Lightweight on-chip learning method and system based on spiking neural network, and processor
A technology of spiking neural network and learning method, applied in the field of lightweight on-chip learning method, system and processor, can solve the problem of low recognition rate of shallow spiking network, and achieve guaranteed performance, improved recognition effect, and increased computing rate. Effect
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[0041] The light-weight on-chip learning method based on the pulse neural network in the embodiment of the present invention is applied to picture recognition;
[0042] First, the input image is rate-encoded, and the static frame image is converted into a pulse form. Each pixel is regarded as a pre-synaptic neuron. Compare,.
[0043] On the other hand, the output layer neurons of the spiking neural network use Leaky Integrate-and-Fire (LIF) neurons, that is, post-synaptic neurons, and pre-synaptic neurons and post-synaptic neurons are fully connected The pulses emitted by presynaptic neurons are called presynaptic pulses, and the pulses emitted by postsynaptic neurons are called postsynaptic pulses.
[0044] The network topology used in this embodiment is as follows figure 1 As shown, the input nodes (Input nodes) in the figure correspond to each pixel, and the output layer (Output layer) is a 16×16 two-dimensional network topology. As shown in the figure, the Input nodes an...
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