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WCNC
2010
IEEE
15 years 7 months ago
Distortion Exponents for Multi-Relay Cooperative Networks with Limited Feedback
— In this paper, we consider the transmission of a Gaussian source in a multi-relay cooperative network, where limited channel state feedback is combined with separate source and...
Jing Wang, Jie Liang, Sami Muhaidat
HRI
2007
ACM
15 years 7 months ago
Incremental learning of gestures by imitation in a humanoid robot
We present an approach to teach incrementally human gestures to a humanoid robot. The learning process consists of first projecting the movement data in a latent space and encodin...
Sylvain Calinon, Aude Billard
136
Voted
ICA
2007
Springer
15 years 7 months ago
Infinite Sparse Factor Analysis and Infinite Independent Components Analysis
Abstract. A nonparametric Bayesian extension of Independent Components Analysis (ICA) is proposed where observed data Y is modelled as a linear superposition, G, of a potentially i...
David Knowles, Zoubin Ghahramani
90
Voted
GLOBECOM
2009
IEEE
15 years 7 months ago
A Probabilistic Approach to Identifying the Number of Frequency Hoppers for Spectrum Sensing
Characterizing the number and type of transmitters occupying a given frequency band is a critical aspect of spectrum sensing specifically and cognitive radio generally. We present ...
Yuxing Han, Shaunak Joshi, Lillian Dai, Danijela C...
ICASSP
2009
IEEE
15 years 7 months ago
Dirichlet process mixture models with multiple modalities
The Dirichlet process can be used as a nonparametric prior for an infinite-dimensional probability mass function on the parameter space of a mixture model. The set of parameters o...
John William Paisley, Lawrence Carin