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Pregled bibliografske jedinice broj: 572450

Zbornik radova

Autori: Pribanić, Tomislav; Heđi, Adam; Gračanin, Vedran
Naslov: HARMONIC OSCILLATIONS MODELLING FOR THE PURPOSE OF CAMERA SYNCHRONIZATION
( HARMONIC OSCILLATIONS MODELLING FOR THE PURPOSE OF CAMERA SYNCHRONIZATION )
Izvornik: Proceedings of the International Conference on Computer Graphics Theory and Applications and International Conference on Information Visualization Theory and Applications (VISIGRAPP 2012) / Paul Richard, Martin Kraus, Robert S. Laramee and José Braz (ur.). - Portugal : 2012 SciTePress – Science and Technology Publications , 2012. 202-205 (ISBN: 978-989-8565-02-0).
Skup: International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP)
Mjesto i datum: Rim, Italija, 24-26.02.2012.
Ključne riječi: Camera Synchronization; 3D Reconstruction; Pendulum
( Camera Synchronization; 3D Reconstruction; Pendulum )
Sažetak:
The goal of this paper to present a general method to synchronize cameras from the image modelled harmonic oscillations, which are in this work produced by a simple pendulum. The method essence is to recover from camera images a sine trajectory of a small ball, attached to 45cm string and suspended from a pivot so that it can swing freely. From this trajectory and given an equilibrium position of ball in space, for each camera a time is estimated needed to reach this equilibrium position from a neighboring frame during a ball swing. The difference in those times for two cameras yields a subframe time difference between cameras. The subframe time differences between cameras were computed using the proposed method and they were compared against the ground truth measurement values given by a camera manufacturer. Linear correlation coefficient is 0.996, while the mean absolute difference between two methods measurements is 3.5ms.
Vrsta sudjelovanja: Poster
Vrsta prezentacije u zborniku: Cjeloviti rad (više od 1500 riječi)
Vrsta recenzije: Međunarodna recenzija
Projekt / tema: 036-0362214-1989, 036-0362979-1554
Izvorni jezik: eng
Kategorija: Znanstveni
Znanstvena područja:
Elektrotehnika,Računarstvo
Upisao u CROSBI: tpribanic@fer.hr (tpribanic@fer.hr), 27. Vel. 2012. u 16:25 sati



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