Optimal eye movement strategies in visual search

Jiri Najemnik and Wilson S. Geisler ()
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Jiri Najemnik: University of Texas at Austin
Wilson S. Geisler: University of Texas at Austin

Nature, 2005, vol. 434, issue 7031, 387-391

Abstract: Good looking, so refined Few activities are more important for survival than searching the local area with the eyes to find relevant objects: food, predators, potential mates, oncoming cars. Nonetheless, eye movements recorded during visual search often appear haphazard; it has even been suggested that gaze directions are selected randomly. A study in human subjects tasked to spot a target hidden in a cluttered background now shows that the process is far from random: human eye movements are very near to the mathematically determined optimal strategy. The model developed for this work can also be used to analyse search strategies in other species, and in the refinement of robotic vision systems.

Date: 2005
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DOI: 10.1038/nature03390

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