Search for dissertations about: "voice biometrics"

Found 2 swedish dissertations containing the words voice biometrics.

  1. 1. Recognition and Evaluation by Video Synthesis Methods and Symmetry Features

    Author : Dereje Teferi Lemma; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Biometrics; eye detection; video synthesis; liveness detection; camera calibration; damascening; Generalized Structure Tensor; symmetry codes;

    Abstract : Biometrics is being increasingly utilized for person authentication. It requires little or no efforts from the user as compared to traditional non-biometric systems where the user has to memorize PIN codes and passwords or carry pass cards and keys that can be easily forgotten or lost. READ MORE

  2. 2. Automatic speaker verification on site and by telephone: methods, applications and assessment

    Author : Håkan Melin; Björn Granström; Mats Blomberg; Josef Bigün; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; speaker recognition; speaker verification; speech technology; biometrics; access control; speech corpus; variance estimation; Information and language technology; Informations- och språkteknologi;

    Abstract : Speaker verification is the biometric task of authenticating a claimed identity by means of analyzing a spoken sample of the claimant's voice. The present thesis deals with various topics related to automatic speaker verification (ASV) in the context of its commercial applications, characterized by co-operative users, user-friendly interfaces, and requirements for small amounts of enrollment and test data. READ MORE