3-D computer vision in experimental mechanics

JJ Orteu - Optics and lasers in engineering, 2009 - Elsevier
Optical methods that give displacement or strain fields are now widely used in experimental
mechanics. Some of the methods can only measure in-plane displacements/strains on …

A combined temporal tracking and stereo-correlation technique for accurate measurement of 3D displacements: application to sheet metal forming

D Garcia, JJ Orteu, L Penazzi - Journal of Materials Processing Technology, 2002 - Elsevier
Optical methods that give displacement or strain fields are now emerging significantly in the
mechanical sciences. Much work has been done on two-dimensional (2D) …

Accurate measurement of three-dimensional deformations in deformable and rigid bodies using computer vision

PF Luo, YJ Chao, MA Sutton, WH Peters - Experimental mechanics, 1993 - Springer
Recently, digital-image-correlation techniques have been used to accurately determine two-
dimensional in-plane displacements and strains. An extension of the two-dimensional …

Advances in light microscope stereo vision

HW Schreier, D Garcia, MA Sutton - Experimental mechanics, 2004 - Springer
The increasing research focus on small-scale mechanical systems has generated a need for
deformation and strain measurement systems for microscale applications. Optical …

Application of stereo vision to three-dimensional deformation analyses in fracture experiments

PF Luo, YJ Chao, MA Sutton - Optical engineering, 1994 - spiedigitallibrary.org
Based on a pinhole camera model, camera model equations that account for the radial lens
distortion are used to map three-dimensional (3-D) world coordinates to two-dimensional (2 …

Digital image correlation for whole field out-of-plane displacement measurement using a single camera

CJ Tay, C Quan, YH Huang, Y Fu - Optics Communications, 2005 - Elsevier
Digital image correlation (DIC) using a single camera has been widely used for in-plane
displacement and strain measurement. However, in order to obtain out-of-plane …

Whole-field thickness strain measurement using multiple camera digital image correlation system

J Li, X Xie, G Yang, B Zhang, T Siebert… - Optics and Lasers in …, 2017 - Elsevier
Three Dimensional digital image correlation (3D-DIC) has been widely used by industry,
especially for strain measurement. The traditional 3D-DIC system can accurately obtain the …

Three-dimensional displacement measurements using digital image correlation and photogrammic analysis

ZL Kahn-Jetter, TC Chu - Experimental Mechanics, 1990 - Springer
The application of digital image correlation and stereoscopic principles is used to determine
three-dimensional displacements. Two pairs of stereo images of a speckled surface before …

A stereoscopic digital speckle photography system for 3-D displacement field measurements

P Synnergren, M Sjödahl - Optics and Lasers in Engineering, 1999 - Elsevier
Stereoscopic digital speckle photography offers a technique to measure object shapes and
3-D displacement fields in experimental mechanics. The system measures the displacement …

On error assessment in stereo-based deformation measurements: part I: theoretical developments for quantitative estimates

YQ Wang, MA Sutton, XD Ke, HW Schreier… - Experimental …, 2011 - Springer
Using the basic equations for stereo-vision with established procedures for camera
calibration, the error propagation equations for determining both bias and variability in a …