Spoof detection based on challenge response analysis

This invention describes a method to verify if someone is a live person, rather than a spoof. It works by displaying an animated character performing a specific facial expression, like a smile, for a short period. The system then captures images of the subject's face during that same time, analyzing subtle movements in their facial muscles and skin to determine if they genuinely mimicked the expression. If the subject's facial response closely matches the displayed expression, the system confirms they are a live person.

Why it matters: Filed in 2023, this invention benefits from the rapid advancements in real-time computer vision and facial recognition AI models. These technologies have become significantly more robust and accessible, making the precise analysis of facial muscle and skin interaction more feasible and accurate today.

Status: Not in forceListed as no longer active.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

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