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ICASSP
2008
IEEE
16 years 1 months ago
Low-complexity receivers for multiuser detection with an unknown number of active users
In multiuser detection, the set of users active at any time may be unknown to the receiver. A two-step detection procedure, in which multiuser detection is preceded by active-user...
Daniele Angelosante, Ezio Biglieri
CVPR
2003
IEEE
15 years 12 months ago
Graph-Theoretic Approach to Clustering and Segmentation
We develop a framework for the image segmentation problem based on a new graph-theoretic formulation of clustering. The approach is motivated by the analogies between the intuitiv...
Massimiliano Pavan, Marcello Pelillo
ALP
1994
Springer
15 years 10 months ago
Compositional Analysis for Equational Horn Programs
Abstract. We introduce a compositional characterization of the operational semantics of equational Horn programs. Then we show that this semantics and the standard operational sema...
María Alpuente, Moreno Falaschi, Germ&aacut...
FOSSACS
2000
Springer
15 years 10 months ago
On Recognizable Stable Trace Languages
We relate several models of concurrency introduced in the literature in order to extend classical Mazurkiewicz traces. These are mainly Droste's concurrent automata and Arnold...
Jean-François Husson, Rémi Morin
AISB
2008
Springer
15 years 8 months ago
Substitution for Fraenkel-Mostowski foundations
Abstract. A fundamental and unanalysed logical concept is substitution. This seemingly innocuous operation -- substituting a variable for a term or valuating a variable to an eleme...
Murdoch Gabbay, Michael Gabbay