A cheap portable eye-tracker solution for common setups

  • Onur Ferhat Universitat Autonoma de Barcelona, Spain
  • Fernando Vilarino Universitat Autonoma de Barcelona, Spain
  • Francisco Javier Sanchez Universitat Autonoma de Barcelona, Spain
Keywords: low cost, eye-tracker, software, webcam, Raspberry Pi

Abstract

We analyze the feasibility of a cheap eye-tracker where the hardware consists of a single webcam and a Raspberry Pi device. Our aim is to discover the limits of such a system and to see whether it provides an acceptable performance. We base our work on the open source Opengazer (Zielinski, 2013) and we propose several improvements to create a robust, real-time system which can work on a computer with 30Hz sampling rate. After assessing the accuracy of our eye-tracker in elaborated experiments involving 12 subjects under 4 different system setups, we install it on a Raspberry Pi to create a portable stand-alone eye-tracker which achieves 1.42° horizontal accuracy with 3Hz refresh rate for a building cost of 70 Euros.
Published
27-03-2014
How to Cite
Ferhat, O., Vilarino, F., & Sanchez, F. J. (2014). A cheap portable eye-tracker solution for common setups. Journal of Eye Movement Research, 7(3). https://doi.org/10.16910/jemr.7.3.2
Section
Articles