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CISS
2010
IEEE
14 years 1 months ago
Compressive sampling for streaming signals with sparse frequency content
Abstract—Compressive sampling (CS) has emerged as significant signal processing framework to acquire and reconstruct sparse signals at rates significantly below the Nyquist rate...
Petros Boufounos, M. Salman Asif
ICASSP
2010
IEEE
14 years 8 months ago
Efficient online learning with individual learning-rates for phoneme sequence recognition
We describe a fast and efficient online algorithm for phoneme sequence speech recognition. Our method is using a discriminative training to update the model parameters one utteran...
Koby Crammer
DATE
2003
IEEE
103views Hardware» more  DATE 2003»
15 years 3 months ago
Reduced Delay Uncertainty in High Performance Clock Distribution Networks
The design of clock distribution networks in synchronous digital systems presents enormous challenges. Controlling the clock signal delay in the presence of various noise sources,...
Dimitrios Velenis, Marios C. Papaefthymiou, Eby G....
GECCO
2009
Springer
156views Optimization» more  GECCO 2009»
15 years 4 months ago
Characterizing the genetic programming environment for fifth (GPE5) on a high performance computing cluster
Solving complex, real-world problems with genetic programming (GP) can require extensive computing resources. However, the highly parallel nature of GP facilitates using a large n...
Kenneth Holladay
ICASSP
2008
IEEE
15 years 4 months ago
A GIS-like training algorithm for log-linear models with hidden variables
Conditional Random Fields (CRFs) are often estimated using an entropy based criterion in combination with Generalized Iterative Scaling (GIS). GIS offers, upon others, the immedi...
Georg Heigold, Thomas Deselaers, Ralf Schlüte...