Gaze distribution analysis and saliency prediction across age groups
Open Access
- 23 February 2018
- journal article
- research article
- Published by Public Library of Science (PLoS) in PLOS ONE
- Vol. 13 (2), e0193149
- https://doi.org/10.1371/journal.pone.0193149
Abstract
Knowledge of the human visual system helps to develop better computational models of visual attention. State-of-the-art models have been developed to mimic the visual attention system of young adults that, however, largely ignore the variations that occur with age. In this paper, we investigated how visual scene processing changes with age and we propose an age-adapted framework that helps to develop a computational model that can predict saliency across different age groups. Our analysis uncovers how the explorativeness of an observer varies with age, how well saliency maps of an age group agree with fixation points of observers from the same or different age groups, and how age influences the center bias tendency. We analyzed the eye movement behavior of 82 observers belonging to four age groups while they explored visual scenes. Explorative- ness was quantified in terms of the entropy of a saliency map, and area under the curve (AUC) metrics was used to quantify the agreement analysis and the center bias tendency. Analysis results were used to develop age adapted saliency models. Our results suggest that the proposed age-adapted saliency model outperforms existing saliency models in predicting the regions of interest across age groups.Other Versions
Funding Information
- Ministry of Education, Culture, Sports, Science and Technology (JP)
This publication has 47 references indexed in Scilit:
- Examining the influence of task set on eye movements and fixationsJournal of Vision, 2011
- Fixations on low-resolution imagesJournal of Vision, 2011
- Developmental Changes in Natural Viewing Behavior: Bottom-Up and Top-Down Differences between Children, Young Adults and Older AdultsFrontiers in Psychology, 2010
- Viewing task influences eye movement control during active scene perceptionJournal of Vision, 2009
- Development of eye-movement controlBrain and Cognition, 2008
- The central fixation bias in scene viewing: Selecting an optimal viewing position independently of motor biases and image feature distributionsJournal of Vision, 2007
- Attention based on information maximizationJournal of Vision, 2007
- Development of voluntary control of saccadic eye movements: I. Age-related changes in normal childrenBrain & Development, 2000
- Development of fixation and pursuit eye movements in human infantsBehavioural Brain Research, 1983
- Spatial extent of attention to letters and words.Journal of Experimental Psychology: Human Perception and Performance, 1983