Adversarially Robust Spiking Neural Networks with Sparse Connectivity

• URL: http://arxiv.org/abs/2505.15833v1
• Date: Fri, 16 May 2025 07:52:51 GMT
• Title: Adversarially Robust Spiking Neural Networks with Sparse Connectivity
• Authors: Mathias Schmolli, Maximilian Baronig, Robert Legenstein, Ozan Özdenizci,
• Abstract summary: We introduce a neural network conversion algorithm designed to produce sparse and adversarially robust spiking neural networks (SNNs)<n>Our approach combines the energy-efficient architecture of SNNs with a novel conversion algorithm, leading to enhanced energy and memory efficiency through sparse connectivity and activations.<n>Our models are shown to achieve up to 100x reduction in the number of weights to be stored in memory, with an estimated 8.6x increase in energy efficiency compared to dense SNNs.
• Score: 13.220581846415957
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Deployment of deep neural networks in resource-constrained embedded systems requires innovative algorithmic solutions to facilitate their energy and memory efficiency. To further ensure the reliability of these systems against malicious actors, recent works have extensively studied adversarial robustness of existing architectures. Our work focuses on the intersection of adversarial robustness, memory- and energy-efficiency in neural networks. We introduce a neural network conversion algorithm designed to produce sparse and adversarially robust spiking neural networks (SNNs) by leveraging the sparse connectivity and weights from a robustly pretrained artificial neural network (ANN). Our approach combines the energy-efficient architecture of SNNs with a novel conversion algorithm, leading to state-of-the-art performance with enhanced energy and memory efficiency through sparse connectivity and activations. Our models are shown to achieve up to 100x reduction in the number of weights to be stored in memory, with an estimated 8.6x increase in energy efficiency compared to dense SNNs, while maintaining high performance and robustness against adversarial threats.

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