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信号交叉口左转车干扰下的行人过街特性

, PP. 62-67

Keywords: 交通运输系统工程,无专用左转相位,视频处理技术,人车干扰,干扰延误

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Abstract:

针对无专用左转相位情况,研究了人行横道处左转车干扰下的行人过街特性,采用视频图像处理技术对行人过街过程的全时空信息进行提取,分析了行人过街过程中受到干扰后的轨迹和速度等参数的变化规律。在此基础上,将左转机动车干扰下出现的典型行人过街行为归类,分析左转机动车及绿灯时间共同作用下的行人过街特性,最后统计由于左转机动车对行人过街行为刺激而导致的行人干扰延误值变化状况,研究成果可为交叉口行人过街的信号配时和左转相位的设置等提供依据。

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