Starting with fingerprints more than a hundred years ago, there has been ongoing research
in biometrics. Within the last forty years face and speaker recognition have emerged as …

Abstract Information technology widely uses Personal Identification Numbers (PIN: s) to
verify a user to a system. Recognition of a PIN does not, however, mean recognition of the …

O objetivo deste trabalho é apresentar algoritmos aplicados para extração de características
invariantes à rotação em imagens de impressões digitais. No pré-processamento da …

There is much interest in the use of biometrics for verification, identification, and” screening”
applications, collectively called biometric authentication. This interest has been heightened …