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Authors: Maria Beatriz Carmo ; Ana Paula Cláudio ; António Ferreira ; Ana Paula Afonso and Raúl Simplício

Affiliation: University of Lisbon, Portugal

ISBN: 978-989-8565-46-4

Keyword(s): Augmented Reality, Symbol Adaptation, User Study.

Related Ontology Subjects/Areas/Topics: Augmented, Mixed and Virtual Environments ; Computer Vision, Visualization and Computer Graphics ; Evaluation of Human Performance and Usability in Virtual Environments ; Interactive Environments

Abstract: In augmented reality applications, users may experience difficulty in finding virtual symbols placed over images of the real world whenever the colour of the surrounding background becomes similar to the symbols’ colour. We investigated a set of adaptations to make virtual symbols more salient from the background, while maintaining the original semantics, and conducted a study to evaluate user preferences about the adaptations, which revealed that adding a border to the symbols was favoured by the majority of the participants. Next came colour luminosity adjustment and changing the colour of the letters inside the symbol; however the latter was only preferred against symbols with no adaptation, that is, it was never chosen when competing with the other adaptations. Enlarging the symbol was the least selected adaptation, followed by having no adaptation at all. These results suggest using adaptations based on border addition and colour luminosity adjustments in the representation of vi rtual symbols for augmented reality. (More)

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Paper citation in several formats:
Carmo, M.; Cláudio, A.; Ferreira, A.; Afonso, A. and Simplício, R. (2013). Improving Symbol Salience in Augmented Reality.In Proceedings of the International Conference on Computer Graphics Theory and Applications and International Conference on Information Visualization Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2013) ISBN 978-989-8565-46-4, pages 367-372. DOI: 10.5220/0004298903670372

@conference{grapp13,
author={Maria Beatriz Carmo. and Ana Paula Cláudio. and António Ferreira. and Ana Paula Afonso. and Raúl Simplício.},
title={Improving Symbol Salience in Augmented Reality},
booktitle={Proceedings of the International Conference on Computer Graphics Theory and Applications and International Conference on Information Visualization Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2013)},
year={2013},
pages={367-372},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004298903670372},
isbn={978-989-8565-46-4},
}

TY - CONF

JO - Proceedings of the International Conference on Computer Graphics Theory and Applications and International Conference on Information Visualization Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2013)
TI - Improving Symbol Salience in Augmented Reality
SN - 978-989-8565-46-4
AU - Carmo, M.
AU - Cláudio, A.
AU - Ferreira, A.
AU - Afonso, A.
AU - Simplício, R.
PY - 2013
SP - 367
EP - 372
DO - 10.5220/0004298903670372

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