Facial Recognition
Facial recognition is a biometric technology that uses algorithms to identify or verify a person's identity by analyzing unique facial features from images or videos. It's revolutionized security and convenience in daily life, from unlocking devices to aiding law enforcement, but it also sparks debates over privacy and ethical misuse in an era of widespread surveillance.
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The first facial recognition algorithm, developed by Woodrow Bledsoe in 1964, relied on manually plotting facial coordinates, yet it paved the way for modern systems that can process over a billion faces per second in applications like social media tagging. Today, it's estimated that facial recognition is embedded in more than 1.5 billion devices worldwide, from smartphones to security cameras, highlighting its explosive growth in just a few decades.
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