Some practical considerations in fringe projection profilometry

Z Wang, DA Nguyen, JC Barnes - Optics and Lasers in Engineering, 2010 - Elsevier
As technologies evolve, there have been high demands for the three-dimensional (3D)
shape measurement techniques to posses the following combined technical features: high …

A DIC-assisted fringe projection profilometry for high-speed 3D shape, displacement and deformation measurement of textured surfaces

Z Wu, W Guo, B Pan, Q Kemao, Q Zhang - Optics and Lasers in …, 2021 - Elsevier
Abstract High-speed three-dimensional (3D) shape measurement techniques based on
fringe projection profilometry (FPP) have undergone huge advances over the past two …

Path-independent phase unwrap** using phase gradient and total-variation (TV) denoising

HYH Huang, L Tian, Z Zhang, Y Liu, Z Chen… - Optics express, 2012 - opg.optica.org
Phase unwrap** is a challenging task for interferometry based techniques in the presence
of noise. The majority of existing phase unwrap** techniques are path-following methods …

Simultaneous in-and-out-of-plane displacement measurements using fringe projection and digital image correlation

L Felipe-Sese, P Siegmann, FA Diaz… - Optics and Lasers in …, 2014 - Elsevier
The combination of fringe projection (FP) and two-dimensional digital image correlation (2D–
DIC) has been proposed in previous work [1] as an alternative method to obtain …

Three-dimensional shape measurement with a fast and accurate approach

Z Wang, H Du, S Park, H **e - Applied optics, 2009 - opg.optica.org
A noncontact, fast, accurate, low-cost, broad-range, full-field, easy-to-implement three-
dimensional (3D) shape measurement technique is presented. The technique is based on a …

Shape and deformation measurement system by combining fringe projection and digital image correlation

H Shi, H Ji, G Yang, X He - Optics and Lasers in Engineering, 2013 - Elsevier
An optical measurement system, which is capable of simultaneously measuring surface
profile and three-dimensional (3-D) deformation of small objects, has been developed by the …

Multi-dimensional information sensing of complex surfaces based on fringe projection profilometry

Z Chen, X Li, H Wang, Z Chen, Q Zhang, Z Wu - Optics Express, 2023 - opg.optica.org
Multi-dimensional and high-resolution information sensing of complex surface profiles is
critical for investigating various structures and analyzing their mechanical properties. This …

Full-field three-dimensional measurement method

P Jia, JD Kofman, C English - US Patent 7,545,516, 2009 - Google Patents
A method and system for full-field fringe-projection for 3-D surface-geometry measurement,
referred to as “triangular-pattern phase-shifting” is disclosed. A triangular grey-scale-level …

Out-of-plane shape determination in generalized fringe projection profilometry

Z Wang, H Du, H Bi - Optics Express, 2006 - opg.optica.org
The out-of-plane shape determination in a generalized fringe projection profilometry is
presented. The proposed technique corrects the problems in existing approaches, and it can …

Three-Dimensional Shape and Deformation Measurements Based on Fringe Projection Profilometry and Fluorescent Digital Image Correlation via a 3 Charge …

W Sun, Z Xu, X Li, Z Chen, X Tang - Sensors, 2023 - mdpi.com
We propose a novel hybrid FPP-DIC technique to measure an object's shape and
deformation in 3D simultaneously by using a single 3CCD color camera, which captures the …