Facial recognition technology determines unique characteristics and contours in a person's face and compares that information with images of other people's faces, either live (as it happens) or images stored in a database. Police used to do a similar job manually â AI makes the process faster and more extensive.
Advocates say facial recognition can help protect an individual's digital security and privacy. Critics say it's an invasive form of mass surveillance. Researchers have revealed racial biases and identification errors that have led to negative outcomes for groups of people.
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