On a choice of input parameters for calculation the vector field and deformation with DIC

Vladimir Kibitkin, Andrey Solodushkin, Vasiliy Pleshanov, Artem Napryushkin

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    © 2016 Elsevier LtdThis paper shows the approach how to choose the input parameters for DIC method. An error of a measurement depends on template subset size, search region size texture quality. The influence of the first two parameters is demonstrated on the example of material with homogeneous deformation. The view of displacement vector fields is analyzed and standard errors for displacements and deformation are calculated. Two thresholds for input parameters are found, where minimal subset size is related to an image texture quality, while the second threshold is defined by the requirement that the subset must fall within the search area of the deformed image. The influence of fractal textures of artificial images and its noise on subset size is demonstrated by modeling Monte-Carlo method. Fractal dimension is proposed to characterize the quality of an image texture. Formulas and analysis are given to diminish the error of DIC measurements and evaluate the input parameters.
    Original languageEnglish
    Pages (from-to)266-272
    Number of pages7
    JournalMeasurement: Journal of the International Measurement Confederation
    Volume95
    DOIs
    Publication statusPublished - 1 Jan 2017

    Fingerprint

    set theory
    Image texture
    textures
    Textures
    fractals
    Fractal dimension
    Set theory
    Fractals
    thresholds
    Monte Carlo methods
    Monte Carlo method
    templates
    requirements

    Keywords

    • Deformation
    • Digital image correlation
    • Displacement vector field
    • Fractal dimension
    • Monte-Carlo method
    • Texture quality

    Cite this

    On a choice of input parameters for calculation the vector field and deformation with DIC. / Kibitkin, Vladimir; Solodushkin, Andrey; Pleshanov, Vasiliy; Napryushkin, Artem.

    In: Measurement: Journal of the International Measurement Confederation, Vol. 95, 01.01.2017, p. 266-272.

    Research output: Contribution to journalArticle

    Kibitkin, Vladimir ; Solodushkin, Andrey ; Pleshanov, Vasiliy ; Napryushkin, Artem. / On a choice of input parameters for calculation the vector field and deformation with DIC. In: Measurement: Journal of the International Measurement Confederation. 2017 ; Vol. 95. pp. 266-272.
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