arXiv:2412.10780cs.LG2024-12被引 3

用持续学习提升车辆驾驶行为识别,适应新司机和长期变化。

Continual Learning for Behavior-based Driver Identification

  • 采用持续学习框架,在不重新训练的前提下逐步适应新司机。
  • 最优方法仅比静态模型低2%准确率,远优于传统方法11%的损失。
  • 适合资源受限的车载系统或云端部署,支持长期稳定识别。

基于驾驶行为的司机识别是一种新兴技术,可通过独特驾驶习惯识别司机,应用于防盗和个性化驾驶体验。然而,现有研究未充分考虑车辆中深度学习模型部署的实际挑战:计算资源有限、需适应新司机以及行为随时间变化。本研究评估持续学习(CL)是否适配这些需求,其可在保留旧知识的同时以极低计算开销持续更新模型。我们在OCSLab数据集上测试了多种CL方法,覆盖三个渐增复杂度场景。结果表明,如DER等方法在动态环境下仅损失11%准确率;为此提出两种新方法SmooER和SmooDER,利用司机身份的时间连续性提升性能。其中SmooDER表现最佳,仅比静态模型低2%。研究证明,持续学习可有效应对动态环境下的司机识别挑战,适用于云平台或车载端部署。

原文摘要 · Abstract (English)

Behavior-based Driver Identification is an emerging technology that recognizes drivers based on their unique driving behaviors, offering important applications such as vehicle theft prevention and personalized driving experiences. However, most studies fail to account for the real-world challenges of deploying Deep Learning models within vehicles. These challenges include operating under limited computational resources, adapting to new drivers, and changes in driving behavior over time. The objective of this study is to evaluate if Continual Learning (CL) is well-suited to address these challenges, as it enables models to retain previously learned knowledge while continually adapting with minimal computational overhead and resource requirements. We tested several CL techniques across three scenarios of increasing complexity based on the well-known OCSLab dataset. This work provides an important step forward in scalable driver identification solutions, demonstrating that CL approaches, such as DER, can obtain strong performance, with only an 11% reduction in accuracy compared to the static scenario. Furthermore, to enhance the performance, we propose two new methods, SmooER and SmooDER, that leverage the temporal continuity of driver identity over time to enhance classification accuracy. Our novel method, SmooDER, achieves optimal results with only a 2% reduction compared to the 11\% of the DER approach. In conclusion, this study proves the feasibility of CL approaches to address the challenges of Driver Identification in dynamic environments, making them suitable for deployment on cloud infrastructure or directly within vehicles.

持续学习驾驶行为身份识别车载系统

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