基于视频的行人过街速度特性

吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (02): 298-303.

基于视频的行人过街速度特性

赵莹莹, 曲昭伟, 江晟, 胡宏宇, 胡金辉

吉林大学交通学院, 长春 130022

收稿日期:2012-03-28 出版日期:2013-03-01 发布日期:2013-03-01
通讯作者: 胡宏宇(1982-),男,讲师,博士.研究方向:交通控制,视频检测.E-mail:huhongyu@jlu.edu.cn E-mail:huhongyu@jlu.edu.cn
作者简介:赵莹莹(1984-),女,博士研究生.研究方向:视频检测,交通控制.E-mail:zhaoyy0726@jlu.edu.cn
基金资助:
国家自然科学基金项目(51108208);博士后科学基金面上项目(20110491307);吉林大学科学前沿与交叉学科创新项目(201103146).

Pedestrian crossing speed characteristic based on video detection

ZHAO Ying-ying, QU Zhao-wei, JIANG Sheng, HU Hong-yu, HU Jin-hui

College of Transportation, Jilin University, Changchun 130022, China

Received:2012-03-28 Online:2013-03-01 Published:2013-03-01

摘要/Abstract

摘要： 针对传统人工调查法难以获取行人过街瞬时速度特性等问题,利用视频检测技术提取了行人过街轨迹。引入中心偏移量改进了共线标定算法,实现了轨迹的标定和还原。在此基础上,利用提取的真实行人过街轨迹获取了行人过街平均速度和瞬时速度的特性及其分布曲线。考虑到年龄对行人过街速度的影响,将行人过街情况进行了分类。对各组的速度特性和瞬时速度特性进行了研究,分析了其产生的原因。本文为行人过街设施的设置和行人过街信号配时的确定提供了参考。

关键词: 交通运输系统工程, 智能交通系统, 视频检测, 行人过街, 速度特性

Abstract: In light of the problem that the traditional manual investigation method is hard to get the instantaneous speed characteristic of pedestrian street crossing, the video detection technique was used to extract the pedestrian crossing trajectory. The center offset concept was introduced to improve the co-linear calibrition algorithm, and the good calibration and restoration of the trajectory were realized. The average speed of the pedestrian street crossing and its characteristic of distribution curve of instantaneous speed of pedestrian crossing were obtained using the extracted real pedestrian crossing trajectory. Considering the influence of pedestrian age on crossing speed, the pedestrian crossing behavior was classified into groups. The characteristics of speed and its distribution were extracted for each group, and the causes for difference were analyzed. The results provided a reference for the installation of pedestrian facilities and timing of the pedestrian street crossing signals.

Key words: engineering of communications and transportation system, intelligent transportation system, video detection, pedestrian street crossing, speed characteristic

中图分类号:

U121

赵莹莹, 曲昭伟, 江晟, 胡宏宇, 胡金辉. 基于视频的行人过街速度特性[J]. 吉林大学学报(工学版), 2013, 43(02): 298-303.

ZHAO Ying-ying, QU Zhao-wei, JIANG Sheng, HU Hong-yu, HU Jin-hui. Pedestrian crossing speed characteristic based on video detection[J]. 吉林大学学报(工学版), 2013, 43(02): 298-303.

参考文献

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[7] 郭宏伟,高自友,赵小梅. 基于持续模型的行人过街行为[J].吉林大学学报:工学版,2009,39(增刊2):35-40. Guo Hong-wei, Gao Zi-you, Zhao Xiao-mei. Pedestrian crossing behaviors based on duration model[J]. Journal of Jilin University(Engineering and Technology Edition), 2009,39(Sup.2):35-40.

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