May 2008
Volume 8, Issue 6
Free
Vision Sciences Society Annual Meeting Abstract  |   May 2008
Using gaze measures to diagnose what guides search in complex displays
Author Affiliations
  • Anne P. Hillstrom
    Department of Psychology, University of Portsmouth
  • Tamaryn Menneer
    School of Psychology, University of Southampton
  • Nick Donnelly
    School of Psychology, University of Southampton
  • Mel Krokos
    School of Psychology, University of Southampton
Journal of Vision May 2008, Vol.8, 322. doi:10.1167/8.6.322
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      Anne P. Hillstrom, Tamaryn Menneer, Nick Donnelly, Mel Krokos; Using gaze measures to diagnose what guides search in complex displays. Journal of Vision 2008;8(6):322. doi: 10.1167/8.6.322.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

GIS maps are one kind of complex display in which people search for targets. Recent studies have shown that the choice of colour-scales when displaying these maps has important implications for people's strategies in searching these displays (Donnelly, Cave, Welland & Menneer, 2006). The current study follows up on this research. Observers searched for multiple targets in each display. Two targets were red and two were blue, and targets were not very salient. Observers searched until all targets were found. This often took several seconds and many fixations. The order in hich observers found targets suggested that they were more reliant on search for particular colours under some color-scales than under others. What will be presented here is a number of oculomotor measures used to explore how search was guided in the displays: the degree to which fixations clustered around targets, the image characteristics of regions of the display that were fixated, and goodness of fit to fixation distributions of Itti & Koch saliency maps, where the features used to compute saliency were varied. The goal was to see which measures would best pick up on differences in what guided search through complex displays.

Hillstrom, A. P. Menneer, T. Donnelly, N. Krokos, M. (2008). Using gaze measures to diagnose what guides search in complex displays [Abstract]. Journal of Vision, 8(6):322, 322a, http://journalofvision.org/8/6/322/, doi:10.1167/8.6.322. [CrossRef]
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