Abstract
Spiking neural networks (SNNs) have gained a lot of attention and achievements recently because of their low-power advantages on neuromorphic hardware. However, training deep SNNs still requires a large number of labeled data which are expensive to obtain. To address this issue, we propose an effective Bio-inspired Active Learning (BAL) method in this paper to reduce the training cost of SNN models. Specifically, bio-inspired behavior patterns of spiking neurons are defined to represent the internal states of SNN models for active learning. Then, an active learning sample selection strategy is proposed by leveraging the empirical and generalization pattern divergence in SNNs. By labeling selected samples and adding them to training, behavioral patterns can be optimized to improve the performance of neural networks. Comprehensive experiments are conducted on the CIFAR-10, SVHN, and Fashion-MNIST datasets with various sample proportions. The experimental results demonstrate that the proposed BAL achieves state-of-the-arts performance in SNNs compared with the existing active learning methods.
Published Version
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