A learning-based comprehensive evaluation model for traffic data quality in intelligent transportation systems
A learning-based comprehensive evaluation model for traffic data quality in intelligent transportation systems
复制标题
基于学习的智能交通系统交通数据质量综合评价模型
DOI:
10.1007/s11042-015-2676-4
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发表时间:
2016-10
影响因子:
3.6
通讯作者:
Yidong Li
中科院分区:
文献类型:
--
作者:
Yidong Li
Human motion modelling has attracted more and more attentions in various industrial fields with the event of information technology. Previous studies focus on capturing, animating, understanding and modelling human gestures or physical activities. However, in many applications such as Intelligent Transportation Systems (ITS), the traffic data quality (TDQ) is becoming a critical issue which can has great influence on the efficiency of the modelling. In this paper, we focus on evaluating the traffic data quality (TDQ) from the large amount of detectors and traffic flow data in the modelling of Intelligent Transportation Systems (ITS). We first introduce four error indices of an occupancy speed model and an occupancy flow model as model evaluation indices, and two indices from experts as non-model evaluation indices. Then, we propose a comprehensive evaluation model (CEM) for TDQ. Furthermore, we develop two algorithms for training the parameters in CEM based on the least square method (LSM) and the adaptive network based fuzzy inference system (ANFIS). We compare the proposed algorithms with the real-world traffic flow data which has been collected on Beijing ring-roads and connected lines. The experimental results show that the ANFIS-based learning method outperforms in most scenarios and ensures the evaluation error less than 10 %, which can significantly improve the efficiency of identifying traffic flow detectors with low data quality.
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DOI:
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发表时间:
2009
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