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GLOBECOM
2006
IEEE
14 years 2 months ago
Rateless Codes for the Gaussian Multiple Access Channel
Abstract— We consider communication over the Gaussian multiple access channel (MAC) with unknown set of active users. The proposed multiple access strategy is distributed and ach...
Urs Niesen, Uri Erez, Devavrat Shah, Gregory W. Wo...
IJAR
2008
98views more  IJAR 2008»
13 years 8 months ago
Fuzzy region connection calculus: Representing vague topological information
Qualitative spatial information plays a key role in many applications. While it is well-recognized that all but a few of these applications deal with spatial information that is a...
Steven Schockaert, Martine De Cock, Chris Cornelis...
EJC
2002
13 years 7 months ago
Bases in Orlik-Solomon Type Algebras
The Orlik-Solomon algebra of a matroid M is the quotient of the exterior algebra on the points by the ideal (M) generated by the boundaries of the circuits of the matroid. There i...
David Forge
AMFG
2003
IEEE
151views Biometrics» more  AMFG 2003»
14 years 1 months ago
Illumination Modeling and Normalization for Face Recognition
In this paper, we present a general framework for face modeling under varying lighting conditions. First, we show that a face lighting subspace can be constructed based on three o...
Haitao Wang, Stan Z. Li, Yangsheng Wang, Weiwei Zh...
DGCI
2009
Springer
13 years 11 months ago
A Linear Time and Space Algorithm for Detecting Path Intersection
For discrete sets coded by the Freeman chain describing their contour, several linear algorithms have been designed for determining their shape properties. Most of them are based ...
Srecko Brlek, Michel Koskas, Xavier Provenç...