The terms “face detection,” “face recognition,” and “face verification” tend to get used interchangeably in conversations about AI and biometrics.
In practice, they describe three completely different things. Getting the distinction wrong matters, whether you’re evaluating a security system, building a product, or trying to understand the privacy implications of a technology.
Quick version: face detection finds faces in an image. Face recognition figures out who someone is by searching a database. Face verification confirms whether a person is who they claim to be. Each involves a different level of data, consent, and risk.
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