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ICASSP
2008
IEEE
14 years 4 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
ISBI
2007
IEEE
14 years 4 months ago
Fast Wavelet-Regularized Image Deconvolution
We present a modified version of the deconvolution algorithm introduced by Figueiredo and Nowak, which leads to a substantial acceleration. The algorithm essentially consists in ...
Cédric Vonesch, Michael Unser
MIRAGE
2007
Springer
14 years 4 months ago
A Note on the Discrete Binary Mumford-Shah Model
Abstract. This paper is concerned itself with the analysis of the twophase Mumford-Shah model also known as the active contour without edges model introduced by Chan and Vese. It c...
Jérôme Darbon
SCALESPACE
2007
Springer
14 years 4 months ago
Discrete Regularization on Weighted Graphs for Image and Mesh Filtering
We propose a discrete regularization framework on weighted graphs of arbitrary topology, which unifies image and mesh filtering. The approach considers the problem as a variation...
Sébastien Bougleux, Abderrahim Elmoataz, Ma...
DAC
1998
ACM
14 years 2 months ago
A Geographically Distributed Framework for Embedded System Design and Validation
The di culty of embedded system co-design is increasing rapidly due to the increasing complexity of individual parts, the variety of parts available and pressure to use multiple p...
Ken Hines, Gaetano Borriello