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When viewing natural scenes, do abnormal colors impact on spatial or temporal parameters of eye movements?

Abstract : Since Treisman's theory, it has been generally accepted that color is an elementary feature that guides eye movements when looking at natural scenes. Hence, most computational models of visual attention predict eye movements using color as an important visual feature. In this paper, using experimental data, we show that color does not affect where observers look when viewing natural scene images. Neither colors nor abnormal colors modify observers' fixation locations when compared to the same scenes in grayscale. In the same way, we did not find any significant difference between the scanpaths under grayscale, color, or abnormal color viewing conditions. However, we observed a decrease in fixation duration for color and abnormal color, and this was particularly true at the beginning of scene exploration. Finally, we found that abnormal color modifies saccade amplitude distribution.
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Tien Ho Phuoc, Nathalie Guyader, Frédéric Landragin, Anne Guérin-Dugué. When viewing natural scenes, do abnormal colors impact on spatial or temporal parameters of eye movements?. Journal of Vision, Association for Research in Vision and Ophthalmology, 2012, 12 (2), pp.article 4. ⟨10.1167/12.2.4⟩. ⟨hal-00680776⟩

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