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SPEECH
2011
13 years 4 months ago
Discrimination of speech from nonspeeech in broadcast news based on modulation frequency features
We describe a content based speech discrimination algorithm in broadcast news based on the time-varying information provided by the modulation spectrum. Due to the varying degrees...
Maria E. Markaki, Yannis Stylianou
TIT
2002
64views more  TIT 2002»
13 years 9 months ago
Performance of blind and group-blind multiuser detectors
Abstract--In blind and group-blind multiuser detection, different detectors can be designed using either the sample data covariance matrix directly or its eigencomponents. Due to f...
Anders Høst-Madsen, Xiaodong Wang
ICDAR
2009
IEEE
13 years 7 months ago
Comparative Study of Devnagari Handwritten Character Recognition Using Different Feature and Classifiers
In recent years research towards Indian handwritten character recognition is getting increasing attention. Many approaches have been proposed by the researchers towards handwritte...
Umapada Pal, Tetsushi Wakabayashi, Fumitaka Kimura
WIRN
2005
Springer
14 years 3 months ago
Ensembles Based on Random Projections to Improve the Accuracy of Clustering Algorithms
We present an algorithmic scheme for unsupervised cluster ensembles, based on randomized projections between metric spaces, by which a substantial dimensionality reduction is obtai...
Alberto Bertoni, Giorgio Valentini
EJWCN
2010
237views more  EJWCN 2010»
13 years 4 months ago
A Secure Localization Approach against Wormhole Attacks Using Distance Consistency
Abstract--Wormhole attacks can negatively affect the localization in wireless sensor networks. A typical wormhole attack can be launched by two colluding attackers, one of which sn...
Honglong Chen, Wei Lou, Xice Sun, Zhi Wang