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Title: Two view learning: SVM-2K, theory and practice
Authors: Farquhar, J
Hardoon, DR
Meng, H
Shawe-Taylor, J
Szedmák, S
Keywords: High dimensional feature spaces;Relevant subspaces;Canonical Correlation Analysis (KCCA)
Issue Date: 2005
Publisher: School of Electronics and Computer Science, University of Southampton, Southampton, England, 2005
Abstract: Kernel methods make it relatively easy to define complex highdimensional feature spaces. This raises the question of how we can identify the relevant subspaces for a particular learning task. When two views of the same phenomenon are available kernel Canonical Correlation Analysis (KCCA) has been shown to be an effective preprocessing step that can improve the performance of classification algorithms such as the Support Vector Machine (SVM). This paper takes this observation to its logical conclusion and proposes a method that combines this two stage learning (KCCA followed by SVM) into a single optimisation termed SVM-2K. We present both experimental and theoretical analysis of the approach showing encouraging results and insights.
Appears in Collections:Dept of Electronic and Computer Engineering Research Papers

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