Performance of intensity-based non-normalized pointwise algorithms in dynamic speckle analysis

E. Stoykova, D. Nazarova, N. Berberova, A. Gotchev

    Research output: Contribution to journalArticleScientificpeer-review

    21 Citations (Scopus)

    Abstract

    Intensity-based pointwise non-normalized algorithms for 2D evaluation of activity in optical metrology with dynamic speckle analysis are studied and compared. They are applied to a temporal sequence of correlated speckle patterns formed at laser illumination of the object surface. Performance of each algorithm is assessed through the histogram of estimates it produces. A new algorithm is proposed that provides the same quality of the 2D activity map for less computational effort. The algorithms are applied both to synthetic and experimental data.

    Original languageEnglish
    Pages (from-to)25128-25142
    Number of pages15
    JournalOptics Express
    Volume23
    Issue number19
    DOIs
    Publication statusPublished - 17 Sep 2015
    Publication typeA1 Journal article-refereed

    Publication forum classification

    • Publication forum level 2

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

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