Enhanced Temporal Processing in Spiking Neural Networks for Static Object Detection Using 3D Convolutions

• URL: http://arxiv.org/abs/2412.17654v1
• Date: Mon, 23 Dec 2024 15:32:26 GMT
• Title: Enhanced Temporal Processing in Spiking Neural Networks for Static Object Detection Using 3D Convolutions
• Authors: Huaxu He,
• Abstract summary: Spiking Neural Networks (SNNs) are a class of network models capable of processingtemporal information. This paper focuses on enhancing the SNNs unique ability to processtemporal information. To improve the SNN handling of temporal information, this paper proposes replacing traditional 2D convolutions with 3D convolutions.
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• Abstract: Spiking Neural Networks (SNNs) are a class of network models capable of processing spatiotemporal information, with event-driven characteristics and energy efficiency advantages. Recently, directly trained SNNs have shown potential to match or surpass the performance of traditional Artificial Neural Networks (ANNs) in classification tasks. However, in object detection tasks, directly trained SNNs still exhibit a significant performance gap compared to ANNs when tested on frame-based static object datasets (such as COCO2017). Therefore, bridging this performance gap and enabling directly trained SNNs to achieve performance comparable to ANNs on these static datasets has become one of the key challenges in the development of SNNs.To address this challenge, this paper focuses on enhancing the SNN's unique ability to process spatiotemporal information. Spiking neurons, as the core components of SNNs, facilitate the exchange of information between different temporal channels during the process of converting input floating-point data into binary spike signals. However, existing neuron models still have certain limitations in the communication of temporal information. Some studies have even suggested that disabling the backpropagation in the time dimension during SNN training can still yield good training results. To improve the SNN handling of temporal information, this paper proposes replacing traditional 2D convolutions with 3D convolutions, thus directly incorporating temporal information into the convolutional process. Additionally, temporal information recurrence mechanism is introduced within the neurons to further enhance the neurons' efficiency in utilizing temporal information.Experimental results show that the proposed method enables directly trained SNNs to achieve performance levels comparable to ANNs on the COCO2017 and VOC datasets.

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