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» On the Optimality of the Dimensionality Reduction Method
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AAAI
2007
14 years 11 months ago
Isometric Projection
Recently the problem of dimensionality reduction has received a lot of interests in many fields of information processing. We consider the case where data is sampled from a low d...
Deng Cai, Xiaofei He, Jiawei Han
PRL
2008
95views more  PRL 2008»
14 years 9 months ago
Semi-supervised learning by search of optimal target vector
We introduce a semi-supervised learning estimator which tends to the first kernel principal component as the number of labeled points vanishes. We show application of the proposed...
Leonardo Angelini, Daniele Marinazzo, Mario Pellic...
ICASSP
2009
IEEE
15 years 4 months ago
An information geometric approach to supervised dimensionality reduction
Due to the curse of dimensionality, high-dimensional data is often pre-processed with some form of dimensionality reduction for the classification task. Many common methods of su...
Kevin M. Carter, Raviv Raich, Alfred O. Hero
APPROX
2008
Springer
83views Algorithms» more  APPROX 2008»
14 years 11 months ago
Near Optimal Dimensionality Reductions That Preserve Volumes
Avner Magen, Anastasios Zouzias