Adaptively Growing Hierarchical Mixtures of Experts - Robotics Institute Carnegie Mellon University

Adaptively Growing Hierarchical Mixtures of Experts

Jurgen Fritsch, Michael Finke, and Alex Waibel
Conference Paper, Proceedings of (NeurIPS) Neural Information Processing Systems, pp. 459 - 465, December, 1996

Abstract

We propose a novel approach to automatically growing and pruning Hierarchical Mixtures of Experts. The constructive algorithm proposed here enables large hierarchies consisting of several hundred experts to be trained effectively. We show that HME's trained by our automatic growing procedure yield better generalization performance than traditional static and balanced hierarchies. Evaluation of the algorithm is performed (1) on vowel classification and (2) within a hybrid version of the JANUS [9] speech recognition system using a subset of the Switchboard large-vocabulary speaker-independent continuous speech recognition database.

BibTeX

@conference{Fritsch-1996-16272,
author = {Jurgen Fritsch and Michael Finke and Alex Waibel},
title = {Adaptively Growing Hierarchical Mixtures of Experts},
booktitle = {Proceedings of (NeurIPS) Neural Information Processing Systems},
year = {1996},
month = {December},
pages = {459 - 465},
}