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 PDFInfo
- 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
Links
- 238000005259 measurement Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 238000006073 displacement reaction Methods 0.000 abstract 2
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 230000008646 thermal stress Effects 0.000 abstract 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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; CALCULATING OR 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.
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 |
---|---|---|---|
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 |
FR1262384 | 2012-12-20 |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11215446B2 (en) * | 2018-02-28 | 2022-01-04 | Centre National De La Recherche Scientifique | Computer-implemented method for identifying mechanical properties by coupled correlation of images and mechanical modelling |
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2012
- 2012-12-20 FR FR1262384A patent/FR3000265B1/en not_active Expired - Fee Related
-
2013
- 2013-12-16 WO PCT/EP2013/076764 patent/WO2014095760A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
FR3000265A1 (en) | 2014-06-27 |
WO2014095760A1 (en) | 2014-06-26 |
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ST | Notification of lapse |
Effective date: 20230808 |