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Drivers’ Visual Search Patterns during Overtaking Maneuvers on Freeway

Drivers gather traffic information primarily by means of their vision. Especially during complicated maneuvers, such as overtaking, they need to perceive a variety of characteristics including the lateral and longitudinal distances with other vehicles, the speed of others vehicles, lane occupancy, a...

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Autores principales: Zhang, Wenhui, Dai, Jing, Pei, Yulong, Li, Penghui, Yan, Ying, Chen, Xinqiang
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5129369/
https://www.ncbi.nlm.nih.gov/pubmed/27869764
http://dx.doi.org/10.3390/ijerph13111159
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author Zhang, Wenhui
Dai, Jing
Pei, Yulong
Li, Penghui
Yan, Ying
Chen, Xinqiang
author_facet Zhang, Wenhui
Dai, Jing
Pei, Yulong
Li, Penghui
Yan, Ying
Chen, Xinqiang
author_sort Zhang, Wenhui
collection PubMed
description Drivers gather traffic information primarily by means of their vision. Especially during complicated maneuvers, such as overtaking, they need to perceive a variety of characteristics including the lateral and longitudinal distances with other vehicles, the speed of others vehicles, lane occupancy, and so on, to avoid crashes. The primary object of this study is to examine the appropriate visual search patterns during overtaking maneuvers on freeways. We designed a series of driving simulating experiments in which the type and speed of the leading vehicle were considered as two influential factors. One hundred and forty participants took part in the study. The participants overtook the leading vehicles just like they would usually do so, and their eye movements were collected by use of the Eye Tracker. The results show that participants’ gaze durations and saccade durations followed normal distribution patterns and that saccade angles followed a log-normal distribution pattern. It was observed that the type of leading vehicle significantly impacted the drivers’ gaze duration and gaze frequency. As the speed of a leading vehicle increased, subjects’ saccade durations became longer and saccade angles became larger. In addition, the initial and destination lanes were found to be key areas with the highest visual allocating proportion, accounting for more than 65% of total visual allocation. Subjects tended to more frequently shift their viewpoints between the initial lane and destination lane in order to search for crucial traffic information. However, they seldom directly shifted their viewpoints between the two wing mirrors.
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spelling pubmed-51293692016-12-11 Drivers’ Visual Search Patterns during Overtaking Maneuvers on Freeway Zhang, Wenhui Dai, Jing Pei, Yulong Li, Penghui Yan, Ying Chen, Xinqiang Int J Environ Res Public Health Article Drivers gather traffic information primarily by means of their vision. Especially during complicated maneuvers, such as overtaking, they need to perceive a variety of characteristics including the lateral and longitudinal distances with other vehicles, the speed of others vehicles, lane occupancy, and so on, to avoid crashes. The primary object of this study is to examine the appropriate visual search patterns during overtaking maneuvers on freeways. We designed a series of driving simulating experiments in which the type and speed of the leading vehicle were considered as two influential factors. One hundred and forty participants took part in the study. The participants overtook the leading vehicles just like they would usually do so, and their eye movements were collected by use of the Eye Tracker. The results show that participants’ gaze durations and saccade durations followed normal distribution patterns and that saccade angles followed a log-normal distribution pattern. It was observed that the type of leading vehicle significantly impacted the drivers’ gaze duration and gaze frequency. As the speed of a leading vehicle increased, subjects’ saccade durations became longer and saccade angles became larger. In addition, the initial and destination lanes were found to be key areas with the highest visual allocating proportion, accounting for more than 65% of total visual allocation. Subjects tended to more frequently shift their viewpoints between the initial lane and destination lane in order to search for crucial traffic information. However, they seldom directly shifted their viewpoints between the two wing mirrors. MDPI 2016-11-19 2016-11 /pmc/articles/PMC5129369/ /pubmed/27869764 http://dx.doi.org/10.3390/ijerph13111159 Text en © 2016 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Zhang, Wenhui
Dai, Jing
Pei, Yulong
Li, Penghui
Yan, Ying
Chen, Xinqiang
Drivers’ Visual Search Patterns during Overtaking Maneuvers on Freeway
title Drivers’ Visual Search Patterns during Overtaking Maneuvers on Freeway
title_full Drivers’ Visual Search Patterns during Overtaking Maneuvers on Freeway
title_fullStr Drivers’ Visual Search Patterns during Overtaking Maneuvers on Freeway
title_full_unstemmed Drivers’ Visual Search Patterns during Overtaking Maneuvers on Freeway
title_short Drivers’ Visual Search Patterns during Overtaking Maneuvers on Freeway
title_sort drivers’ visual search patterns during overtaking maneuvers on freeway
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5129369/
https://www.ncbi.nlm.nih.gov/pubmed/27869764
http://dx.doi.org/10.3390/ijerph13111159
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