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Uporaba metode Gunnar Farnebäck optičnega toka za identifikacijo pomikov v dinamskih procesih
ID Omahen, Hana (Author), ID Slavič, Janko (Mentor) More about this mentor... This link opens in a new window

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Abstract
Metoda Gunnar Farnebäck je metoda gostega optičnega toka in zato omogoča višjo prostorsko ločljivost meritev. Metoda se je na različnih področjih izkazala za zelo zmogljivo, a kljub temu njena uporaba še ni bila širše raziskana na področju dinamskih procesov. V tem delu je predstavljena identifikacija pomikov sintetičnega posnetka in posnetka s hitro kamero s proučevano metodo ter primerjava rezultatov z na tem področju že uveljavljenima metodama optičnega toka. Oba eksperimenta sta pokazala, da je izbira ustrezne metode odvisna od velikosti pomikov, ki jih želimo spremljati in določiti. Iz primerjave rezultatov pa smo ugotovili, da lahko z uporabo metode Gunnar Farnebäck dobimo primerljive rezultate kot z uporabo drugih metod optičnega toka.

Language:Slovenian
Keywords:identifikacija pomikov, optični tok, metode optičnega toka, metoda Gunnar Farnebäck, hitra kamera
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Year:2025
Number of pages:XI, 29 f.
PID:20.500.12556/RUL-169480 This link opens in a new window
UDC:535:531.3:681.7(043.2)
COBISS.SI-ID:240355587 This link opens in a new window
Publication date in RUL:30.05.2025
Views:578
Downloads:243
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Secondary language

Language:English
Title:Application of the Gunnar Farnebäck optical flow method for displacement identification in dynamical processes
Abstract:
The Gunnar Farnebäck method is a dense optical flow method and therefore enables higher spatial resolution of measurements. While the method has demonstrated strong performance across various fields, its application in the context of dynamical processes has not yet been extensively investigated. This thesis presents the identification of displacements of a synthetic recording and of a high-speed camera recording using the considered method, as well as a comparison of the results with two optical flow methods already established in this area. Both experiments indicate that the choice of an appropriate method depends on the scale of displacements being tracked and determined. From the comparison of the results, it was observed that the use of the Gunnar Farnebäck method can produce results comparable to those obtained with other optical flow techniques.

Keywords:displacement measurement, optical flow, optical flow methods, Gunnar Farnebäck method, high-speed camera

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