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TSP
2010
14 years 4 months ago
DOA estimation of quasi-stationary signals with less sensors than sources and unknown spatial noise covariance: a Khatri-Rao sub
In real-world applications such as those for speech and audio, there are signals that are nonstationary but can be modeled as being stationary within local time frames. Such signal...
Wing-Kin Ma, Tsung-Han Hsieh, Chong-Yung Chi
ICASSP
2011
IEEE
14 years 1 months ago
An extension of the ICA model using latent variables
The Independent Component Analysis (ICA) model is extended to the case where the components are not necessarily independent: depending on the value a hidden latent process at the ...
Selwa Rafi, Marc Castella, Wojciech Pieczynski
FPL
2004
Springer
75views Hardware» more  FPL 2004»
15 years 3 months ago
Multiple Restricted Multiplication
Abstract. This paper focuses on a class of problem relating to the multiplication of a single number by several coefficients that, while not constant, are drawn from a finite set ...
Nalin Sidahao, George A. Constantinides, Peter Y. ...
ICALP
1990
Springer
15 years 1 months ago
Determining the Separation of Preprocessed Polyhedra - A Unified Approach
We show how (now familiar) hierarchical representations of (convex) polyhedra can be used to answer various separation queries efficiently (in a number of cases, optimally). Our e...
David P. Dobkin, David G. Kirkpatrick
NIPS
2008
14 years 11 months ago
Continuously-adaptive discretization for message-passing algorithms
Continuously-Adaptive Discretization for Message-Passing (CAD-MP) is a new message-passing algorithm for approximate inference. Most message-passing algorithms approximate continu...
Michael Isard, John MacCormick, Kannan Achan