Label enhanced and patch based deep learning for phase retrieval from single frame fringe pattern in fringe projection 3D measurement

J Shi, X Zhu, H Wang, L Song, Q Guo - Optics express, 2019 - opg.optica.org
We propose a label enhanced and patch based deep learning phase retrieval approach
which can achieve fast and accurate phase retrieval using only several fringe patterns as …

Shearlet transform for phase extraction in fringe projection profilometry with edges discontinuity

B Li, C Tang, X Zhu, Y Su, W Xu - Optics and Lasers in Engineering, 2016 - Elsevier
A new method based on the shearlet transform is presented for phase extraction in fringe
projection profilometry (FPP) from a single fringe pattern. We apply the advanced shearlet …

Super-resolution phase retrieval network for single-pattern structured light 3D imaging

J Song, K Liu, A Sowmya, C Sun - IEEE Transactions on Image …, 2022 - ieeexplore.ieee.org
Structured light 3D imaging is often used for obtaining accurate 3D information via phase
retrieval. Single-pattern structured light 3D imaging is much faster than multi-pattern …

Multi-frequency inverse-phase fringe projection profilometry for nonlinear phase error compensation

Z Lei, C Wang, C Zhou - Optics and Lasers in Engineering, 2015 - Elsevier
A new multi-frequency inverse-phase method was proposed to compensate for nonlinear
phase errors in fringe projection profilometry and to measure the three-dimensional shape of …

Variational Hilbert quantitative phase imaging

M Trusiak, M Cywińska, V Micó, JÁ Picazo-Bueno… - Scientific Reports, 2020 - nature.com
Utilizing the refractive index as the endogenous contrast agent to noninvasively study
transparent cells is a working principle of emerging quantitative phase imaging (QPI). In this …

Single shot fringe pattern phase demodulation using Hilbert-Huang transform aided by the principal component analysis

M Trusiak, Ł Służewski, K Patorski - Optics Express, 2016 - opg.optica.org
Hybrid single shot algorithm for accurate phase demodulation of complex fringe patterns is
proposed. It employs empirical mode decomposition based adaptive fringe pattern …

Two-shot fringe pattern phase-amplitude demodulation using Gram-Schmidt orthonormalization with Hilbert-Huang pre-filtering

M Trusiak, K Patorski - Optics express, 2015 - opg.optica.org
Gram-Schmidt orthonormalization is a very fast and efficient method for the fringe pattern
phase demodulation. It requires only two arbitrarily phase-shifted frames. Images are treated …

Automatized fringe pattern preprocessing using unsupervised variational image decomposition

M Cywińska, M Trusiak, K Patorski - Optics express, 2019 - opg.optica.org
Successful single-frame fringe pattern preprocessing comprising high-frequency noise
minimization and low-frequency background removal represents often the crucial step of the …

Hformer: Hybrid convolutional neural network transformer network for fringe order prediction in phase unwrapping of fringe projection

X Zhu, Z Han, M Yuan, Q Guo, H Wang… - Optical …, 2022 - spiedigitallibrary.org
Deep learning based on convolutional neural network (CNN) has attracted more and more
attention in phase unwrapping of fringe projection three-dimensional (3D) measurement …

Triple-output phase unwrapping network with a physical prior in fringe projection profilometry

X Zhu, H Zhao, L Song, H Wang, Q Guo - Applied Optics, 2023 - opg.optica.org
Deep learning has been attracting more and more attention in the phase unwrapping of
fringe projection profilometry (FPP) in recent years. In order to improve the accuracy of the …