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» On enumerating all minimal solutions of feedback problems
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MP
2011
13 years 2 months ago
Null space conditions and thresholds for rank minimization
Minimizing the rank of a matrix subject to constraints is a challenging problem that arises in many applications in machine learning, control theory, and discrete geometry. This c...
Benjamin Recht, Weiyu Xu, Babak Hassibi
ISAAC
2005
Springer
89views Algorithms» more  ISAAC 2005»
14 years 27 days ago
Multi-source Trees: Algorithms for Minimizing Eccentricity Cost Metrics
We consider generalizations of the k-source sum of vertex eccentricity problem (k-SVET) and the k-source sum of source eccentricity problem (k-SSET) [1], which we call SDET and SSE...
Paraskevi Fragopoulou, Stavros D. Nikolopoulos, Le...
ICIP
2003
IEEE
14 years 20 days ago
Effective detection and elimination of impulsive noise with a minimal image smoothing
Impulsive noise filtering is an important problem of image processing. The problem of noise elimination in an image has a companion problem, the problem of maximal preservation of...
Igor N. Aizenberg, Jaakko Astola, Constantine Buta...
ICC
2008
IEEE
107views Communications» more  ICC 2008»
14 years 1 months ago
Minimum BER Transmit Beamforming for MIMO-OFDM Systems with Finite Rate Feedback
— In this paper, we consider minimum bit error rate (BER) beamforming (BF) for multiple–input multiple–output orthogonal frequency division multiplexing (MIMO–OFDM) systems...
Yang-wen Liang, Robert Schober, Wolfgang H. Gersta...
AVSS
2005
IEEE
14 years 1 months ago
Performance evaluation of event detection solutions: the CREDS experience
In video surveillance projects, automatic and realtime event detection solutions are required to guarantee an efficient and cost-effective use of the infrastructure. Many solution...
Francesco Ziliani, Sergio A. Velastin, Fatih Porik...