Hybrid Quaternionic Hopfield Neural Network

Masaki KOBAYASHI

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Summary :

In recent years, applications of complex-valued neural networks have become wide spread. Quaternions are an extension of complex numbers, and neural networks with quaternions have been proposed. Because quaternion algebra is non-commutative algebra, we can consider two orders of multiplication to calculate weighted input. However, both orders provide almost the same performance. We propose hybrid quaternionic Hopfield neural networks, which have both orders of multiplication. Using computer simulations, we show that these networks outperformed conventional quaternionic Hopfield neural networks in noise tolerance. We discuss why hybrid quaternionic Hopfield neural networks improve noise tolerance from the standpoint of rotational invariance.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E98-A No.7 pp.1512-1518
Publication Date
2015/07/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E98.A.1512
Type of Manuscript
PAPER
Category
Nonlinear Problems

Authors

Masaki KOBAYASHI
  University of Yamanashi

Keyword

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