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Visual Attention, Visual Saliency, and Eye Movements During the Inspection of Natural Scenes

Underwood, Geoffrey and Foulsham, Tom and van Loon, Editha and Underwood, Jean (2005) Visual Attention, Visual Saliency, and Eye Movements During the Inspection of Natural Scenes. In: First International Work-Conference on the Interplay Between Natural and Artificial Computation, IWINAC 2005, 2005-06-15 - 2005-06-18, Las Palmas, Canary Islands, Spain.

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Abstract

How does visual saliency determine the attention given to objects in a scene? Viewers’ eye movements were recorded during the inspection of pictures of natural office scenes containing two objects of interest. According to the Itti and Koch algorithm one object had lower visual saliency relative to the other that was visually complex. We varied the purpose of picture inspection to determine whether visual saliency is invariably dominant in determining the pattern of fixations, or whether task demands can provide a cognitive override that renders saliency as of secondary importance. When viewers inspected the scene in preparation for a memory task, the more complex objects were potent in attracting early fixations, in support of a saliency map model of scene inspec-tion. When the viewers were set the task of search for the lower-saliency target the effect of the distractor was negligible, requiring the saliency map to be built with cognitive influences.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Faculty of Science and Health
Faculty of Science and Health > Psychology, Department of
SWORD Depositor: Elements
Depositing User: Elements
Date Deposited: 31 Jan 2015 21:30
Last Modified: 14 Jan 2022 10:25
URI: http://repository.essex.ac.uk/id/eprint/12476

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