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MA
2010
Springer
107views Communications» more  MA 2010»
15 years 5 months ago
The multiple hybrid bootstrap - Resampling multivariate linear processes
The paper reconsiders the autoregressive aided periodogram bootstrap (AAPB) which has been suggested in Kreiß and Paparoditis (2003). Their idea was to combine a time domain param...
Carsten Jentsch, Jens-Peter Kreiss
VTC
2010
IEEE
140views Communications» more  VTC 2010»
15 years 5 months ago
Analysis of Local Quasi-Stationarity Regions in an Urban Macrocell Scenario
—A common simplification in the treatment of random linear channels is the wide-sense stationary and uncorrelated scattering (WSSUS) assumption. For wireless channels, this assu...
Adrian Ispas, Gerd Ascheid, Christian Schneider, R...
ICASSP
2010
IEEE
15 years 5 months ago
Clap your hands! Calibrating spectral subtraction for dereverberation
Reverberation effects as observed by room microphones severely degrade the performance of automatic speech recognition systems. We investigate the use of dereverberation by spectr...
Uwe Zah, Korbinian Riedhammer, Tobias Bocklet, Elm...
EMNLP
2009
15 years 4 months ago
Clustering to Find Exemplar Terms for Keyphrase Extraction
Keyphrases are widely used as a brief summary of documents. Since manual assignment is time-consuming, various unsupervised ranking methods based on importance scores are proposed...
Zhiyuan Liu, Peng Li, Yabin Zheng, Maosong Sun
CORR
2010
Springer
143views Education» more  CORR 2010»
15 years 4 months ago
CUR from a Sparse Optimization Viewpoint
The CUR decomposition provides an approximation of a matrix X that has low reconstruction error and that is sparse in the sense that the resulting approximation lies in the span o...
Jacob Bien, Ya Xu, Michael W. Mahoney