Study of image characteristics on digital image correlation error assessment

Marina Fazzini 1 Sébastien Mistou 1 Olivier Dalverny 1 Laurent Robert 2
1 LGP - Laboratoire Génie de Production
2 CROMeP - Centre de Recherche Outillages, Matériaux et Procédés
Abstract : In this paper, errors related to digital image correlation (DIC) technique applied to measurements of displacements are estimated. This work is based on the generation of synthetic images representative of real speckle patterns. With these images, various parameters are treated in order to determine their impact on the measurement error. These parameters are related to the type of deformation imposed on the speckle, the speckle itself (encoding of the image, image saturation) or the software (subset size).
Keywords : Encoding Digital image correlation Error assessment Saturation
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Marina Fazzini, Sébastien Mistou, Olivier Dalverny, Laurent Robert. Study of image characteristics on digital image correlation error assessment. Optics and Lasers in Engineering, Elsevier, 2009, vol. 48, pp. 335-339. ⟨10.1016/j.optlaseng.2009.10.012⟩. ⟨hal-01688302⟩

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