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What is How Fingerprint Scanners Function about?

Finger print scanners work in one of two ways - optical scanners that use optics like cameras to capture fingerprint images, or silicon scanners that place fingers directly on silicon. Optical scanners use CCD or CMOS sensors along with a light source and prism to capture fingerprints, but can be fooled by 2D images. Silicon scanners like those in phones use capacitive, thermal, or radio frequency methods and don

Author

Viswanathan S

Language

EN