车辆出行轨迹调查分析中的丢点轨迹还原  

Track patching method for incomplete track in track-oriented traffic survey and analysis

作　　者：王龙飞[1] 陈红[1] 李杨[1] 邓亚娟[1] 

机构地区：[1]长安大学公路学院交通工程研究所,西安710064

出　　处：《计算机应用研究》2014年第1期162-165,共4页Application Research of Computers

基　　金：国家自然科学基金资助项目(51208054);中央高校基本科研基金资助项目(CHD2011JC191)

摘　　要：针对利用车牌照生成车辆出行轨迹过程中由于车牌遗漏而产生的丢点轨迹问题,提出一种丢点轨迹还原方法。首先建立一次可达网络模型来描述调查点之间直接可达关系,并构建轨迹还原解集;考虑时距相符程度、路径模式匹配程度、路径曲折度指标,构造轨迹的效用函数,利用逼近理想解排序的TOPSIS法进行轨迹还原解集决策,得到最优的还原解。通过一个丢点轨迹示例进行了实验分析,结果表明,该方法可以得到满意的丢点还原解。This paper proposed a track patching method for incomplete track in the track-oriented traffic survey by plate number. Firstly, in order to illustrate the work mechanism of track-oriented traffic survey and analysis, it created a direct access network model and based on which constructed the track patching set. Secondly, considering the consistent degree of time distance relation, matching degree of route pattern, tortuous degree of route track, it constructed track utility function. Finally, it made optimal decision to the track patching set using TOPSIS method. An example of is carried out and the results verifies the feasibility of track patching method.

关 键 词：交通调查 车辆出行轨迹 轨迹还原 调查点 车牌照 

分 类 号：TP311.1[自动化与计算机技术—计算机软件与理论]