Accelerating parallel digital image correlation computation with feature mesh interpolation

Y Chi, B Pan - Measurement, 2022 - Elsevier
Parallel digital image correlation (DIC) computation has been increasingly used in DIC
community due to the growing requirement on real-time deformation monitoring. In existing …

Accelerate multi-thread path-dependent digital image correlation by minimizing thread competition for real-time deformation measurement

J Shuai, J Zhao, L Lei, P Zeng, X Wu, L Sun - Optics and Lasers in …, 2018 - Elsevier
With the increasing demands on the real-time measurement using digital image correlation
(DIC), the fast and ultra-fast computation are attracting much more attention from academic …

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 …

Digital image correlation with improved efficiency by pixel selection

X Shao, F Zhong, W Huang, X Dai, Z Chen, X He - Applied optics, 2020 - opg.optica.org
With the increase in digital image correlation (DIC) applications, the computational efficiency
of DIC is becoming increasingly important. In previous studies, real-time DIC was realized …

Recursive-iterative digital image correlation based on salient features

Z Su, L Lu, X He, F Yang, D Zhang - Optical Engineering, 2020 - spiedigitallibrary.org
Measuring surface deformation of objects with natural patterns using digital image
correlation (DIC) is difficult due to the challenges of the pattern quality and discriminative …

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 …

Improving Deep Learning-Based Digital Image Correlation with Domain Decomposition Method

Y Chi, Y Liu, B Pan - Experimental Mechanics, 2024 - Springer
Background Deep learning-based digital image correlation (DL-based DIC) has gained
increasing attention in the last two years. However, existing DL-based DIC algorithms are …

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 …

Automatic ROI recognition and parameters selection for digital image correlation in measuring structures with complex shapes

X Cheng, T Xing, S Zhou, C Sun, S Ma… - Measurement Science …, 2023 - iopscience.iop.org
For the digital image correlation (DIC) method, the measurement of specimens with complex
shapes may encounter difficulties due to the time-consuming recognition of region of interest …

Unified digital image correlation under meshfree framework

B Chen, S Coppieters - Strain, 2024 - Wiley Online Library
The implementation of digital image correlation (DIC) involves several different problems,
such as image prefiltering, image intensity gradient calculation, image intensity interpolation …