Path-independent digital image correlation with high accuracy, speed and robustness

Z Jiang, Q Kemao, H Miao, J Yang, L Tang - Optics and Lasers in …, 2015 - Elsevier
The initial guess transferring mechanism is widely used in iterative DIC algorithms and leads
to path-dependence. Using the known deformation at a processed point to estimate the …

Automated initial guess in digital image correlation aided by Fourier–Mellin transform

B Pan, Y Wang, L Tian - Optical Engineering, 2017 - spiedigitallibrary.org
The state-of-the-art digital image correlation (DIC) method using iterative spatial-domain
cross correlation, eg, the inverse-compositional Gauss–Newton algorithm, for full-field …

SIFT-aided path-independent digital image correlation accelerated by parallel computing

J Yang, J Huang, Z Jiang, S Dong, L Tang, Y Liu… - Optics and Lasers in …, 2020 - Elsevier
Current iterative digital image correlation (DIC) algorithms can efficiently converge at the
deformation vector with high accuracy when they are fed with reliable initial guess. Thus, the …

Large deformation measurement using digital image correlation: a fully automated approach

Y Zhou, B Pan, YQ Chen - Applied optics, 2012 - opg.optica.org
In digital image correlation, the iterative spatial domain cross-correlation algorithm is
considered as a gold standard for matching the corresponding points in two images, but …

A fast digital image correlation method for deformation measurement

B Pan, K Li - Optics and Lasers in Engineering, 2011 - Elsevier
Fast and high-accuracy deformation analysis using digital image correlation (DIC) has been
increasingly important and highly demanded in recent years. In literature, the DIC method …

Noise robustness and parallel computation of the inverse compositional Gauss–Newton algorithm in digital image correlation

X Shao, X Dai, X He - Optics and Lasers in Engineering, 2015 - Elsevier
Abstract The inverse compositional Gauss–Newton (IC-GN) algorithm is one of the most
popular sub-pixel registration algorithms in digital image correlation (DIC). The IC-GN …

Superfast robust digital image correlation analysis with parallel computing

B Pan, L Tian - Optical Engineering, 2015 - spiedigitallibrary.org
Existing digital image correlation (DIC) using the robust reliability-guided displacement
tracking (RGDT) strategy for full-field displacement measurement is a path-dependent …

Speeding up digital image correlation computation using the integral image technique

L Jiang, H Xie, B Pan - Optics and Lasers in Engineering, 2015 - Elsevier
In recent years, with the requirement of high-resolution and real-time measurement, the
computation speed of digital image correlation (DIC) has become increasingly important. At …

Initial guess by improved population-based intelligent algorithms for large inter-frame deformation measurement using digital image correlation

J Zhao, P Zeng, L Lei, Y Ma - Optics and Lasers in Engineering, 2012 - Elsevier
Digital image correlation (DIC) has received a widespread research and application in
experimental mechanics. In DIC, the performance of subpixel registration algorithm (eg …

Full-automatic seed point selection and initialization for digital image correlation robust to large rotation and deformation

X Zou, B Pan - Optics and Lasers in Engineering, 2021 - Elsevier
Accurate initial guess plays a key role to realize full-automatic digital image correlation (DIC)
analysis, especially when large rotational deformation presents in deformed images. In this …