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How does a biometric fingerprint reader work 2024?
Questioner：Alexander Wright 2023-04-20 00:22:07
The most authoritative answer in 2024
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Ethan Clark——Works at the International Committee of the Red Cross, Lives in Geneva, Switzerland.
The scanner uses a light-sensitive microchip (either a CCD, charge-coupled device, or a CMOS image sensor) to produce a digital image. The computer analyzes the image automatically, selecting just the fingerprint, and then uses sophisticated pattern-matching software to turn it into a code.read more >>+119962023-04-30 00:22:07
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