Solution to Attack 3 - human skin (in the range 20-50) is...

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Solution to Attack 1: Fingerprint  Liveness Detection •Hardware-based systems: •Temperature: The temperature of the epidermis is  about 8-10  0 C above the room temperature •Conductivity: Typical skin conductivity is  nearly 200 kOhm. •Dielectric constant: Relative Dielectric Constant of 
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Unformatted text preview: human skin (in the range 20-50) is different from that of silicon Heart Beat:Can be used against fingers from cadavers Lumidigm: Analyzes signals that are backscattered from skin layers when illuminated with multiple wavelengths of visible and near-infrared light...
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This document was uploaded on 11/03/2011 for the course BIOLOGY BSC1105 at Broward College.

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