OAA:人間-ドローン遠隔操作における音声ガイダンスの3つのフェーズ
OAA: Three Phases of Vocal Guidance in Human-Drone Teleoperation
人間の音声ガイダンスがタスク進行に伴い「オリエンテーション」「アプローチ」「調整」の3つの明確なフェーズに組織化されることを、モーションキャプチャと音声データの分析で実証した論文。
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著者: Allan Henry, Christian Graff, Solange Rossato, José-Ernesto Gomez-Balderas, Sylvain Huet
分類: cs.RO
原文アブストラクト
Voice-guided teleoperation requires systems that adapt to the evolving dynamics of human guidance. Yet most voice-controlled robot systems treat spoken commands as a stationary stream, ignoring how the guide's communicative behavior changes as the task progresses. Using motion capture and speech data from two experimental configurations, humanhuman guidance (finger pointing, N =10 dyads) and humandrone teleoperation (gamepad control, N =29 dyads), we show that spontaneous vocal guidance consistently organizes into three kinematically and linguistically distinct phases: Orientation, Approach, and Adjustment. These phases are identified automatically via change point detection on 3D trajectory signals, and validated statistically (Kruskal-Wallis, p<.001). Three lexical families replicate across configurations: rotation vocabulary marks Orientation, translation vocabulary is scarce there, and attenuators accumulate toward Adjustment. Together with inter-utterance silence, these cues mark the Orientation boundary that speech rate alone leaves unmarked. The same three-phase structure emerges in both configurations despite radically different motor interfaces, suggesting it is an intrinsic property of human spatial guidance rather than an artifact of the experimental setup. We discuss implications for OAA-aware adaptive control in voice-guided teleoperation.