A method to compensate head movements for mobile eye tracker using invisible markers

Rie Osawa, Susumu Shirayama


Although mobile eye-trackers have wide measurement range of gaze, and high flexibility, it is difficult to judge what a subject is actually looking at based only on obtained coordinates, due to the influence of head movement. In this paper, a method to compensate for head movements while seeing the large screen with mobile eye-tracker is proposed, through the use of NIR-LED markers embedded on the screen. The head movements are compensated by performing template matching on the images of view camera to detect the actual eye position on the screen. As a result of the experiment, the detection rate of template matching was 98.6%, the average distance between the actual eye position and the corrected eye position was approximately 16 pixels for the projected image (1920 x 1080).


eye movements; gaze behavior; eye tracking; head movements; qualitative evaluation; invisible marker; autonomous vehicle

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DOI: http://dx.doi.org/10.16910/jemr.11.1.2


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