Shape approximation of arc patterns using dynamic neural networks
Signal Processing
Skeletons from dot patterns: a neural network approach
Pattern Recognition Letters
Neural Networks - 2006 Special issue: Advances in self-organizing maps--WSOM'05
Shape recovery by a generalized topology preserving SOM
Neurocomputing
Neural Networks
SOM of SOMs: self-organizing map which maps a group of self-organizing maps
ICANN'05 Proceedings of the 15th international conference on Artificial Neural Networks: biological Inspirations - Volume Part I
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A method for generating a self-organizing map of line images is proposed. In the proposed method, called the NG×SOM, a set of data distributions is represented by a product space organized by a set of neural gas networks (NGs) and a self-organizing map (SOM). In this paper, it is assumed that the line images dealt with by the NG×SOM have the same, yet unknown, topology. Thus the task of the NG×SOM is to generate a map of line images with the same topology, in which the images are continuously and naturally morphed from one into another. We applied the NG×SOM to a handwritten character recognition task. The results obtained show that this method is effective, particularly when the number of training data is small.