采用微观模拟方法研究行人自动检测错误对信号交叉口运行的影响

Slavica Gavric, Ismet Göksad Erdagi, Daniel Rodriguez, Aleksandar Stevanovic
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引用次数: 0

摘要

许多研究都对视频检测系统进行了评估,但行人自动视频检测系统(APVDS)却没有受到如此多的关注。虽然一些研究人员已经评估了行人自动视频检测系统的准确性,但没有人量化行人误报或漏报对关键车辆和行人性能指标的影响。为了填补这一空白,本研究引入了一种基于微观模拟的方法,来分析漏报和误报行人呼叫对信号交叉口运行的影响。该方法采用模拟输入,模仿现场的各种检测场景,使分析具有更大的灵活性。此外,该研究还比较了不同操作策略下错误呼叫的影响,包括带或不带控制器行人回收功能的 APVDS、行人回收操作以及带或不带行人回收功能的普通按钮操作。研究结果表明,建议的微观模拟方法是未来研究的重要工具,特别是考虑到具体地点的特殊性,误呼和漏呼的比例取决于当地条件。研究表明,所分析的两个 APVDS 系统都不够成熟,不能作为独立的选择。微观模拟结果表明,尽管单摄像头视频检测系统(VDS)似乎比双摄像头视频检测系统(VDS)更安全,但与行人召回操作相比,单摄像头视频检测系统未能在行人和车辆延误方面带来任何好处。这项研究可能具有实际意义,因为交通机构可以利用建议的微观模拟方法来有效评估 APVDS。了解 APVDS 的优势和局限性有助于交通机构在知情的情况下实施 APVDS。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Microsimulation Approach to Investigate the Impact of Incorrect Automated Pedestrian Detection on the Operation of Signalized Intersections
Numerous studies have assessed video detection systems, but automated pedestrian video detection systems (APVDS) have not received as much attention. Although some researchers have evaluated the accuracy of APVDS, none quantified the consequential effects that false or missed pedestrian calls have on critical vehicular and pedestrian performance metrics. To address this gap, this study introduces a microsimulation-based approach to analyze the impact of missed and false pedestrian calls on signalized intersection operation. This method employs simulation inputs that mimic various detection scenarios from the field, allowing for greater flexibility in analysis. Additionally, the study compares the impacts of incorrect calls under different operational strategies, including APVDS with and without the pedestrian recycle feature of the controller, pedestrian recall operations, and common push-button operations with or without pedestrian recycle. Results show that the proposed microsimulation approach is a valuable tool for future studies, especially considering the idiosyncratic nature of specific sites where the percentage of false and missed calls depends on local conditions. The study reveals that neither of the two analyzed APVDS systems is mature enough to work as a standalone option. Microsimulation results show that even though the single-camera video detection system (VDS) appears to be a safer option than the double-camera VDS, it fails to provide any benefits in pedestrian and vehicular delay over the pedestrian recall operations. This research may be of practical significance as transportation agencies could utilize the proposed microsimulation approach to evaluate APVDSs effectively. Knowing the strengths and limits of APVDS can help agencies make informed implementations.
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