Eye Movement Synthesis with 1/F Pink Noise

Andrew Duchowski , Sophie Jörg , Aubrey Lawson , Takumi Bolte , Lech Świrski , Krzysztof Krejtz


Eye movements are an essential part of non-verbal behavior. Nonplayer characters (NPCs), as they occur in many games, communicate with the player through dialogues and non-verbal behavior and can have a strong influence on the player experience or even on gameplay. In this paper we propose a procedural model to synthesize the subtleties of eye motions. More specifically, our model adds microsaccadic jitter and pupil unrest both modeled by 1= f or pink noise to the standard main sequence. In a perceptual twoalternative forced-choice (2AFC) experiment we explore the perceived naturalness of different parameters of pink noise by comparing synthesized motions to rendered motion of recorded eye movements at extreme close shot and close shot distances. Our results show that, on average, data-driven motion is perceived as most natural, followed by parameterized pink noise, with motion lacking microsaccadic jitter being consistently selected as the least natural in appearance.
Author Andrew Duchowski
Andrew Duchowski,,
, Sophie Jörg
Sophie Jörg,,
, Aubrey Lawson
Aubrey Lawson,,
, Takumi Bolte
Takumi Bolte,,
, Lech Świrski
Lech Świrski,,
, Krzysztof Krejtz (Wydział Psychologii)
Krzysztof Krejtz,,
- Wydział Psychologii
Publication size in sheets0.5
Book Proceedings of the 8th ACM SIGGRAPH Conference on Motion in Games, MIG '15, 2015, ACM, ISBN 978-1-4503-3991-9
Keywords in Englishcharacter animation, eye movements, gaze synthesis, microsaccades, pupil unrest
URL http://doi.acm.org/10.1145/2822013.2822014
Languageen angielski
p47-duchowski.pdf 1.67 MB
Not used for evaluationyes
Score (nominal)0
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