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Surrogate Safety Analysis of Pedestrian-Vehicle Conflict at Intersections Using Unmanned Aerial Vehicle Videos
المؤلفون المشاركون
Chen, Peng
Yu, Guizhen
Zeng, Weiliang
Wang, Yunpeng
المصدر
Journal of Advanced Transportation
العدد
المجلد 2017، العدد 2017 (31 ديسمبر/كانون الأول 2017)، ص ص. 1-12، 12ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2017-05-18
دولة النشر
مصر
عدد الصفحات
12
التخصصات الرئيسية
الملخص EN
Conflict analysis using surrogate safety measures (SSMs) has become an efficient approach to investigate safety issues.
The state-of-the-art studies largely resort to video images taken from high buildings.
However, it suffers from heavy labor work, high cost of maintenance, and even security restrictions.
Data collection and processing remains a common challenge to traffic conflict analysis.
Unmanned Aerial Systems (UASs) or Unmanned Aerial Vehicles (UAVs), known for easy maneuvering, outstanding flexibility, and low costs, are considered to be a novel aerial sensor.
By taking full advantage of the bird’s eye view offered by UAV, this study, as a pioneer work, applied UAV videos for surrogate safety analysis of pedestrian-vehicle conflicts at one urban intersection in Beijing, China.
Aerial video sequences for a period of one hour were analyzed.
The detection and tracking systems for vehicle and pedestrian trajectory data extraction were developed, respectively.
Two SSMs, that is, Postencroachment Time (PET) and Relative Time to Collision (RTTC), were employed to represent how spatially and temporally close the pedestrian-vehicle conflict is to a collision.
The results of analysis showed a high exposure of pedestrians to traffic conflict both inside and outside the crosswalk and relatively risking behavior of right-turn vehicles around the corner.
The findings demonstrate that UAV can support intersection safety analysis in an accurate and cost-effective way.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Chen, Peng& Zeng, Weiliang& Yu, Guizhen& Wang, Yunpeng. 2017. Surrogate Safety Analysis of Pedestrian-Vehicle Conflict at Intersections Using Unmanned Aerial Vehicle Videos. Journal of Advanced Transportation،Vol. 2017, no. 2017, pp.1-12.
https://search.emarefa.net/detail/BIM-1170773
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Chen, Peng…[et al.]. Surrogate Safety Analysis of Pedestrian-Vehicle Conflict at Intersections Using Unmanned Aerial Vehicle Videos. Journal of Advanced Transportation No. 2017 (2017), pp.1-12.
https://search.emarefa.net/detail/BIM-1170773
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Chen, Peng& Zeng, Weiliang& Yu, Guizhen& Wang, Yunpeng. Surrogate Safety Analysis of Pedestrian-Vehicle Conflict at Intersections Using Unmanned Aerial Vehicle Videos. Journal of Advanced Transportation. 2017. Vol. 2017, no. 2017, pp.1-12.
https://search.emarefa.net/detail/BIM-1170773
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1170773
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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