An accurate and robust strain field smoothing method based on polynomial fitting and anisotropic diffusion in digital image correlation

Z Wang, P Zhu, L Liu, X Zhou - Measurement, 2024 - Elsevier
Abstract Digital Image Correlation (DIC) is a popular optical measurement method.
However, the accuracy of strain values obtained by DIC may be adversely affected by …

[HTML][HTML] Microscopic three-dimensional measurement based on telecentric stereo and speckle projection methods

K Chen, T Shi, Q Liu, Z Tang, G Liao - Sensors, 2018 - mdpi.com
Three-dimensional (3D) measurement of microstructures has become increasingly
important, and many microscopic measurement methods have been developed. For the …

[HTML][HTML] Special issue on visual sensors

O Reinoso, L Payá - Sensors, 2020 - mdpi.com
Visual sensors have characteristics that make them interesting as sources of information for
any process or system. On the one hand, they are able to capture a very precise and high …

Error suppression for speckle correlation-based 3D shape measurement via dynamic shape function selection

X Yang, X Chen, J Xi - Optics Communications, 2022 - Elsevier
Speckle correlation-based 3D shape measurement technology has an increasing number of
applications in the fields of medical assistance, cultural relic protection, product …

[HTML][HTML] Mobile Robot Localization and Mapping Algorithm Based on the Fusion of Image and Laser Point Cloud

J Dai, D Li, Y Li, J Zhao, W Li, G Liu - Sensors, 2022 - mdpi.com
Given the lack of scale information of the image features detected by the visual SLAM
(simultaneous localization and mapping) algorithm, the accumulation of many features …

Laser-speckle-projection-based handheld anthropometric measurement system with synchronous redundancy reduction

X Yang, X Chen, G Zhai, J Xi - Applied Optics, 2020 - opg.optica.org
Human body measurement is essential in modern rehabilitation medicine, which can be
effectively combined with the technology of additive manufacturing. Digital image correlation …

A weak-form method for strain field calculation with digital image correlation

L Dong, Q Yang, J Wang - Optics and Lasers in Engineering, 2019 - Elsevier
In digital image correlation (DIC), iterative spatial-domain cross-correlation algorithms have
been routinely used to extract displacement fields from the recorded images. Then, strain …

The Modeling of PMSM During Dynamic Brake

EI Fomin, KS Dolotov… - 2023 International Ural …, 2023 - ieeexplore.ieee.org
Emergency braking of robotic systems operating alongside humans (cobots) is an important
element of their operation in terms of safety during production and convenience in working …

Time-space Domain Elimination Method of High-Temperature Thermal Disturbance Test Error

Q Lou, J Lv, L Wen, J Xiao - Journal of Physics: Conference …, 2022 - iopscience.iop.org
The digital image correlation (DIC) test method has been widely used in structural
deformation measurement due to its non-contact and full-field. However, eliminating the …