Isotropic n-dimensional fringe pattern normalization

Fringe pattern normalization consists in the background suppression and modulation normalization of a given fringe pattern, this process gives as a result a pure sinusoidal phase modulated signal. Normalization is an important operation in the demodulation of the phase from a single fringe pattern w...

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Bibliographic Details
Published inOptics communications Vol. 224; no. 4; pp. 221 - 227
Main Authors Antonio Quiroga, Juan, Servin, Manuel
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 01.09.2003
Elsevier Science
Subjects
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Imaging and optical processing
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Interferometers
Optical instruments, equipment and techniques
Optics
Physics
Theoretical study
Light interferometry
Photoelasticity
Interference fringe
Image processing
Phase demodulation
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Summary:Fringe pattern normalization consists in the background suppression and modulation normalization of a given fringe pattern, this process gives as a result a pure sinusoidal phase modulated signal. Normalization is an important operation in the demodulation of the phase from a single fringe pattern where spatially varying background and/or modulation act as error sources. The solution proposed is a direct and isotropic operator, based on the application of an n-dimensional quadrature transform. We have applied the method to simulated as well as experimental data with good results.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2003.07.014