Audio-visual interaction with user devices

This invention describes a method for a device to track where a user is looking on its screen. It works by detecting and analyzing the user's face to identify specific facial features, then uses this information to track the user's gaze. The device then moves a cursor on the screen to follow what the user is viewing.

Why it matters: Filed before widespread on-device AI and improved front cameras. Modern devices now have the power for efficient real-time tracking.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedHeavy software system, real-time computer vision

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