Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/68169
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dc.contributor.authorHe, Tong
dc.date.accessioned2016-05-24T07:41:47Z
dc.date.available2016-05-24T07:41:47Z
dc.date.issued2016
dc.identifier.urihttp://hdl.handle.net/10356/68169
dc.description.abstractThis article introduces a novel multi-layer Winner- Take-All (ML-WTA) spiking neural network (SNN) architecture using neurons with nonlinear dendrites and binary synapses. The network is trained by an unsupervised spike based learning rule that modifies the network connections. Inspired by the multi-layer models of human visual cortex and chunking learning, the proposed architecture contains multiple layers of neurons for learning the data by sequence. I show that if I increase the synaptic neuron time constant of the layers of the system in succession, the ML-WTA network is capable of inspecting the incoming patterns for a longer duration of time before providing a decision. Moreover, the decision could be made near the end of whole pattern with the aid of adaptive threshold mechanism. After the training is complete, a unique neuron of the last layer emits a spike for the same class of patterns. The results of three different benchmarks discussed in this article show that the proposed structural plasticity based WTA network is capable of classifying Poisson spike trains and the two layer structure has better performance in all three different benchmarks when sufficient neurons are employed.en_US
dc.format.extent60 p.en_US
dc.language.isoenen_US
dc.rightsNanyang Technological University
dc.subjectDRNTU::Engineering::Electrical and electronic engineering::Electronic systems::Biometricsen_US
dc.titleLow-power neuromorphic circuits for unsupervised spike based learningen_US
dc.typeFinal Year Project (FYP)en_US
dc.contributor.supervisorArindam Basuen_US
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.description.degreeBachelor of Engineeringen_US
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Appears in Collections:EEE Student Reports (FYP/IA/PA/PI)
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