Reactive Gaze during Locomotion in Natural Environments

Animating gaze behavior is crucial for creating believable virtual characters, providing insights into their perception and interaction with the environment. In this paper, we present an efficient yet natural‐looking gaze animation model applicable to real‐time walking characters exploring natural e...

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Bibliographic Details
Published in:Computer graphics forum Vol. 43; no. 8
Main Authors: Melgare, J. K., Rohmer, D., Musse, S. R., Cani, M‐P.
Format: Journal Article
Language:English
Published: Oxford Blackwell Publishing Ltd 01.12.2024
Wiley
Series:Symposium on Computer Animation (SCA)
Subjects:
Animation
Computer Science
Graphics
Locomotion
Salience
Virtual environments
CCS Concepts
Procedural animation
Computing methodologies → Computer graphics
Animation
CCS Concepts Computing methodologies → Computer graphics Animation Procedural animation
ISSN:0167-7055, 1467-8659
Online Access:Get full text
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Summary:Animating gaze behavior is crucial for creating believable virtual characters, providing insights into their perception and interaction with the environment. In this paper, we present an efficient yet natural‐looking gaze animation model applicable to real‐time walking characters exploring natural environments. We address the challenge of dynamic gaze adaptation by combining findings from neuroscience with a data‐driven saliency model. Specifically, our model determines gaze focus by considering the character's locomotion, environment stimuli, and terrain conditions. Our model is compatible with both automatic navigation through pre‐defined character trajectories and user‐guided interactive locomotion, and can be configured according to the desired degree of visual exploration of the environment. Our perceptual evaluation shows that our solution significantly improves the state‐of‐the‐art saliency‐based gaze animation with respect to the character's apparent awareness of the environment, the naturalness of the motion, and the elements to which it pays attention.
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ISSN:0167-7055
1467-8659
DOI:10.1111/cgf.15168