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Distance-preserving projection of high-dimensional data for nonlinear dimensionality reduction

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1 Author(s)
Li Yang ; Dept. of Comput. Sci., Western Michigan Univ., Kalamazoo, MI, USA

A distance-preserving method is presented to map high-dimensional data sequentially to low-dimensional space. It preserves exact distances of each data point to its nearest neighbor and to some other near neighbors. Intrinsic dimensionality of data is estimated by examining the preservation of interpoint distances. The method has no user-selectable parameter. It can successfully project data when the data points are spread among multiple clusters. Results of experiments show its usefulness in projecting high-dimensional data.

Published in:

IEEE Transactions on Pattern Analysis and Machine Intelligence  (Volume:26 ,  Issue: 9 )