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Using gaze measures to diagnose what guides search in complex displays

Using gaze measures to diagnose what guides search in complex displays
Using gaze measures to diagnose what guides search in complex displays
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
1534-7362
322
Hillstrom, Anne
44c48770-8db7-4316-aa7b-bed366c031b4
Menneer, T.
d684eaf6-1494-4004-9973-cb8ccc628efa
Donnelly, N.
05c83b6b-ee8d-4c9d-85dc-c5dcd6b5427b
Krokos, Mel
8c8f4db4-208b-4244-8739-87ea722814d2
Hillstrom, Anne
44c48770-8db7-4316-aa7b-bed366c031b4
Menneer, T.
d684eaf6-1494-4004-9973-cb8ccc628efa
Donnelly, N.
05c83b6b-ee8d-4c9d-85dc-c5dcd6b5427b
Krokos, Mel
8c8f4db4-208b-4244-8739-87ea722814d2

Hillstrom, Anne, Menneer, T., Donnelly, N. and Krokos, Mel (2008) Using gaze measures to diagnose what guides search in complex displays. Journal of Vision, 8 (6), 322. (doi:10.1167/8.6.322).

Record type: Article

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

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Published date: 10 May 2008

Identifiers

Local EPrints ID: 371615
URI: http://eprints.soton.ac.uk/id/eprint/371615
ISSN: 1534-7362
PURE UUID: 4161bbe3-e9d7-4736-8537-d2381041484f

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Date deposited: 14 Nov 2014 11:03
Last modified: 14 Mar 2024 18:23

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Contributors

Author: Anne Hillstrom
Author: T. Menneer
Author: N. Donnelly
Author: Mel Krokos

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