Enabling energy-Efficient object detection with surrogate gradient descent in spiking neural networks

• URL: http://arxiv.org/abs/2310.12985v1
• Date: Thu, 7 Sep 2023 15:48:00 GMT
• Title: Enabling energy-Efficient object detection with surrogate gradient descent in spiking neural networks
• Authors: Jilong Luo, Shanlin Xiao, Yinsheng Chen, Zhiyi Yu
• Abstract summary: Spiking Neural Networks (SNNs) are a biologically plausible neural network model with significant advantages in both event-driven processing and processing-temporal information. In this study, we introduce the Current Mean Decoding (CMD) method, which solves the regression problem to facilitate the training of deep SNNs for object detection tasks. Based on the gradient surrogate and CMD, we propose the SNN-YOLOv3 model for object detection.
• Score: 0.40054215937601956
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Spiking Neural Networks (SNNs) are a biologically plausible neural network model with significant advantages in both event-driven processing and spatio-temporal information processing, rendering SNNs an appealing choice for energyefficient object detection. However, the non-differentiability of the biological neuronal dynamics model presents a challenge during the training of SNNs. Furthermore, a suitable decoding strategy for object detection in SNNs is currently lacking. In this study, we introduce the Current Mean Decoding (CMD) method, which solves the regression problem to facilitate the training of deep SNNs for object detection tasks. Based on the gradient surrogate and CMD, we propose the SNN-YOLOv3 model for object detection. Our experiments demonstrate that SNN-YOLOv3 achieves a remarkable performance with an mAP of 61.87% on the PASCAL VOC dataset, requiring only 6 time steps. Compared to SpikingYOLO, we have managed to increase mAP by nearly 10% while reducing energy consumption by two orders of magnitude.

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