Harvey, Carlo, Bashford-Rogers, Thomas, Debattista, Kurt and Chalmers, Alan (2011) Visual saliency for smell impulses and application to selective rendering. In: Theory and Practice of Computer Graphics 2011, University of Warwick, Coventry, 6-8 Sep 2011. Published in: Theory and practice of computer graphics 2011 : Eurographics UK Chapter proceedings : Warwick, United Kingdom, 6 - 8 September, 2011 pp. 73-80. doi:10.2312/LocalChapterEvents/TPCG/TPCG11/073-080 ISSN 9783905673838 .

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Abstract

A major challenge in generating high-fidelity virtual environments is to be able to provide interactive rates of realism. However this is very computationally demanding and only recently visual perception has been used in high-fidelity rendering to improve performance considerably by a series of novel exploitations; to render parts of the scene that are not currently being attended by the viewer at a much lower quality without the difference being perceived. This paper investigates the effect various smells have on the visual attention of the user when free viewing a set of engineered images. We verify the worth of investigating these saccade shifts (fast movements of the eyes) due to attention distraction to a congruent smell object. By analysing the gaze points, we identify time spent attending a particular area of a scene. We also present a technique from measured data to remodulate traditional saliency maps of image features to account for the observed results. We show that smell provides an impulse on attention to affect perception in such a way that this can be used to guide selective rendering of scenes through use of the remodulated saliency maps.

Item Type:	Conference Item (Paper)
Divisions:	Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group)
Journal or Publication Title:	Theory and practice of computer graphics 2011 : Eurographics UK Chapter proceedings : Warwick, United Kingdom, 6 - 8 September, 2011
Publisher:	Eurographics Association
ISSN:	9783905673838
Official Date:	2011
Dates:	Date Event 2011 Published
Page Range:	pp. 73-80
DOI:	10.2312/LocalChapterEvents/TPCG/TPCG11/073-080
Status:	Peer Reviewed
Publication Status:	Published
Description:	Best student paper
Version or Related Resource:
Conference Paper Type:	Paper
Title of Event:	Theory and Practice of Computer Graphics 2011
Type of Event:	Conference
Location of Event:	University of Warwick, Coventry
Date(s) of Event:	6-8 Sep 2011

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