376 search results - page 58 / 76 » Supervised dimensionality reduction using mixture models |
SPEECH
1998
14 years 11 months ago
1998
We present the theory for heteroscedastic discriminant analysis (HDA), a model-based generalization of linear discriminant analysis (LDA) derived in the maximum-likelihood framewo...
CEC
2008
IEEE
15 years 6 months ago
2008
IEEE
— Since the Estimation of Distribution Algorithms (EDAs) have been introduced, several single model based EDAs and mixture model based EDAs have been developed. Take Gaussian mod...
ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
In this paper, we describe recent progress in i-vector based speaker verification. The use of universal background models (UBM) with full-covariance matrices is suggested and tho...
83
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CVPR
2001
IEEE
16 years 1 months ago
2001
IEEE
See a PPT file with videos at www.research.microsoft.com/users/jojic/FlexiblesSprites.htm We propose a technique for automatically learning layers of "flexible sprites" ...
121
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ICML
2007
IEEE
16 years 16 days ago
2007
IEEE
In this work we take a novel view of nonlinear manifold learning. Usually, manifold learning is formulated in terms of finding an embedding or `unrolling' of a manifold into ...