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Utilizing Fused Features to Mine Unknown Clusters in Training Data

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2 Author(s)
Robert S. Lynch ; Signal Processing Branch, Naval Undersea Warfare Center, Newport, RI, U.S.A. ; Peter K. Willett

In this paper, a previously introduced data mining technique, utilizing the mean field Bayesian data reduction algorithm (BDRA), is extended for use in finding unknown data clusters in a fused multidimensional feature space. In the BDRA the modeling assumption is that the discrete symbol probabilities of each class are a priori uniformly Dirichlet distributed, and where the primary metric for selecting and discretizing all relevant features is an analytic formula for the probability of error conditioned on the training data. In extending the BDRA for this application, notice that its built-in dimensionality reduction aspects are exploited for isolating and automatically sorting out and mining all points contained in each unknown data cluster. To illustrate performance, results are demonstrated using simulated data containing multiple clusters, and where the fused feature space contains relevant classification information

Published in:

2006 9th International Conference on Information Fusion

Date of Conference:

10-13 July 2006