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JEI
2008
109views more  JEI 2008»
13 years 3 months ago
New approach for liveness detection in fingerprint scanners based on valley noise analysis
Recent research has shown that it is possible to spoof a variety of fingerprint scanners using some simple techniques with molds made from plastic, clay, Play-Doh, silicon, or gela...
Bozhao Tan, Stephanie A. C. Schuckers
MLQ
2000
99views more  MLQ 2000»
13 years 4 months ago
Von Rimscha's Transitivity Conditions
In Zermelo-Fraenkel set theory with the axiom of choice every set has the same cardinal number as some ordinal. Von Rimscha has weakened this condition to "Every set has the s...
Paul E. Howard, Jean E. Rubin, Adrienne Stanley