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Variable resolution images and their effects on eye-movements during free-viewing

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Author

Summary, in English

Earlier studies have shown that while free-viewing images people tend to gaze at regions with a high local density of bottom up features such as contrast and edge density. In particular, this tendency seems to be more emphasized during the first few fixations after image onset. In this paper, we present a new method to investigate how gaze locations are chosen by introducing varying image resolution, and measure how it affects eye-movement behavior during free viewing. Results show that gaze density overall is shifted toward regions presented in high resolution over those degraded in resolution. However, certain image regions seem to attract early fixations regardless of display resolution. These results suggest that top-down control of gaze guidance may be the dominant factor early in visual processing. © 2007 SPIE-IS and T.

Publishing year

2007

Language

English

Pages

49216-49216

Publication/Series

Proceedings of SPIE - The International Society for Optical Engineering

Volume

6492

Document type

Conference paper

Publisher

SPIE

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • Gaze locations
  • Variable resolution images
  • Visual attention

Conference name

Human Vision and Electronic Imaging XII

Conference date

2007-01-29 - 2007-02-01

Conference place

San Jose, CA, United States

Status

Published

ISBN/ISSN/Other

  • ISSN: 1996-756X
  • ISSN: 0277-786X