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Proceedings Paper

Effects of 180-deg. image rotation on eye movement pattern
Author(s): Dimitri A. Chernyak; Michela Azzariti; Lawrence W. Stark
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Paper Abstract

This study quantitatively compares eye movement (EM) patterns of subjects viewing static pictures for short period of time. Each image stimulus is viewed in its original appearance and under a linear transformation - rotation by 180 degrees. Eye movements for the original and transformed images are compared in terms of similarity in position of fixations (SP factor) and their sequence (SS factor). The stimuli come from four distinct groups. First group contains pseudo-natural images that have typical natural image Fourier power distribution (1/f) and random phase factor. This creates a cloud-like pattern without any particular shape outlines. Second group contains single objects that might appear in the environment in almost any orientation. Such objects do not possess any intrinsic polarity such as up and down (for example a bundle of keys). The third group contains single object with well- defined polarity (for example a tree). Finally, the fourth category contains scenes with multiple objects and well- defined polarity (for example a picture of a room). We investigate the effects of the transformation for each category on EM pattern and evaluate similarity of viewing strategies for individual subjects.

Paper Details

Date Published: 30 May 2002
PDF: 12 pages
Proc. SPIE 4662, Human Vision and Electronic Imaging VII, (30 May 2002); doi: 10.1117/12.469549
Show Author Affiliations
Dimitri A. Chernyak, VISX Inc. (United States)
Michela Azzariti, Univ. of California/Berkeley (United States)
Lawrence W. Stark, Univ. of California/Berkeley (United States)


Published in SPIE Proceedings Vol. 4662:
Human Vision and Electronic Imaging VII
Bernice E. Rogowitz; Thrasyvoulos N. Pappas, Editor(s)

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