Position design of in-car information display based on eye movement analysis

doi:10.3785/j.issn.1008-973X.2020.04.005

Journal of ZheJiang University (Engineering Science)

2020, Vol. 54

Issue (4): 671-677 DOI: 10.3785/j.issn.1008-973X.2020.04.005

Mechanical Engineering，Electrical Engineering

Position design of in-car information display based on eye movement analysis

Long WANG(

),Sui-huai YU*(

),Jian-jie CHU

Shanxi Engineering Laboratory for Industrial Design, Northwestern Polytechnical University, Xi'an 710072, China

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Abstract

The position design of in-vehicle information display was analyzed in order to improve the safety of in-vehicle information display design. Five common positions of in-vehicle information display equipment were selected. The eye movement experiment was designed to simulate the task of information reading during driving by considering the relationship between driver's visual behavior and driving safety. The analysis and comparison of experimental data show that different in-vehicle information display positions will have a significant impact on the fixation frequency when the driver reads the information and the distribution of fixation data in the area of interest (AOI). The mean values of the fixation frequency, the percentage of fixation time in AOI and the percentage of fixations in AOI were analyzed and compared. The data of position 3 were highest in the 5 display positions selected in the experiment. Results showed that the participants were more focused on reading the information in position 3, and the visual deviation effect of the participants in position 3 was the least. Driver's visual deviation will cause distracted driving and threaten driving safety. The position design of in-vehicle information display will have a certain impact on driving safety.

Key words： in-vehicle information display position design distracted driving driving safety eye movement experiment

Received: 07 April 2019 Published: 05 April 2020

CLC:

R 857

Corresponding Authors: Sui-huai YU E-mail: wlcs91624@mail.nwpu.edu.cn;ysuihuai@vip.sina.com

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Cite this article:

Long WANG,Sui-huai YU,Jian-jie CHU. Position design of in-car information display based on eye movement analysis. Journal of ZheJiang University (Engineering Science), 2020, 54(4): 671-677.

URL:

http://www.zjujournals.com/eng/10.3785/j.issn.1008-973X.2020.04.005 OR http://www.zjujournals.com/eng/Y2020/V54/I4/671

基于眼动分析的车内信息显示位置设计

为了提高车内信息显示设计的安全性，针对车内信息显示的位置设计进行研究. 研究选取5个常见的车内信息显示设备的安放位置，依据驾驶员视觉行为与驾驶安全之间的关系，设计模拟驾驶员驾驶汽车时信息读取任务的眼动实验. 通过实验数据的分析比较可知，不同的车内信息显示位置会对驾驶员读取信息时的注视频率、注视数据在兴趣区域（AOI）内的分布产生显著影响. 分析和比较被试者完成信息读取任务时的注视频率、AOI内注视时间百分比、AOI内注视点百分比的均值可知，在实验选取的5个车内信息显示位置中位置3的数据均最高. 说明被试者读取实验位置3的信息时精力更集中，实验位置3对被试者产生视线偏离的影响最小. 由于驾驶员视线偏离会造成分心驾驶，威胁驾驶安全，车内信息显示位置设计会对驾驶安全产生一定的影响.

关键词： 车内信息显示, 位置设计, 分心驾驶, 驾驶安全, 眼动实验

Fig.1 ASL Eye-Trac6 eye tracking equipment

Fig.2 Image material processing

Fig.3 Image material of experiment

Fig.4 Eye tracking experiment

Fig.5 Position of digital appearance in image

Fig.6 Interval image

Fig.7 ASL Results Plus data processing

Tab.1 Homogeneity test of fixation data variance

Tab.2 Single factor ANOVA of fixation data

Fig.8 Average fixation frequency（95% confidence interval）

Fig.9 Set area of interest in ASL results plus

Tab.3 Homogeneity of variance test for data in AOI

Tab.4 Single factor ANOVA for data in AOI

Fig.10 Average percentage of fixations in AOI（95% confidence interval）

Fig.11 Average percentage of fixation duration in AOI（95% confidence interval）


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