A modular approach to training cascades of boosted ensembles

Authors:
Teo Susnjak;Andre L. Barczak;Ken A. Hawick
Affiliations:
Institute of Information and Mathematical Sciences, Massey University, Albany, New Zealand;Institute of Information and Mathematical Sciences, Massey University, Albany, New Zealand;Institute of Information and Mathematical Sciences, Massey University, Albany, New Zealand
Venue:
SSPR&SPR'10 Proceedings of the 2010 joint IAPR international conference on Structural, syntactic, and statistical pattern recognition
Year:
2010

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Abstract

Building on the ideas of Viola-Jones [1] we present a framework for training cascades of boosted ensembles (CoBE) which introduces further modularity and tractability to the training process. It addresses the challenges faced by CoBE frameworks such as protracted runtimes, slow layer convergences and classifier optimization. The framework possesses the ability to bootstrap positive samples and may in turn be extended into the domain of incremental learning. This paper aims to address our framework's susceptibility to overfitting with possible solutions. Experiments are conducted on face detectors using the bootstrapping of large positive datasets and their accuracy, with respect to overfitting, is examined.