In situ monitoring of additive manufacturing using digital image correlation: A review

FG Cunha, TG Santos, J Xavier - Materials, 2021 - mdpi.com
This paper is a critical review of in situ full-field measurements provided by digital image
correlation (DIC) for inspecting and enhancing additive manufacturing (AM) processes. The …

Glare: A free and open-source software for generation and assessment of digital speckle pattern

Y Su, Q Zhang - Optics and Lasers in Engineering, 2022 - Elsevier
Generating digital speckle image and its corresponding deformed image is the basis of
digital image correlation research. At present, however, it still lacks a powerful, easy-to-use …

Quality assessment of speckle patterns for DIC by consideration of both systematic errors and random errors

Y Su, Q Zhang, X Xu, Z Gao - Optics and Lasers in Engineering, 2016 - Elsevier
The performance of digital image correlation (DIC) is influenced by the quality of speckle
patterns significantly. Thus, it is crucial to present a valid and practical method to assess the …

Strain field measurements over 3000 C using 3D-Digital image correlation

Z Pan, S Huang, Y Su, M Qiao, Q Zhang - Optics and Lasers in Engineering, 2020 - Elsevier
With the development of aerospace and fusion engineering, understanding the mechanical
behavior of materials under high-temperature conditions has become increasingly …

Optimized digital speckle patterns for digital image correlation by consideration of both accuracy and efficiency

Z Chen, X Shao, X Xu, X He - Applied optics, 2018 - opg.optica.org
The technique of digital image correlation (DIC), which has been widely used for noncontact
deformation measurements in both the scientific and engineering fields, is greatly affected …

Bicubic interpolation and extrapolation iteration method for high resolution digital holographic reconstruction

Z Huang, L Cao - Optics and Lasers in Engineering, 2020 - Elsevier
Digital holography enables the digitization processing of holograms. The resolution of the
reconstructed image is greatly limited by the pixelated imaging detectors. To improve the …

A critical comparison of some metrological parameters characterizing local digital image correlation and grid method

M Grédiac, B Blaysat, F Sur - Experimental Mechanics, 2017 - Springer
The main metrological performance of two full-field measurement techniques, namely local
digital image correlation (DIC) and grid method (GM), are compared in this paper. The …

Theoretical estimation of systematic errors in local deformation measurements using digital image correlation

X Xu, Y Su, Q Zhang - Optics and Lasers in Engineering, 2017 - Elsevier
The measurement accuracy using the digital image correlation (DIC) method in local
deformations such as the Portevin–Le Chatelier bands, the deformations near the gap, and …

Stereo camera calibration for large field of view digital image correlation using zoom lens

Z Gao, Y Gao, Y Su, Y Liu, Z Fang, Y Wang, Q Zhang - Measurement, 2021 - Elsevier
We propose a calibration method for stereo camera with a large field of view (FOV) using
zoom lenses. We adopted Magill's formula, using intrinsic parameters with small object …

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
with 6 degrees of freedom in real-time using 3D digital image correlation, with two examples …