Predicting and Evaluating Saliency for Simplified Polygonal Models
ACM Transactions on Applied Perception (TAP)
Human perception of quadruped motion
Proceedings of the 6th Symposium on Applied Perception in Graphics and Visualization
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In our research, we are interested in simulating realistic quadrupeds [2008]. Previous eye-tracking results have shown that faces are particularly salient for static images of animals and humans [2005; 2004]. To explore whether similar eye-movement patterns are found for dynamic scenes depicting animals, we displayed multiple 4-second (56 frame) grey-scale video clips of farm animals (goat, horse, sheep) walking and trotting. Using an EyelinkII eye-tracker, we recorded the eye-movements of 7 participants who were instructed to view the experiments with a view to subsequently answering questions about the movements. As it has been shown that human and animal motions activate different areas of the brain in children [2003], we also showed the participants the same number of videos showing humans walking and running. Figure 2 shows several frames of three of the video clips, with the eye-fixations of one participant overlaid. This depicts a very typical eye-movement pattern found in most of the videos, in that participants first looked at the head of the animal, then looked along the torso, finishing at the hips.