Digital image correlation based on a fast convolution strategy

Y Yuan, Q Zhan, C Xiong, J Huang - Optics and Lasers in Engineering, 2017 - Elsevier
… paper develops a set of fast convolution-based DIC algorithms for high-efficiency subpixel …
a nonlinear iterative scheme. With the help of the well-established fast convolution technique, …

Recursive-iterative digital image correlation based on salient features

Z Su, L Lu, X He, F Yang, D Zhang - Optical Engineering, 2020 - spiedigitallibrary.org
… Among them, the initial value transfer scheme based on the … The cross correlation based on
the fast Fourier transform is … Because of the high efficiency and robustness, it is widely used …

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
… [31], and Huang et al. proposed a recursive algorithm based on fast normalized cross …
And then, to achieve high-efficiency and high-accuracy interpolation, sub-pixel interpolation …

Real-time 3D digital image correlation for large deformation and rotation measurements based on a deformation transfer scheme

XX Shao, XY He - Experimental Mechanics, 2021 - Springer
… Compared to the global DIC method, subset-based DIC can be fast and is more suitable
for … , high-efficiency initial guess estimation is critical. Existing initial guess estimation …

Research on high-precision digital image correlation measurement techniques for highly stable structures

F Yang, B Pan - Applied Mathematics and Nonlinear Sciences - sciendo.com
digital image processing system that combines a diffraction-limited resolution (DLRF)-based
measurement technique … the rapid development of science and technology, digital image-…

Accelerating parallel digital image correlation computation with feature mesh interpolation

Y Chi, B Pan - Measurement, 2022 - Elsevier
… for extraction and matching increase rapidly, but the time for DIC analysis decreases due
to … computing, the parallel scheme can also be adopted to GPU (Graphics Processing Unit), …

[HTML][HTML] Fast and large-converge-radius inverse compositional Levenberg–Marquardt algorithm for digital image correlation: principle, validation, and open-source …

B Chen, E Jungstedt - Optics and Lasers in Engineering, 2022 - Elsevier
… , high efficiency, and uncompromising accuracycy. The FA-NR and IC-GN algorithms are
second-order convergent methods with a fast … , and the local coordinate system has its origin at …

Rotating Vibration Measurement Using 3D Digital Image Correlation

Y Wang, Z Gao, Z Fang, Y Su, Q Zhang - Experimental Mechanics, 2023 - Springer
scheme, three-dimensional Digital Image Correlation (3D DIC) combined with down-sampling
technology is employed. Two defects of this scheme hinder … by acquiring images faster; 2. …

High-speed technique based on a parallel projection correlation procedure for digital image correlation

DI Zaripov, L Renfu - Measurement Science and Technology, 2018 - iopscience.iop.org
high-efficiency digital image correlation methods based on a zero-normalized cross-correlation
(… accelerated in the case of an overlapped IW and ROI using a fast recursive scheme [11]. …

High-accuracy and real-time 3D positioning, tracking system for medical imaging applications based on 3D digital image correlation

Y Xue, T Cheng, X Xu, Z Gao, Q Li, X Liu… - Optics and Lasers in …, 2017 - Elsevier
… This paper presents a system for positioning markers and tracking the pose of a rigid object
… -time using 3D digital image correlation, with two examples for medical imaging applications. …