Novel visual crack width measurement based on backbone double-scale features for improved detection automation

Y Tang, Z Huang, Z Chen, M Chen, H Zhou… - Engineering …, 2023 - Elsevier
State-of-the-art machine-vision systems have limitations associated with crack width
measurements. The sample points used to describe the crack width are often subjectively …

Full-field measurement and fracture and fatigue characterizations of asphalt concrete based on the SCB test and stereo-DIC

F Yuan, L Cheng, X Shao, Z Dong, L Zhang… - Engineering fracture …, 2020 - Elsevier
This study investigated the full-field displacement and strain fields of asphalt concrete under
semi-circular bending (SCB) through the stereo-digital image correlation (stereo-DIC) …

Simultaneous measurement of external and internal surface shape and deformation based on photogrammetry and stereo-DIC

M Ye, J Liang, L Li, Y Zong, J Guo, Z Tang, S Ma… - Optics and Lasers in …, 2022 - Elsevier
Mechanical structures with cavities such as auto rim and aero-engine casing are widely
used in engineering. It is of great significance for their dynamic performance evaluation if …

Tunnel contour detection during construction based on digital image correlation

Z Gao, F Li, Y Liu, T Cheng, Y Su, Z Fang… - Optics and lasers in …, 2020 - Elsevier
During the tunnel construction process, contours of primary supports and secondary linings
of the tunnel need to be tested to ensure that their quality meets the designed requirements …

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
Background With the recent increase in digital image correlation (DIC) applications, it is
important to improve the computational efficiency of DIC and realize the closed loop control …

[HTML][HTML] A novel indirect optical method for rock stress measurement using micro-deformation field analysis

Y Feng, PZ Pan, Z Wang, X Liu, S Miao - Journal of Rock Mechanics and …, 2024 - Elsevier
Stress measurement plays a crucial role in geomechanics and rock engineering, especially
for the design and construction of large-scale rock projects. This paper presents a novel …

[HTML][HTML] Evaluation of field applicability of high-Speed 3D digital image correlation for shock vibration measurement in underground mining

S Seo, Y Ko, M Chung - Remote Sensing, 2022 - mdpi.com
When combined with high-speed photography technology, the digital image correlation
(DIC) method provides an excellent photographic image processing capability that can be …

Optimization of multiscale digital speckle patterns for multiscale deformation measurement using stereo-digital image correlation

Z Chen, X Shao, W Sun, J Zhao, X He - Applied Optics, 2021 - opg.optica.org
Simultaneous monitoring of multiple fields of view (FOVs) by multiscale stereo-digital image
correlation (stereo-DIC) can quantify the deformation of a material when localized …

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<? TeX\nobreak?> becoming increasingly important. In previous studies, real-time …

Full-field deformation measurement of 2D-DIC based on virtual camera array in small field of view

S Gao, T Chen, Y Cui, T Wang, L Chen… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
In a small field of view, 2-D digital image correlation (2D-DIC) is limited by the size of the
field of view, making it difficult to achieve large-scale deformation measurement with one …