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arXiv · 2509.12816

Gesture Evaluation in Virtual Reality

Axel Wiebe Werner·Jonas Beskow·Anna Deichler
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Abstract

Gestures are central to human communication, enriching interactions through non-verbal expression. Virtual avatars increasingly use AI-generated gestures to enhance life-likeness, yet evaluations have largely been confined to 2D. Virtual Reality (VR) provides an immersive alternative that may affect how gestures are perceived. This paper presents a comparative evaluation of computer-generated gestures in VR and 2D, examining three models from the 2023 GENEA Challenge. Results show that gestures viewed in VR were rated slightly higher on average, with the strongest effect observed for motion-capture "true movement." While model rankings remained consistent across settings, VR influenced participants' overall perception and offered unique benefits over traditional 2D evaluation.

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Axel Wiebe Werner, Jonas Beskow, Anna Deichler. 2025-09-16. Gesture Evaluation in Virtual Reality. https://doi.org/10.1145/3686215.3688821

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