Grounded Gesture Generation: Language, Motion, and Space

• URL: http://arxiv.org/abs/2507.04522v1
• Date: Sun, 06 Jul 2025 20:19:34 GMT
• Title: Grounded Gesture Generation: Language, Motion, and Space
• Authors: Anna Deichler, Jim O'Regan, Teo Guichoux, David Johansson, Jonas Beskow,
• Abstract summary: We introduce a multimodal dataset and framework for grounded gesture generation.<n>We provide over 7.7 hours of synchronized motion, speech, and 3D scene information, standardized in the HumanML3D format.<n>Our contribution establishes a foundation for advancing research in situated gesture generation and grounded multimodal interaction.
• Score: 3.4973270688542626
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Human motion generation has advanced rapidly in recent years, yet the critical problem of creating spatially grounded, context-aware gestures has been largely overlooked. Existing models typically specialize either in descriptive motion generation, such as locomotion and object interaction, or in isolated co-speech gesture synthesis aligned with utterance semantics. However, both lines of work often treat motion and environmental grounding separately, limiting advances toward embodied, communicative agents. To address this gap, our work introduces a multimodal dataset and framework for grounded gesture generation, combining two key resources: (1) a synthetic dataset of spatially grounded referential gestures, and (2) MM-Conv, a VR-based dataset capturing two-party dialogues. Together, they provide over 7.7 hours of synchronized motion, speech, and 3D scene information, standardized in the HumanML3D format. Our framework further connects to a physics-based simulator, enabling synthetic data generation and situated evaluation. By bridging gesture modeling and spatial grounding, our contribution establishes a foundation for advancing research in situated gesture generation and grounded multimodal interaction. Project page: https://groundedgestures.github.io/

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