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The original was posted on /r/explainlikeimfive by /u/big_zk on 2023-06-26 19:02:01+00:00.

Facial recognition technology is becoming more prevalent in our daily lives, from unlocking our phones to security checkpoints at airports. But how does it actually work? Essentially, facial recognition algorithms analyze the unique features of a person’s face, such as the distance between their eyes, the shape of their nose, and the contours of their jawline. This information is then compared to a database of known faces to identify a match. While it may seem like magic, it’s actually a complex process involving machine learning and advanced computer vision techniques. But as with any technology that collects and stores personal information, concerns about privacy and security remain.