Analysis of image series through global digital image correlation

Gilles Besnard (1) , Hugo Leclerc (1) , François Hild (1) , Stéphane Roux (1) , Nicolas Swiergiel (2)

1 LMT - Laboratoire de Mécanique et Technologie
2 EADS IW - EADS Innovation Works [Suresnes]

Most often, digital image correlation is used to analyse a sequence of images. Exploitation of an expected temporal regularity in the displacement fields can be used to enhance the performances of a digital image correlation analysis, either in terms of spatial resolution, or in terms of uncertainty. A general theoretical framework is presented, tested on artificial and experimental image series.

Mots clés: Digital image correlation; displacement field; measurement uncertainty; resolution; spatiotemporal regularization; video

Domaines: Mécanique des matériaux [physics.class-ph]; Mécanique des matériaux [physics.class-ph]

Gilles Besnard, Hugo Leclerc, François Hild, Stéphane Roux, Nicolas Swiergiel. Analysis of image series through global digital image correlation. Journal of Strain Analysis for Engineering Design, 2012, 47 (4), pp.214-288. ⟨10.1177/0309324712441435⟩. ⟨hal-00694332⟩