Noise-induced phase error comparison in multi-frequency phase-shifting profilometry based on few fringes

J Wang, Y Yang, P Xu, J Liu - Optics & Laser Technology, 2023 - Elsevier
For fringe projection profilometry (FPP), the combination of phase-shifting profilometry (PSP)
and multi-frequency temporal phase unwrapping (MFTPU) is a phase extraction scheme …

A new multiplexed system for the simultaneous measurement of out-of-plane deformation and its first derivative

QH Zhao, X Zhang, SL Wu, HQ Wang, PZ Yan… - Optics …, 2021 - Elsevier
A new multiplexed system based on double imaging Mach–Zehnder interferometry is
proposed in this study for the simultaneous measurement of out-of-plane deformation and its …

High dynamic range 3D measurement based on the Butterworth low-pass filter and Hilbert transform

J Wang, Y Yang - Journal of the Optical Society of America B, 2023 - opg.optica.org
Due to the limited dynamic range of the camera, a measured object with non-Lambert
reflection saturates the fringe pattern, which will lead to three-dimensional (3D) …

New multiplexed system for synchronous measurement of out-of-plane deformation and two orthogonal slopes

Y Wang, X Zhang, Q Zhao, Y Yao, P Yan… - Chinese Physics …, 2022 - iopscience.iop.org
We propose a novel system for synchronous measurement of out-of-plane deformation and
two orthogonal slopes using a single camera. The linearly polarized reference beam …

面向结构光三维测量的相位展开技术综述(特邀)

Z Zhang, Y Li, F Gao, N Gao, Z Meng… - Hongwai yu Jiguang …, 2023 - pure.hud.ac.uk
Significance Structured light three-dimensional (3D) shape measurement methods are
increasingly used in reverse engineering, aerospace, biomedicine, cultural relics protection …

Quality-guided mask cut method for phase unwrapping

M Dong, J Ma, C Xu, J Ling - International Conference on …, 2023 - spiedigitallibrary.org
The phase unwrapping method is the important step of phase retrieval in fringe projection
profilometry. Although the mask cut (MC) algorithm has been successfully applied in multiple …

An Improved Phase Unwrapping Method Based on Geometric Constraints

L Yang, P Ya - Advances in Precision Instruments and Optical …, 2022 - Springer
In the field of three-dimensional measurement of structured light, the phase unwrapping
method based on geometric constraints has the characteristics of high precision. This …