Low-Distortion Fingerprint Detection System

One very interesting area is fingerprint detection, which up to now has been almost exclusively the domain of law enforcement, but which has the potential to be used in optically based replacements for conventional locks and keys. An "optical lock" would consist of a lens system to form an image of a fingerprint on a video camera sensor, and a small computer that would analyze the image to determine whether the owner of the fingerprint is allowed to open the lock. People who routinely spend time searching for lost keys but nevertheless manage to keep track of their thumbs will immediately appreciate the benefits of such a system

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