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ICASSP
2011
IEEE
14 years 10 months ago
Multistream speaker diarization through Information Bottleneck system outputs combination
Speaker diarization of meetings recorded with Multiple Distant Microphones makes extensive use of multiple feature streams like MFCC and Time Delay of Arrivals (TDOA). Typically t...
Deepu Vijayasenan, Fabio Valente, Petr Motlí...
CONTEXT
2005
Springer
15 years 8 months ago
Minimality and Non-determinism in Multi-context Systems
Multi-context systems can be used to represent contextual information and inter-contextual information flow. We show that the local model semantics of a multi-context system is co...
Floris Roelofsen, Luciano Serafini
PKDD
2009
Springer
196views Data Mining» more  PKDD 2009»
16 years 1 months ago
Causality Discovery with Additive Disturbances: An Information-Theoretical Perspective
We consider causally sufficient acyclic causal models in which the relationship among the variables is nonlinear while disturbances have linear effects, and show that three princi...
Kun Zhang, Aapo Hyvärinen
GLOBECOM
2008
IEEE
16 years 27 days ago
Optimum MIMO-OFDM Receivers with Imperfect Channel State Information
—Channel estimation inaccuracy is known to affect significantly the error performance of coded communication systems. This applies in particular to broadband MIMO channels, ofte...
Giulio Coluccia, Erwin Riegler, Christoph F. Meckl...
ICRA
2008
IEEE
140views Robotics» more  ICRA 2008»
16 years 27 days ago
Planning in information space for a quadrotor helicopter in a GPS-denied environment
— This paper describes a motion planning algorithm for a quadrotor helicopter flying autonomously without GPS. Without accurate global positioning, the vehicle’s ability to lo...
Ruijie He, Sam Prentice, Nicholas Roy