72 search results - page 7 / 15 » Margin-based discriminant dimensionality reduction for visua... |
159
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SPEECH
1998
15 years 5 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...
170
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NIPS
2008
15 years 7 months ago
2008
In solving complex visual learning tasks, adopting multiple descriptors to more precisely characterize the data has been a feasible way for improving performance. These representa...
152
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PAMI
2007
15 years 5 months ago
2007
—Over the past few decades, a large family of algorithms—supervised or unsupervised; stemming from statistics or geometry theory—has been designed to provide different soluti...
146
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ECCV
2008
Springer
16 years 7 months ago
2008
Springer
In patch-based object recognition, using a compact visual codebook can boost computational efficiency and reduce memory cost. Nevertheless, compared with a large-sized codebook, it...
174
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ICPR
2008
IEEE
16 years 12 days ago
2008
IEEE
This paper introduces a framework that employs the Fisher linear discriminant model (FLDM) and classifier (FLDC) on integrated facial appearance and facial expression features. T...