Sökning: "Speaker authentication"

Hittade 1 avhandling innehållade orden Speaker authentication.

  1. 1. Lip-motion and speech biometrics in person recognition

    Detta är en avhandling från Göteborg : Department of Signals and Systems, Chalmers University of Technology

    Författare :Maycel Isaac Faraj; Högskolan i Halmstad.; [2006]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TECHNOLOGY Information technology Image analysis; TEKNIKVETENSKAP Informationsteknik Bildanalys; Audio-visual recognition; biometrics; Biometric recognition; Speaker verification; Speaker authentication; Person identification; Lip movements; Motion; Structure tensor; Orientation; Optical flow; Hidden Markov Model; Gaussian Markov Model; Lip-motion;

    Sammanfattning : Biometric identification techniques are frequently used to improve security, e.g. in financial transactions, computer networks and secure critical locations. The purpose of biometric authentication systems is to verify an individual by her biological characteristics including those generating characterisitic behaviour. LÄS MER