State-of-the-art active optical techniques for three-dimensional surface metrology: a review

AG Marrugo, F Gao, S Zhang - JOSA A, 2020 - opg.optica.org
This paper reviews recent developments of non-contact three-dimensional (3D) surface
metrology using an active structured optical probe. We focus primarily on those active non …

A survey of marker-less tracking and registration techniques for health & environmental applications to augmented reality and ubiquitous geospatial information …

A Sadeghi-Niaraki, SM Choi - Sensors, 2020 - mdpi.com
Most existing augmented reality (AR) applications are suitable for cases in which only a
small number of real world entities are involved, such as superimposing a character on a …

Accurate dynamic 3d sensing with fourier-assisted phase shifting

P Cong, Z Xiong, Y Zhang, S Zhao… - IEEE Journal of Selected …, 2014 - ieeexplore.ieee.org
Phase shifting profilometry (PSP) and Fourier transform profilometry (FTP) are two well-
known fringe analysis methods for 3D sensing. PSP offers high accuracy but requires …

Large depth-of-field 3D shape measurement using an electrically tunable lens

X Hu, G Wang, Y Zhang, H Yang, S Zhang - Optics express, 2019 - opg.optica.org
The state-of-the-art 3D shape measurement system has rather shallow working volume due
to the limited depth-of-field (DOF) of conventional lens. In this paper, we propose to use the …

Large depth-of-field 3D measurement with a microscopic structured-light system

Y Liu, Y Fu, Y Zhuan, P Zhou, K Zhong, B Guan - Optics Communications, 2021 - Elsevier
Fringe projection techniques have been widely used in three-dimensional (3D) microscopic
measurement; however, the working volume is severely restricted due to the shallow depth …

Autofocusing method for a digital fringe projection system with dual projectors

M Zhong, X Hu, F Chen, C Xiao, D Peng, S Zhang - Optics express, 2020 - opg.optica.org
This paper presents a novel technique to achieve autofocusing for a three-dimensional (3D)
profilometry system with dual projectors. The proposed system uses a camera that is …

Self-distilled depth from single-shot structured light with intensity reconstruction

Y Li, J Peng, Y Zhang, Z Xiong - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Depth from structured light (SL) is a mainstream approach for 3D acquisition. In this article,
we propose a unique depth reconstruction method for single-shot SL systems, which …

Physics-based learning: Adaptive structured light for active stereo depth estimation

T Jia, X Yang, Y Liu, X Li, D Chen, S Deng… - Optics and Lasers in …, 2024 - Elsevier
Active stereo systems based on structured light are widely used for 3D vision in various
applications, which project specially designed patterns onto object surfaces to encode each …

AdaptiveStereo: Depth estimation from adaptive structured light

T Jia, X Li, X Yang, S Lin, Y Liu, D Chen - Optics & Laser Technology, 2024 - Elsevier
Recovering depth with active stereo methods has become an important approach to three-
dimensional perception. However, when the properties of the measurement scene change …

[HTML][HTML] Guided, fusion-based, large depth-of-field 3d imaging using a focal stack

Y Xiao, G Wang, X Hu, C Shi, L Meng, H Yang - Sensors, 2019 - mdpi.com
Three dimensional (3D) imaging technology has been widely used for many applications,
such as human–computer interactions, making industrial measurements, and dealing with …