The development of optics and computer technologies enables the application of the vision-
based technique that uses digital cameras to the displacement measurement of large-scale …

The main metrological performance of two full-field measurement techniques, namely local
digital image correlation (DIC) and grid method (GM), are compared in this paper. The …

The two major subpixel registration algorithms, currently being used in subset-based digital
image correlation, are the classic Newton-Raphson (FA-NR) algorithm with forward additive …

As an indispensable non-destructive testing technique, digital image correlation (DIC) has
been increasingly applied to various engineering areas concerning deformation …

In digital image correlation (DIC), the unknown displacement field is typically identified by
minimizing the linearized form of the brightness conservation equation, while the …

Today, effective implementations of digital image correlation (DIC) are based on iterative
algorithms with constant linear operators. A relevant idea of the classic finite element (or …

This paper presents an inverse compositional Levenberg-Marquardt (IC-LM) algorithm for
robust, efficient, and accurate image registration in digital image correlation (DIC). In …

In experimental solid mechanics optical methods allow for non-contact derivation of full-field
information. In this paper, optical flow based deformation measurement routines are …

Vision-based structural displacement methods allow convenient monitoring of civil structures
such as bridges, though they are often limited due to the small number of measurement …

This paper deals with the optimal pattern that can be used to retrieve displacement fields by
minimizing the optical residual calculated over small regions of contrasted images. This …