How Fingerprint Sensors Work | Ubergizmo
https://www.ubergizmo.com/articles/fingerprint-scanners-how-they-work/
WEBAug 11, 2016 · Definition: Fingerprint scanners are digital input devices that read a (human) fingerprint and output a 2D/3D image dataset that a fingerprint matching software can exploit. Although the base principle is simple, making fingerprint reader reliable, secure, small, fast and affordable is not.
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