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178
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JMLR
2010
15 years 1 months ago
2010
The problem of automatic feature selection/weighting in kernel methods is examined. We work on a formulation that optimizes both the weights of features and the parameters of the ...
154
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
In this paper, we present an audio segmentation system for broadcast news, and its results in the Albayzín-2010 evaluation. First of all, the Albayzín-2010 evaluation setup, dev...
173
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
We propose a compressive method for tracking doubly selective channels within multicarrier systems, including OFDM systems. Using the recently introduced concept of modified comp...
183
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
This paper addresses the problem of speaker segmentation in two-speaker telephone conversations, using an eigenvoice based factor analysis approach. We present a set of improvemen...
183
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ECIR
2011
Springer
14 years 10 months ago
2011
Springer
Query-by-example video retrieval is receiving an increasing attention in recent years. One of the state-of-art approaches is the Bag-of-visual Words (BoW) based technique, where im...