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Use of lightweight FFT-based algorithms for remote measurements using DIC

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F23%3A00367585" target="_blank" >RIV/68407700:21110/23:00367585 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.14311/APP.2023.40.0123" target="_blank" >https://doi.org/10.14311/APP.2023.40.0123</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.14311/APP.2023.40.0123" target="_blank" >10.14311/APP.2023.40.0123</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Use of lightweight FFT-based algorithms for remote measurements using DIC

  • Original language description

    Abrupt collapse events that result in casualties due to failure of load-bearing structures have been reported in recent years. Continuous remote monitoring of these structures, assessing the behavior under operational load, could provide a reliable prevention, as the developing damage manifests itself through a loss of stiffness, and therefore excessive deflections. Digital image correlation (DIC) algorithms based on fast Fourier transform (FFT) were implemented in a small computer unit Raspberry Pi, capable of remote operation in a low-energy demand mode. The unit is fully autonomous, capable of localizing QR code targets and extracting encoded information. This strategy allows us to instantly evaluate displacements of QR codes attached to any surface and send the data to a server. The software was developed in Python, allowing for two modes: the online mode for current data evaluation with information transfer via the MQTT protocol and the offline mode used for retrospective evaluation.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    10201 - Computer sciences, information science, bioinformathics (hardware development to be 2.2, social aspect to be 5.8)

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2023

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    NMM 2022 Nano & Macro Mechanics

  • ISBN

    978-80-01-07186-1

  • ISSN

    2336-5382

  • e-ISSN

    2336-5382

  • Number of pages

    6

  • Pages from-to

    123-128

  • Publisher name

    České vysoké učení technické v Praze

  • Place of publication

    Praha

  • Event location

    Praha

  • Event date

    Sep 15, 2022

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article