This paper introduces a new database of voice recordings with the goal of supporting
research on vulnerabilities and protection of voice-controlled systems (VCSs). In contrast to …

In this work we study periocular biometrics in a challenging scenario: a mobile environment,
where person recognition can take place on a mobile device. The proposed technique, that …

Research in the area of automatic speaker verification (ASV) has advanced enough for the
industry to start using ASV systems in practical applications. However, these systems are …

Despite an increasing interest in speaker recognition technologies, a significant obstacle still
hinders their wide deployment—their high vulnerability to spoofing or presentation attacks …

The Point-and-Shoot Face Recognition Challenge (PaSC) is a performance evaluation
challenge including 1401 videos of 265 people acquired with handheld cameras and …

This paper describes presentation attack detection systems developed for the Automatic
Speaker Verification Spoofing and Countermeasures Challenge (ASVspoof 2017). The …

An expensive step when building a machine learning-based replay attack detection system
is to obtain labeled data to train the classifier. The process to construct the spoofing audios …

Este artigo apresenta um estudo sobre atributos que podem ser explorados para a detecção
automática de atividade de voz em diferentes cenários de ruídos de fundo. O atributo …

Abstract The Point-and-Shoot Face Recognition Challenge (PaSC) is a performance
evaluation challenge including 1401 videos of 265 people acquired with handheld cameras …