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The effect of experimental instructions on the number of areas identified as important in photographic images

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A study is currently underway that is aimed at increasing understanding of the optimal design of pictorial stimuli in perceptual experiments. Evaluating the impact of image complexity on visual attention is of particular interest. Since this work centers on pictorial scenes, a variety of such scenes must be selected as stimuli. The experiments planned require scenes that are perceived to have at least five key areas of interest. Further, each of these must be able to be cropped to versions perceived to have three or four key areas of interest and one or two key areas of interest. The objective of the present experiment is to evaluate the impact of the experimental instructions on the number of key interest areas identified in each of the potential scenes and its cropped versions. The results of this experiment indicate that observer instructions have an impact on the number of areas observers determined to be important in the test images. These results have been used to select the scenes for subsequent work being conducted to evaluate the impact of scene complexity on how people look at images in perceptual experiments. In these experiments, fixation patterns will be evaluated with respect to the areas identified as important in the present study.
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Document Type: Research Article

Publication date: January 1, 2012

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  • Started in 2002 and merged with the Color and Imaging Conference (CIC) in 2014, CGIV covered a wide range of topics related to colour and visual information, including color science, computational color, color in computer graphics, color reproduction, volor vision/psychophysics, color image quality, color image processing, and multispectral color science. Drawing papers from researchers, scientists, and engineers worldwide, DGIV offered attendees a unique experience to share with colleagues in industry and academic, and on national and international standards committees. Held every year in Europe, DGIV papers were more academic in their focus and had high student participation rates.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual papers for details.

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