Abstract
Eye tracking technology is often used in road safety research. Eye tracker are used during real and simulated driving to investigate driver’s behaviour. It is also used for assessing influence of new elements, like experimental road signs or road signs from different country, on driver’s behaviour and performance. However it should be noted that, the probability that the signs will be noticed cannot be solely assessed by eye tracking data. Therefore there is a need to complete the results with additional sources of data, eg questionnaire study. In the paper results of research concerning road signs perception carried out with 33 volunteers are presented. Twelve boards with different road situations in the form of photos taken from the driver's perspective were prepared. After the exposure, the volunteer answered questions about the memorized information presented on the road signs.
Highlights
Introduction and objectivesExperimental road signs, as new elements observed by drivers can attract attention for too long or too short time in comparison to the other road signs
The results of research carried out with eye-tracking are a valuable source of information on the perception of road signs, especially that it is possible to present real, not synthetic, as in the case of simulators, photographs depicting various types of road situations from the driver's perspective
The main advantage of using the eye tracking is the possibility of objective assessment of the concentration of the driver's attention on selected elements of the picture presenting the selected traffic situation
Summary
Experimental road signs, as new elements observed by drivers can attract attention for too long or too short time in comparison to the other road signs. In some research a driving simulator mock-up is used and the participants navigate through video from routes In those videos new traffic signs can be digitally implemented using specialized software for camera-tracking and 3D video-integration [6]. The eye tracking technology can be used to evaluate of driver distraction by unfamiliar road signs, eg. It is possible to support designing of new road signs with eye tracking technology. In such case the data from eye tracker is used to investigate driver reading patterns. The main aim of the conducted research was to determine the time which is devoted to road signs in the context of various traffic situations using eye-tracking [9]. Each of these road signs appeared in three different design variants differing in the scope of the presented data (each subsequent variant of the road sign contained more information than the previous one)
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