Fusing Neural Networks Through Space Partitioning and Fuzzy Integration

Authors:
Antonas Verikas;Arunas Lipnickas
Affiliations:
Intelligent Systems Laboratory, Halmstad University, Box 823, S-301 18, Halmstad, Sweden. E-mail: antanas.verikas@ide.hh.se;Department of Applied Electronics, Kaunas University of Technology, LT-3031, Kaunas, Lithuania.
Venue:
Neural Processing Letters
Year:
2002

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Abstract

To improve recognition results, decisions of multiple neural networks can be aggregated into a committee decision. Aggregation weights assigned to neural networks or groups of networks can be the same in the entire data space or can be different (data dependent) in various regions of the space. In this paper, we propose a method for obtaining data dependent aggregation weights. The proposed approach is tested in two aggregation schemes, namely aggregation through neural network selection, and aggregation by the Choquet integral with respect to the λ-fuzzy measure. The effectiveness of the approach is demonstrated on two artificial and three real data sets.