Spatial-temporal phase unwrap** algorithm for fringe projection profilometry
H An, Y Cao, H Wu, N Yang, C Xu, H Li - Optics express, 2021 - opg.optica.org
In this paper, a generalized spatial-temporal phase unwrap** algorithm (STPUA) is
proposed for extracting the absolute phase of the isolated objects with intricate surfaces …
proposed for extracting the absolute phase of the isolated objects with intricate surfaces …
Ultra-fast 3D imaging by a big codewords space division multiplexing binary coding
H Wu, Y Cao, Y Dai, H Zhang - Optics Letters, 2023 - opg.optica.org
Patternless binary coding strategies have been a challenge for ultra-fast 3D imaging with
structured light. This Letter proposes a big codewords space division multiplexing binary …
structured light. This Letter proposes a big codewords space division multiplexing binary …
Full-period fringe order correction method based on dual-threshold cellular automaton
H Wu, Y Cao, Y Dai, Z Wei, H Li - Optics & Laser Technology, 2024 - Elsevier
In traditional temporal phase unwrap** (TPU) methods, the fringe order is obtained pixel-
to-pixel by multi-frequencies or multi-wavelengths. The direct calculation and error non …
to-pixel by multi-frequencies or multi-wavelengths. The direct calculation and error non …
Real-time 3D measurement based on dual-frequency hierarchical and time-interleaved fringe projection
Z Wei, Y Cao, C Li - IEEE Transactions on Instrumentation and …, 2024 - ieeexplore.ieee.org
Real-time 3-D measurement is valued for its practicality. However, achieving high
algorithmic robustness and high reconstructing efficiency simultaneously remains a …
algorithmic robustness and high reconstructing efficiency simultaneously remains a …
Dynamic 3D measurement based on temporal fringe order recognition
H Wu, Y Cao, Y Dai, H Li - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Efficient and robust fringe order recognition is an important topic in 3-D measurement. In this
article, a novel dynamic 3-D measurement method based on temporal fringe order …
article, a novel dynamic 3-D measurement method based on temporal fringe order …
Efficient intensity-based fringe projection profilometry method resistant to global illumination
Recent Progress of Full-Field Three-Dimensional Shape Measurement Based on Phase Information
Y Bai, Z Zhang, S Fu, H Zhao, Y Ni, N Gao… - Nanomanufacturing and …, 2024 - Springer
Abstract Full-field three-dimensional (3D) measurement technology based on phase
information has become an indispensable part of geometric dimension measurement in …
information has become an indispensable part of geometric dimension measurement in …
Three-dimensional shape measurement based on spatial-temporal binary-coding method
B Cai, L Liu, J Wu, X Chen, Y Wang - Measurement Science and …, 2021 - iopscience.iop.org
Binary coding methods have been widely used for three-dimensional (3D) shape
measurement. However, traditional binary coding methods always require a sequence of …
measurement. However, traditional binary coding methods always require a sequence of …
Three-dimensional measurement method based on a three-step phase-shifting fringe and a binary fringe
L Wang, W Wang, X Wang, X Wang - Applied Optics, 2022 - opg.optica.org
Gray-code plus phase-shifting is currently a commonly used method for structured light three-
dimensional (3D) measurement that is able to measure complex surfaces. However, the …
dimensional (3D) measurement that is able to measure complex surfaces. However, the …