Fast, robust and accurate digital image correlation calculation without redundant computations

B Pan, K Li, W Tong - Experimental Mechanics, 2013 - Springer
High-efficiency and high-accuracy deformation analysis using digital image correlation (DIC)
has become increasingly important in recent years, considering the ongoing trend of using …

Formulation of Lucas–Kanade digital image correlation algorithms for non‐contact deformation measurements: a review

W Tong - Strain, 2013 - Wiley Online Library
Digital image correlation (DIC) metrology has been increasingly used in a wide range of
experimental mechanics research and applications. The DIC algorithm used so far is …

Fluorescent digital image correlation techniques in experimental mechanics

ZX Hu, TG Xu, XM Wang, ZM Xie, HY Luo, Y He… - Science China …, 2018 - Springer
White light has often been used for surface illumination to acquire images for digital image
correlation (DIC) analysis. In recent years, fluorescent imaging technique has been …

[HTML][HTML] Identification of post-necking strain hardening behavior of thin sheet metals from image-based surface strain data in uniaxial tension tests

L Wang, W Tong - International journal of solids and structures, 2015 - Elsevier
A local correction factor method is proposed for identifying the post-necking strain hardening
behavior of a thin flat sheet metal under uniaxial tension testing. Based on local surface …

Reducing the systematic error of DIC using gradient filtering

H Cui, Z Zeng, H Zhang, F Yang - Measurement, 2023 - Elsevier
Abstract The inverse compositional Gauss-Newton (IC-GN) DIC algorithm is now the most
popular DIC algorithm. The error analysis of the algorithm is necessary. However, the effect …

The bio-compatible dental implant designed by using non-stochastic porosity produced by Electron Beam Melting®(EBM)

M Jamshidinia, L Wang, W Tong… - Journal of Materials …, 2014 - Elsevier
The application of non-stochastic lattice structures for building a bio-compatible dental
abutment is investigated. The bio-compatible dental implant should mimic the micro-motion …

A high resolution DIC technique for measuring small thermal expansion of film specimens

YG Wang, W Tong - Optics and Lasers in Engineering, 2013 - Elsevier
In this study, we develop a high-resolution digital image correlation (HRDIC) platform for
measuring small thermal deformation of film specimens with some negative factors …

Subpixel image registration with reduced bias

W Tong - Optics letters, 2011 - opg.optica.org
A backward linear digital image correlation algorithm was introduced to obtain subpixel
image registration without noise-induced bias for an image set consisting of a noise-free …

Theoretical analysis on the measurement errors of local 2D DIC: part II assessment of strain errors of the local smoothing method–approaching an answer to the …

Y Wang, P Lava, P Reu, D Debruyne - Strain, 2016 - Wiley Online Library
In this paper, the strain error of subset‐based two‐dimensional digital image correlation
(DIC) is theoretically derived. Analytical solutions are provided to estimate the strain error. A …

Bias reduction in sub-pixel image registration based on the anti-symmetric feature

D Wang, Y Jiang, W Wang, Y Wang - Measurement Science and …, 2016 - iopscience.iop.org
A simple but effective bias reduction technique is developed based on the anti-symmetric
feature of the sub-pixel image registration bias. Depending on the error propagation theory …