Accurate displacement measurement via a self-adaptive digital image correlation method based on a weighted ZNSSD criterion

Y Yuan, J Huang, X Peng, C Xiong, J Fang… - Optics and lasers in …, 2014 - Elsevier
Digital image correlation (DIC) technique has been increasingly employed to implement
surface deformation measurements in many engineering fields. Practically, it has been …

Subpixel matching using double-precision gradient-based method for digital image correlation

G Liu, M Li, W Zhang, J Gu - Sensors, 2021 - mdpi.com
Digital image correlation (DIC) for displacement and strain measurement has flourished in
recent years. There are integer pixel and subpixel matching steps to extract displacement …

Generalized spatial-gradient-based digital image correlation for displacement and shape measurement with subpixel accuracy

B Pan, Z Wang, H Xie - The Journal of Strain Analysis for …, 2009 - journals.sagepub.com
A generalized spatial-gradient-based digital image correlation (DIC) method is proposed for
subpixel-accuracy displacement and shape measurement. The proposed method …

Bias error reduction of digital image correlation using Gaussian pre-filtering

B Pan - Optics and Lasers in Engineering, 2013 - Elsevier
In digital image correlation (DIC), the iterative spatial domain cross-correlation algorithm
using high-order B-spline interpolation algorithms has been strongly recommended for …

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 …

A self-adaptive sampling digital image correlation algorithm for accurate displacement measurement

Y Yuan, J Huang, J Fang, F Yuan, C Xiong - Optics and Lasers in …, 2015 - Elsevier
Digital image correlation (DIC) is nowadays widely applied to many engineering areas as an
effective optical displacement measurement technique. To minimize the potential effect of …

Digital image correlation with self-adaptive Gaussian windows

J Huang, X Pan, X Peng, Y Yuan, C Xiong, J Fang… - Experimental …, 2013 - Springer
A novel subpixel registration algorithm with Gaussian windows is put forward for accurate
deformation measurement in digital image correlation technique. Based on speckle image …

Study on subset size selection in digital image correlation for speckle patterns

B Pan, H Xie, Z Wang, K Qian, Z Wang - Optics express, 2008 - opg.optica.org
Digital Image Correlation (DIC) is a flexible and effective technique to measure the
displacements on specimen surfaces by matching the reference subsets in the undeformed …

Application of an improved subpixel registration algorithm on digital speckle correlation measurement

J Zhang, G Jin, S Ma, L Meng - Optics & Laser Technology, 2003 - Elsevier
Digital speckle correlation method (DSCM) has been widely used in experimental
mechanics to obtain the surface deformation fields. One of the challenges in practical …

Performances of different subset shapes and control points in subset-based digital image correlation and their applications in boundary deformation measurement

R Zhu, H Xie, Z Hu, L Jiang, B Guo, C Li - Applied optics, 2015 - opg.optica.org
Digital image correlation (DIC) is an effective and popular tool for displacement and strain
measurements. In the standard subset-based algorithms, the center point of a subset is …