XR Marionette: Context-Responsive Arm Movement Constraint and Hand Interaction System for Safe XR Use

초록

XR headset users often lose environmental awareness, resulting in unintentional collisions and social boundary violations. We present XR Marionette, a wearable system that applies progressive constraints on arm movement (none → elbow-to-waist → elbow-to-waist + wrist-to-shoulder), while switching XR interaction methods (grab, ray-casting, and microgestures) based on proximity to surrounding obstacles and people. The system adapts to both solo and social contexts with context-dependent distance thresholds, promoting safety, social harmony, and sustained XR engagement through proactive constraints rather than reactive warnings. © 2025 Copyright held by the owner/author(s).

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