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Published in:
2007 | OriginalPaper | Chapter
Building a Bridge Between Spiking and Artificial Neural Networks
Authors : Florian Kaiser, Fridtjof Feldbusch
Published in: Artificial Neural Networks – ICANN 2007
Publisher: Springer Berlin Heidelberg
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Spiking neural networks (SNN) are a promising approach for the detection of patterns with a temporal component. However they provide more parameters than conventional artificial neural networks (ANN) which make them hard to handle. Many error-gradient-based approaches work with a time-to-first-spike code because the explicit calculation of a gradient in SNN is - due to the nature of spikes - very difficult. In this paper, we present the estimation of such an error-gradient based on the gain function of the neurons. This is done by interpreting spike trains as rate codes in a given time interval. This way a bridge is built between SNN and ANN. This bridge allows us to train the SNN with the well-known error back-propagation algorithm for ANN.