Kernel laplacian eigenmaps for visualization of non-vectorial data

Authors:
Yi Guo;Junbin Gao;Paul W. H. Kwan
Affiliations:
School of Math, Stat. & Computer Science, University of New England, Armidale, Australia;School of Information Technology, Charles Sturt University, Bathurst, Australia;School of Math, Stat. & Computer Science, University of New England, Armidale, Australia
Venue:
AI'06 Proceedings of the 19th Australian joint conference on Artificial Intelligence: advances in Artificial Intelligence
Year:
2006

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Abstract

In this paper, we propose the Kernel Laplacian Eigenmaps for nonlinear dimensionality reduction. This method can be extended to any structured input beyond the usual vectorial data, enabling the visualization of a wider range of data in low dimension once suitable kernels are defined. Comparison with related methods based on MNIST handwritten digits data set supported the claim of our approach. In addition to nonlinear dimensionality reduction, this approach makes visualization and related applications on non-vectorial data possible.