEMATIC FIELD MEASUREMENT BY CORRELATION OF DIGITAL IMAGES

Country Status (2)

Country Link
FR (1) FR3000265B1 (en)
WO (1) WO2014095760A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2911999T3 (en) * 2018-02-28 2022-05-24 Centre Nat Rech Scient Computer-implemented procedure for the identification of mechanical properties through coupled image correlation and mechanical modeling

Also Published As

Publication number Publication date
WO2014095760A1 (en) 2014-06-26
FR3000265A1 (en) 2014-06-27

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