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Computational Methods for Underdetermined Convolutive Speech Localization and Separation via Model-based Sparse Component Analysis

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AV16.3: an Audio-Visual Corpus for Speaker Localization and Tracking

Daniel Gatica-Perez, Jean-Marc Odobez, Guillaume Lathoud

Assessing the quality of a speaker localization or tracking algorithm on a few short examples is difficult, especially when the ground-truth is absent or not well defined. One step towards systematic performance evaluation of such algorithms is to provide ...

IDIAP2004

Were the chaotic ELMs in TCV the result of an ARMA process?

Yves Martin, Jonathan Bryan Lister

The results of a previous paper claiming the demonstration that edge localized mode (ELM) dynamics on TCV are chaotic in a number of cases has recently been called into question, because the statistical test employed was found to also identify linear auto ...

2004

Segmenting Multiple Concurrent Speakers Using Microphone Arrays

Guillaume Lathoud, Darren Moore

Speaker turn detection is an important task for many speech processing applications. However, accurate segmentation can be hard to achieve if there are multiple concurrent speakers (overlap), as is typically the case in multi-party conversations. In such c ...

IDIAP2003

Segmenting Multiple Concurrent Speakers Using Microphone Arrays

Guillaume Lathoud, Darren Moore

2003

Location Based Speaker Segmentation

Guillaume Lathoud

This paper proposes a technique that segments into speaker turns based on their location, essentially implementing a discrete source tracking system. In many multi-party conversations, such as meetings or teleconferences, the location of participants is re ...

2003

Location Based Speaker Segmentation

Guillaume Lathoud

IDIAP2002

Compression of multi-year meteorological data

Jean-Louis Scartezzini

Dynamic simulation programes require hourly values of solar radiation and ambient temperature forming large files, which are usually difficult to handle with available personal computers (PC). This report describes stochastic models of these variables whic ...

1990