Abstract
: A new approach to the serial multi-stage combination of classifiers is proposed. Each classifier in the sequence uses a smaller subset of features than the subsequent classifier. The classification provided by a classifier is rejected only if its decision is below a predefined confidence level. The approach is tested on a two-stage combination of k-Nearest Neighbour classifiers. The features to be used by the first classifier in the combination are selected by two stand-alone algorithms (Relief and Info-Fuzzy Network, or IFN) and a hybrid method, called ‘IFN + Relief’. The feature-based approach is shown empirically to provide a substantial decrease in the computational complexity, while maintaining the accuracy level of a single-stage classifier or even improving it.
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Received: 24 November 2000, Received in revised form: 30 November 2001, Accepted: 05 June 2002
ID="A1" Correspondence and offprint requests to: M. Last, Department of Information Systems Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel. Email: mlast@bgumail.bgu.ac.il
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Last, M., Bunke, H. & Kandel, A. A Feature-Based Serial Approach to Classifier Combination. Pattern Anal Appl 5, 385–398 (2002). https://doi.org/10.1007/s100440200034
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DOI: https://doi.org/10.1007/s100440200034