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With the availability of sensor technology across the broad electromagnetic spectrum, multi-spectral imaging is increasingly used in biometric systems. Especially for face recognition, multi-spectral imaging has gained a lot of attention due to it's invariant property against variation caused by unknown illumination. However, obtaining best performance using multi-spectral imaging is still a challenge...
The vast majority of speaker recognition cross-entropy evaluations are focused on score domain. By examining the generalized relative distance between genuine and impostor sub-spaces, biometric characteristics become comparable to other authentication approaches. In this paper we demonstrate that the i-vector feature space's biometric information measured by relative entropy is comparable to e.g.,...
The ever wider application of automatic fingerprint recognition systems to law enforcement and immigration control purposes has motivated attempts to avoid identification by fingerprint alterations. The subjects can try to change their fingerprint patterns in many ways, varying from fingertip abrading, burning and cutting up to sophisticated surgical procedures, and therefore a necessity exists for...
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