Proceedings Paper
Linear algebra approach to phase shifting interferometry: numerical methods| Format | Member Price | Non-Member Price |
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Paper Abstract
We model a set of Phase-Shifting Interferogram (PSI) images in a new and versatile way that allows exploring
interesting numerical approaches for the analysis of PSI. We show how this representation can be used to recover
the modulating phase if the phase steps are known, and we also show how it can be used as the baseline for an
iterative algorithm. For the case in which the phase steps are known we compare against the four step algorithm.
For the case of unknown phase steps, we compare against the Principal Component Analysis (PCA) and the
Advanced Iterative Algorithm (AIA).
Paper Details
Date Published: 3 September 2019
PDF: 5 pages
Proc. SPIE 11102, Applied Optical Metrology III, 111020M (3 September 2019); doi: 10.1117/12.2530125
Published in SPIE Proceedings Vol. 11102:
Applied Optical Metrology III
Erik Novak; James D. Trolinger, Editor(s)
PDF: 5 pages
Proc. SPIE 11102, Applied Optical Metrology III, 111020M (3 September 2019); doi: 10.1117/12.2530125
Show Author Affiliations
Marco A. Escobar, Univ. De La Salle Bajío (Mexico)
Julio C. Estrada, Ctr. de Investigación en Matemáticas, A.C. (Mexico)
Julio C. Estrada, Ctr. de Investigación en Matemáticas, A.C. (Mexico)
Javier Vargas, McGill Univ. (Canada)
Published in SPIE Proceedings Vol. 11102:
Applied Optical Metrology III
Erik Novak; James D. Trolinger, Editor(s)
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