Guillaume Lathoud

Cette personne n’est plus à l’EPFL

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Publications associées (5)

Short-Term Spatio-Temporal Clustering Applied to Multiple Moving Speakers

Guillaume Lathoud, Jean-Marc Odobez

Distant microphones permit to process spontaneous multi-party speech with very little constraints on speakers, as opposed to close-talking microphones. Minimizing the constraints on speakers permits a large diversity of applications, including meeting summ ...

2007

Spatio-temporal analysis of spontaneous speech with microphone arrays

Guillaume Lathoud

Accurate detection, localization and tracking of multiple moving speakers permits a wide spectrum of applications. Techniques are required that are versatile, robust to environmental variations, and not constraining for non-technical end-users. Based on di ...

EPFL2007

Audio-visual probabilistic tracking of multiple speakers in meetings

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

Tracking speakers in multiparty conversations constitutes a fundamental task for automatic meeting analysis. In this paper, we present a probabilistic approach to jointly track the location and speaking activity of multiple speakers in a multisensor meetin ...

2006

Sector-Based Detection for Hands-Free Speech Enhancement in Cars

Guillaume Lathoud

Adaptation control of beamforming interference cancellation techniques is investigated for in-car speech acquisition. Two efficient adaptation control methods are proposed that avoid target cancellation. The ``implicit'' method varies the step-size continu ...

2006

Automatic Analysis of Multimodal Group Actions in Meetings

Samy Bengio, Mark Barnard, Guillaume Lathoud, Dong Zhang, Daniel Gatica-Perez

This paper investigates the recognition of group actions in meetings. A statistical framework is proposed in which group actions result from the interactions of the individual participants. The group actions are modelled using different HMM-based approache ...

2005

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