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MoSign: Challenge-Response Motion-Watermark Authentication for Anonymous Virtual-Reality Users

Che, Xujun et al.
arXiv (All) · Papers
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computer-vision-and-pattern-recognitioncryptography-and-securitymultimedia
Social virtual reality (VR) creates a paradox. A user's body motion is a high-entropy biometric: head and hand trajectories alone re-identify users among tens of thousands with over $94\%$ accuracy, so anonymizing the rendered avatar is a practical necessity. Yet a user often still wants to prove th
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