Stereo digital image correlation (stereo-DIC) technique shows a powerful capacity on full-
field three-dimensional (3D) deformation measurement of rotary machine structures …

Circular markers are widely used in image-based measurement fields, eg vision system
calibration, displacement measurement, and vibration monitoring. Generally, the marker …

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

Circular targets, as one of typical image features, are widely used in image-based
measurement, such as photogrammetry, displacement sensing, and vibration monitoring …

Recovering the geometric shape of deformable objects from images is essential to optical
three-dimensional (3D) deformation measurements and is also actively pursued by …

Video deflectometers, as a real‐time, contactless optical means, show great potentials in
monitoring structural deflections. However, variations of illumination conditions pose a …

Real-time monitoring of structural health conditions for rotary objects is of importance for
safety assessments. In this work, an efficient algorithm based on digital image correlation is …

Image-based displacement measurement techniques are widely used for sensing the
deformation of structures, and plays an increasing role in structural health monitoring owing …

Digital image correlation (DIC) has become a valuable tool to monitor and evaluate
mechanical experiments of cracked specimen, but the automatic detection of cracks is often …

In order to research the laws of roof collapsing and overlaying stratum movement in close
distance coal seams mining and prevent roof accidents during such mining. The close …