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ICASSP
2009
IEEE
16 years 1 months ago
A mixed time-scale algorithm for distributed parameter estimation : Nonlinear observation models and imperfect communication
Abstract— The paper considers the algorithm NLU for distributed (vector) parameter estimation in sensor networks, where, the local observation models are nonlinear, and inter-sen...
Soummya Kar, José M. F. Moura
ICTIR
2009
Springer
16 years 1 months ago
Score Distributions in Information Retrieval
We review the history of modeling score distributions, focusing on the mixture of normal-exponential by investigating the theoretical as well as the empirical evidence supporting i...
Avi T. Arampatzis, Stephen Robertson, Jaap Kamps
IVA
2009
Springer
16 years 1 months ago
Human-Centered Distributed Conversational Modeling: Efficient Modeling of Robust Virtual Human Conversations
Currently, applications that focus on providing conversations with virtual humans require extensive work to create robust conversational models. We present a new approach called Hu...
Brent Rossen, Scott Lind, Benjamin Lok
ICASSP
2008
IEEE
16 years 1 months ago
Distributed compressed sensing: Sparsity models and reconstruction algorithms using annihilating filter
Consider a scenario where a distributed signal is sparse and is acquired by various sensors that see different versions. Thus, we have a set of sparse signals with both some commo...
Ali Hormati, Martin Vetterli
ICC
2007
IEEE
203views Communications» more  ICC 2007»
16 years 1 months ago
Distributed Data Aggregation Using Clustered Slepian-Wolf Coding in Wireless Sensor Networks
—Slepian-Wolf coding is a promising distributed source coding technique that can completely remove the data redundancy caused by the spatially correlated observations in wireless...
Pu Wang, Cheng Li, Jun Zheng