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Proceedings Article

Quantifying the relationship between visual salience and visual importance

[+] Author Affiliations
Junle Wang

South China Univ. of Technology (China) and Univ. de Nantes (France)

Damon M. Chandler

Oklahoma State Univ. (USA)

Patrick Le Callet

Univ. de Nantes (France)

Proc. SPIE 7527, Human Vision and Electronic Imaging XV, 75270K (February 17, 2010); doi:10.1117/12.845231
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From Conference Volume 7527

  • Human Vision and Electronic Imaging XV
  • Bernice E. Rogowitz; Thrasyvoulos N. Pappas
  • San Jose, California | January 17, 2010

abstract

This paper presents the results of two psychophysical experiments and an associated computational analysis designed to quantify the relationship between visual salience and visual importance. In the first experiment, importance maps were collected by asking human subjects to rate the relative visual importance of each object within a database of hand-segmented images. In the second experiment, experimental saliency maps were computed from visual gaze patterns measured for these same images by using an eye-tracker and task-free viewing. By comparing the importance maps with the saliency maps, we found that the maps are related, but perhaps less than one might expect. When coupled with the segmentation information, the saliency maps were shown to be effective at predicting the main subjects. However, the saliency maps were less effective at predicting the objects of secondary importance and the unimportant objects. We also found that the vast majority of early gaze position samples (0-2000 ms) were made on the main subjects, suggesting that a possible strategy of early visual coding might be to quickly locate the main subject(s) in the scene.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

Topics

Databases ; Eye
Citation

Junle Wang ; Damon M. Chandler and Patrick Le Callet
"Quantifying the relationship between visual salience and visual importance", Proc. SPIE 7527, Human Vision and Electronic Imaging XV, 75270K (February 17, 2010); doi:10.1117/12.845231; http://dx.doi.org/10.1117/12.845231


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