マルチモーダル基盤モデルによる文脈適応的な表情豊かな動作の生成と変調
Context-Aware Generation and Modulation of Expressive Motion Behavior using Multimodal Foundation Models
テキスト・音声・映像の文脈記述から、アニメーション原則をDMPで実装しつつマルチモーダル基盤モデルで表情豊かな全身ジェスチャー列を生成・変調する手法を提案し、蒸留で軽量化してユーザー評価と異なる機体での汎用性を示した。
詳しい要約
1. どんなもの?
2. 先行研究と比べてどこがすごい?
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著者: Till Hielscher, Fabio Scaparro, Kai O. Arras
分類: cs.RO
原文アブストラクト
Expressive robot motion positively impacts human-robot interaction by improving user engagement, likability, or task performance. We present a novel approach to automatically generate and modulate complex, expressive full-body gesture sequences from a multimodal (text, audio, video) context description. Based on a unified mathematical implementation of the Principles of Animation using Dynamic Movement Primitives, we use multimodal foundation models to generate such sequences along with parametric motion variations that are highly context-aware. This method extends the state of the art in terms of flexibility and generality by being interpretable, composable, and working across different robot morphologies. Moreover, we integrate the system into a continuous control framework and leverage knowledge distillation to learn a much smaller model, significantly improving token efficiency and system latency. Results from a user study with a human-like platform indicate that participants judged our system's motions to be better aligned with the interaction context than motions produced under a non-modulated or API-level condition. We also demonstrate how the system generates expressive motion for robots with different kinematics, showcasing its versatility. Paper webpage: https://gen-mod-expressive-motion-behavior.github.io/.