publication . Article . Preprint . 2017

Eye tracker accuracy: quantitative evaluation of the invisible eye center location.

Wyder, Stephan; Cattin, Philippe C.;
Open Access
  • Published: 22 May 2017 Journal: International Journal of Computer Assisted Radiology and Surgery, volume 13, pages 1,651-1,660 (issn: 1861-6410, eissn: 1861-6429, Copyright policy)
  • Publisher: Springer Science and Business Media LLC
Abstract
We present a new method to evaluate the accuracy of an eye tracker-based eye localization system. Measuring the accuracy of an eye tracker’s primary intention, the estimated point of gaze, is usually done with volunteers and a set of fixation points used as ground truth. However, verifying the accuracy of the location estimate of a volunteer’s eye center in 3D space is not easily possible. This is because the eye center, the center of corneal curvature, is an intangible point. We evaluate the eye location accuracy by using an eye phantom instead of eyes of volunteers. For this, we developed a testing stage with a realistic artificial eye and a corresponding kine...
Subjects
Medical Subject Headings: genetic structureseye diseasessense organseducation
free text keywords: Surgery, Health Informatics, Radiology Nuclear Medicine and imaging, General Medicine, Imaging phantom, Navigation system, Computer vision, Medicine, business.industry, business, Localization system, Artificial intelligence, Eye tracking, Point of gaze, Kinematics, Ground truth, Computer Science - Human-Computer Interaction

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