Fringe analysis

Y Surrel - Photomechanics, 2000 - Springer
Fringe analysis is the process of extracting quantitative measurement data from fringe—or
line—patterns. It usually consists of phase detection and phase unwrapping. Phase …

Phase-evaluation methods in whole-field optical measurement techniques

BV Dorrío, JL Fernández - Measurement Science and …, 1999 - iopscience.iop.org
Many optical measurement techniques provide fringe patterns as their results. The
decodification processes that employ one or several fringe patterns to automatically retrieve …

Fast two-dimensional phase-unwrapping algorithm based on sorting by reliability following a noncontinuous path

MA Herráez, DR Burton, MJ Lalor, MA Gdeisat - Applied optics, 2002 - opg.optica.org
We describe what is to our knowledge a novel technique for phase unwrapping. Several
algorithms based on unwrapping the most-reliable pixels first have been proposed. These …

Automated fringe pattern analysis in experimental mechanics: a review

JM Huntley - The Journal of Strain Analysis for Engineering …, 1998 - journals.sagepub.com
The paper reviews the main numerical techniques that have been developed to carry out
fully automated analysis of fringe patterns resulting from solid mechanics experiments …

Automated phase unwrapping in digital holography with deep learning

S Park, Y Kim, I Moon - Biomedical Optics Express, 2021 - opg.optica.org
Digital holography can provide quantitative phase images related to the morphology and
content of biological samples. After the numerical image reconstruction, the phase values …

A review of optical errors and available applications of deflectometry technique in solar thermal power applications

M El Ydrissi, H Ghennioui, A Farid - Renewable and Sustainable Energy …, 2019 - Elsevier
The solar collectors represent a considerable part of the concentrated solar power plants, as
their shape and quality determine the level of concentration focused on the receiver …

[PDF][PDF] Industrial applications of speckle techniques

W An - 2002 - diva-portal.org
Modern industry needs quick and reliable measurement methods for measuring
deformation, position, shape, roughness, etc. This thesis is mainly concerned with industrial …

3D mapping of buried underworld infrastructure using dynamic Bayesian network based multi-sensory image data fusion

R Dutta, AG Cohn, JM Muggleton - Journal of Applied Geophysics, 2013 - Elsevier
The successful operation of buried infrastructure within urban environments is fundamental
to the conservation of modern living standards. In this paper a novel multi-sensor image …

Robust, fast, and effective two-dimensional automatic phase unwrapping algorithm based on image decomposition

MA Herráez, MA Gdeisat, DR Burton, MJ Lalor - Applied Optics, 2002 - opg.optica.org
We describe what is to our knowledge a novel approach to phase unwrapping. Using the
principle of unwrapping following areas with similar phase values (homogenous areas), the …

Phase-shifting speckle interferometry: a noise reduction filter for phase unwrapping

A Capanni, L Pezzati, D Bertani, M Cetica… - Optical …, 1997 - spiedigitallibrary.org
We present a noise reduction filter for the phase unwrapping of data from phase-shifting
speckle pattern interferometry. This filter is effective in reducing the noise in wrapped phase …