Leaky integrate-and-fire neuron circuit based on floating-gate - - PowerPoint PPT Presentation

leaky integrate and fire neuron circuit based on floating
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Leaky integrate-and-fire neuron circuit based on floating-gate - - PowerPoint PPT Presentation

Leaky integrate-and-fire neuron circuit based on floating-gate integrator Vladimir Kornijcuk, Hyungkwang Lim, and Doo Seok Jeong Korea Institute of Science and Technology dsjeong@kist.re.kr 1 Stochastic spiking neural network abstracts features


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Leaky integrate-and-fire neuron circuit based on floating-gate integrator

Vladimir Kornijcuk, Hyungkwang Lim, and Doo Seok Jeong Korea Institute of Science and Technology

dsjeong@kist.re.kr

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Stochastic spiking neural network abstracts features essential to recognition from raw input

. . . . . .

In ∈ MN1 Out ∈ MNl

(Nl < N1) In Out

Time Voltage

P(In|Out)

P

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Stochasticity in neuronal response is essential to stochastic SNN

Time Output t1 t2 tN … Time Input

T Stochasticity: variability in interspike interval (ISI)

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Floating-gate leaky integrate-and-fire (FGLIF) neuron circuit

Integrator Amplifier1 Amplifier2 Polarity inverter (reset) Circuit simulation: LTSpice (BSIM 4 model: 65 nm technology) Kornijcuk et al., Front. Neurosci. 10, 212, 2016

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FGLIF neuron spikes upon incident spikes

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Stochasticity is on the ground of noise, e.g. thermal, burst, and flicker noise

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Thank you very much!