Journal
NEURAL PROCESSING LETTERS
Volume 53, Issue 6, Pages 4693-4710Publisher
SPRINGER
DOI: 10.1007/s11063-021-10562-2
Keywords
Spiking neural networks; Neural coding; Neuromorphic computing; Rate coding; Temporal coding
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Funding
- Projekt DEAL
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Biologically inspired spiking neural networks are popular in artificial intelligence due to their efficiency in solving complex problems, but industrial applications are hindered by the challenge of encoding incoming data. This paper summarizes signal encoding schemes and proposes a uniform nomenclature to clarify definitions, surveying theoretical foundations and applications.
Biologically inspired spiking neural networks are increasingly popular in the field of artificial intelligence due to their ability to solve complex problems while being power efficient. They do so by leveraging the timing of discrete spikes as main information carrier. Though, industrial applications are still lacking, partially because the question of how to encode incoming data into discrete spike events cannot be uniformly answered. In this paper, we summarise the signal encoding schemes presented in the literature and propose a uniform nomenclature to prevent the vague usage of ambiguous definitions. Therefore we survey both, the theoretical foundations as well as applications of the encoding schemes. This work provides a foundation in spiking signal encoding and gives an overview over different application-oriented implementations which utilise the schemes.
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