Spatial and temporal carrier fringe pattern demodulation using the one-dimensional continuous wavelet transform: recent progress, challenges, and suggested …

MA Gdeisat, A Abid, DR Burton, MJ Lalor… - Optics and Lasers in …, 2009 - Elsevier
This paper presents a thorough discussion on the application of the one-dimensional
continuous wavelet transform (1D-CWT) in order to retrieve phase information in temporally …

Spatial carrier fringe pattern demodulation by use of a two-dimensional continuous wavelet transform

MA Gdeisat, DR Burton, MJ Lalor - Applied optics, 2006 - opg.optica.org
A novel technique that uses a fan two-dimensional (2D) continuous wavelet transform (CWT)
to phase demodulate fringe patterns is proposed. The fan 2D CWT algorithm is tested by …

Eliminating the zero spectrum in Fourier transform profilometry using a two-dimensional continuous wavelet transform

MA Gdeisat, DR Burton, MJ Lalor - Optics Communications, 2006 - Elsevier
In this paper, a filtering technique based upon two-dimensional continuous wavelet
transform (2D-CWT) is used to eliminate the low frequency components of fringe patterns …

Research on long-range grating interferometry with nanometer resolution

X Chu, H Lü, S Zhao - Measurement Science and Technology, 2007 - iopscience.iop.org
Grating interferometry that features long range and nanometer resolution is presented. The
optical system was established based on a single long metrology grating. The large fringe …

White-light interferometry with reference signal

J Schmit, AG Olszak… - … XI: Techniques and …, 2002 - spiedigitallibrary.org
White light interferometer (WLI) has become a common tool for measuring surfaces with
large height range and/or roughness. Typically, the object is scanned through focus, thus …

Pattern projection profilometry for 3D coordinates measurement of dynamic scenes

E Stoykova, J Harizanova, V Sainov - Three-dimensional television …, 2008 - Springer
Three-dimensional time-varying scene capture is a key component of dynamic 3D displays.
Fast remote non-destructive parallel acquisition of information being inherent property of …

Fringe pattern demodulation with a two-dimensional digital phase-locked loop algorithm

MA Gdeisat, DR Burton, MJ Lalor - Applied optics, 2002 - opg.optica.org
A novel technique called a two-dimensional digital phase-locked loop (DPLL) for fringe
pattern demodulation is presented. This algorithm is more suitable for demodulation of fringe …

Second-and first-order phase-locked loops in fringe profilometry and application of neural networks for phase-to-depth conversion

D Ganotra, J Joseph, K Singh - Optics communications, 2003 - Elsevier
Second-and first-order phase-locked loops (PLLs) are applied to recover phase information
from projected fringes recorded experimentally. The phase recovery is studied in terms of …

Path independent demodulation method for single image interferograms with closed fringes within the function space C2

JC Estrada, M Servín, JA Quiroga, JL Marroquín - Optics Express, 2006 - opg.optica.org
In the last few years, works have been published about demodulating Single Fringe Pattern
Images (SFPI) with closed fringes. The two best known methods are the regularized phase …

Fringe-pattern demodulation using an iterative linear digital phase locked loop algorithm

MA Gdeisat, DR Burton, MJ Lalor - Optics and lasers in engineering, 2005 - Elsevier
A novel technique called an iterative linear digital phase locked loop (DPLL) for fringe-
pattern demodulation is presented. The proposed technique has better noise immunity than …