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Dynamic Speckle Analysis using Multivariate Techniques

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López Alonso, José Manuel and Alda, Javier and Rabal, Héctor and Grumel, Eduardo and Trivi, Marcelo (2015) Dynamic Speckle Analysis using Multivariate Techniques. Journal of Optics, 17 (3). 035609. ISSN 2040-8986

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Official URL: http://iopscience.iop.org/2040-8986/17/3/035609/



Abstract

In this work we use principal components analysis to characterize dynamic speckle patterns. This analysis quantitatively identifies different dynamics that could be associated to physical phenomena occurring in the sample. We also found the contribution explained by each principal component, or by a group of them. The method analyzes the paint drying process over a hidden topography. It can be used for fast screening and identification of different dynamics in biological or industrial samples by means of dynamic speckle interferometry.


Item Type:Article
Uncontrolled Keywords:Dynamic speckle, Metrology, Image processing, Instrumentation
Palabras clave (otros idiomas):Speckle dinámico, Metrología, Procesado de imágenes
Subjects:Sciences > Physics > Optics
ID Code:29251
Deposited On:07 Apr 2015 08:03
Last Modified:07 Apr 2015 08:03

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