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Related Experiment Videos

A system for tracking gaze on handheld devices.

Kristian Lukander1

  • 1Brain Work Research Center, Finnish Institute of Occupational Health, Topeliuksenkatu 41 a A, FIN-00250 Helsinki, Finland. kristian.lukander@ttl.fi

Behavior Research Methods
|March 31, 2007
PubMed
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This study presents a novel, software-based gaze-tracking system for mobile devices, freeing users from head stabilization and fixed interfaces. The system achieves adequate accuracy for mobile gaze tracking applications.

Area of Science:

  • Human-Computer Interaction
  • Biomedical Engineering
  • Computer Vision

Background:

  • Current gaze-tracking systems often necessitate head stabilization and fixed interfaces, limiting user mobility.
  • Mobile, handheld devices present unique challenges for accurate gaze tracking due to user movement.

Purpose of the Study:

  • To develop and evaluate a prototype gaze-tracking system for mobile, handheld devices.
  • To enable natural user movement by overcoming the constraints of traditional gaze-tracking setups.

Main Methods:

  • Integration of a commercial eye-tracking device (EyeLink I) with a magnetic positional tracking device (Polhemus FASTRAK).
  • A software-based approach to process data from both tracking devices.
  • Development of a system allowing freedom of movement within its operational envelope.

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Main Results:

  • The prototype system successfully tracks gaze on mobile, handheld device screens.
  • The system allows for natural user movement, freeing the user and interface from previous constraints.
  • Evaluation demonstrates the system's capability to produce valid data with adequate accuracy.

Conclusions:

  • The developed system offers a viable solution for gaze tracking on mobile devices, enhancing user experience.
  • This software-based approach provides a flexible and accurate method for mobile gaze analysis.
  • The system overcomes limitations of traditional gaze trackers, paving the way for new applications.