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基于使用多源数据的编码器-解码器框架预测 jaywalker-车辆冲突
Ziqian Zhang1, Haojie Li1, Gang Ren1
1School of Transportation, Southeast University, China; Jiangsu Key Laboratory of Urban ITS, China; Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, China.
Accident; analysis and prevention
|November 26, 2023
概括
这项研究开发了一个新的AI模型来预测 jaywalker-车辆冲突的严重性. 该模型准确预测潜在的危险,提高行人和司机的道路安全.
科学领域:
- 道路安全工程工程 道路安全工程
- 交通运输中的人工智能
- 交通冲突分析分析
背景情况:
- 在中国,在没有指定十字路口的中区地区, jaywalker-vehicle (J-V) 冲突频繁且危险.
- 道路行走的不可预测性需要预测模型,以便及时向道路使用者发出警告.
研究的目的:
- 引入一种新的编码-解码框架,用于使用多源数据预测J-V冲突严重程度.
- 通过通过准确的严重程度预测提供冲突前警告来提高道路安全.
主要方法:
- 开发了一个新的编码器解码器框架,包含三个编码器:J-V交互 (Bi-LSTM), jaywalker运动 (Bi-LSTM) 和背景信息 (MLP).
- 这些编码器的特征被连接并输入到冲突严重性解码器 (MLP) 中进行预测.
- 一个案例研究使用来自中国南京三个中区的视频数据进行.
主要成果:
- 拟议的编码器-解码器模型在预测指标方面表现优于经典模型.
- 整合背景信息显著改善了模型的性能,在四个评估指标中平均提高了24.291%.
- 可转移性分析显示,当包括40%-50%来自新位置的数据时,预测指标稳定在80%至95%之间.
结论:
- 开发的编码器解码器模型为预测J-V冲突严重程度提供了强大的解决方案.
- 背景信息是提高JV冲突预测模型准确性的关键因素.
- 该模型表现出良好的可转移性,这表明其在提高路过安全性方面具有广泛应用的潜力.
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