用仿生神经元编码生成含色彩的脉冲数据,提升类脑计算性能
Color Spike Data Generation via Bio-inspired Neuron-like Encoding with an Artificial Photoreceptor Layer
- 模仿生物神经元机制设计脉冲编码方法
- 加入人工感光层使脉冲携带颜色与亮度信息
- 符合类脑计算原则,适合脉冲神经网络研究者
近年来,脉冲神经网络(SNNs)通过与深度学习结合快速发展,但其性能仍落后于卷积神经网络(CNNs),主要因脉冲数据的信息容量有限。尽管已有研究尝试使用静态图像等非脉冲输入训练SNN,但这偏离了类脑计算以脉冲为核心信息处理的初衷。为此,我们提出一种仿生神经元编码方法,基于生物神经元的运行原理生成脉冲数据,并引入人工感光层,使脉冲信号同时承载颜色与亮度信息,形成完整的视觉脉冲信号。基于积分-放电神经元模型的实验表明,该方法有效提升了脉冲信号的信息量并改善了SNN性能,同时严格遵循类脑计算原则。该思路具有广阔发展潜力,有望突破当前类脑计算的瓶颈,推动SNN更广泛应用。
原文摘要 · Abstract (English)
In recent years, neuromorphic computing and spiking neural networks (SNNs) have ad-vanced rapidly through integration with deep learning. However, the performance of SNNs still lags behind that of convolutional neural networks (CNNs), primarily due to the limited information capacity of spike-based data. Although some studies have attempted to improve SNN performance by training them with non-spiking inputs such as static images, this approach deviates from the original intent of neuromorphic computing, which emphasizes spike-based information processing. To address this issue, we propose a Neuron-like Encoding method that generates spike data based on the intrinsic operational principles and functions of biological neurons. This method is further enhanced by the incorporation of an artificial pho-toreceptor layer, enabling spike data to carry both color and luminance information, thereby forming a complete visual spike signal. Experimental results using the Integrate-and-Fire neuron model demonstrate that this biologically inspired approach effectively increases the information content of spike signals and improves SNN performance, all while adhering to neuromorphic principles. We believe this concept holds strong potential for future development and may contribute to overcoming current limitations in neuro-morphic computing, facilitating broader applications of SNNs.
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