High-efficiency dynamic three-dimensional shape measurement based on misaligned Gray-code light

L Lu, Z Wu, Q Zhang, C Chen, Y Li, F Li - Optics and Lasers in Engineering, 2022 - Elsevier
The combination of Gray-code method with phase-shifting algorithm has been widely used
in three-dimensional (3D) shape measurement. However, the non-uniform surface …

High-speed three-dimensional shape measurement based on shifting Gray-code light

Z Wu, W Guo, Q Zhang - Optics express, 2019 - opg.optica.org
The measuring technique combining a phase-shifting algorithm and Gray-code light has
been widely used in three-dimensional (3D) shape measurement for static scenes because …

[PDF][PDF] Enhanced Gray-code method for three-dimensional shape measurement

L Lu, X Dongdong, C Lei, W Yuwei, C Bolin… - 红外与激光工程, 2020 - researching.cn
Conventional Gray-code (GC) plus phase-shifting methods have been extensively utilized
for threedimensional(3D) shape measurements. Nevertheless, how to achieve fast and …

High-speed three-dimensional shape measurement based on cyclic complementary Gray-code light

Z Wu, C Zuo, W Guo, T Tao, Q Zhang - Optics express, 2019 - opg.optica.org
The binary defocusing technique has been widely used in high-speed three-dimensional
(3D) shape measurement because it breaks the bottlenecks in high-speed fringe projection …

High-speed and high-efficiency three-dimensional shape measurement based on Gray-coded light

Z Wu, W Guo, Y Li, Y Liu, Q Zhang - Photonics Research, 2020 - opg.optica.org
Fringe projection profilometry has been increasingly sought and applied in dynamic three-
dimensional (3D) shape measurement. In this work, a robust, high-efficiency 3D …

A fast three-dimensional shape measurement method based on color phase coding

B Li, Y Fu, J Zhang, H Wu, G Xia, G Jiang - Optik, 2016 - Elsevier
Gray code plus phase-shifting method embed the codeword into intensity to reconstruct
complex three-dimensional shape. Owing to surface reflectivity and noise, it is less robust for …

Unequal-period combination approach of gray code and phase-shifting for 3-D visual measurement

S Yu, J Zhang, X Yu, X Sun, H Wu - Optics Communications, 2016 - Elsevier
Combination of Gray code and phase-shifting is the most practical and advanced approach
for the structured light 3-D measurement so far, which is able to measure objects with …

High-efficiency 3D shape measurement based on redesigned Gray code and aligned phase unwrapping method

Y Wang, Z Tang, T Tang, J Chen, X Shi, S Lv, Y Liu - Optik, 2022 - Elsevier
In Gray-code assisted phase-shifting algorithm, jump errors seriously influence the
measurement accuracy, which is commonly solved by projecting more patterns …

3-D shape measurement based on complementary Gray-code light

Q Zhang, X Su, L Xiang, X Sun - Optics and Lasers in Engineering, 2012 - Elsevier
A combination of phase-shift with Gray-code light projection into a three-dimensional (3-D)
measurement system has been exploited to digitalize 3-D shape information of a tested …

Enhanced phase-coding method for three-dimensional shape measurement with half-period codeword

Y Wang, L Liu, J Wu, X Chen, Y Wang - Applied optics, 2019 - opg.optica.org
The phase-coding method has been widely used for 3D shape measurement, which uses
sinusoidal phase-shifting patterns to recover the wrapped phase and the stair phase-coding …