This invention describes a system where a head-mounted display (HMD) tracks a user's facial movements using its built-in sensors. Based on these movements, the system creates a small, rendered three-dimensional (3D) image, which it then combines with a live video image of the user's face captured by a camera. The combined image can then be sent to another device.
Why it matters: Filed before widespread consumer HMDs had integrated facial tracking and cameras. Today's devices offer the necessary sensors and processing power for real-time facial image manipulation.
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