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Performance Evaluation Strategies for Eye Gaze Estimation Systems with Quantitative Metrics and Visualizations.

Anuradha Kar1, Peter Corcoran2

  • 1Department of Electrical & Electronic Engineering, National University of Ireland, Galway H91 TK33, Ireland. a.kar2@nuigalway.ie.

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|September 21, 2018
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Summary

This study introduces standardized metrics and visualization tools for evaluating eye tracker performance. These methods aim to improve the reliability and usability of eye gaze data in research.

Keywords:
eye gaze estimationeye trackergraphical user interfacemetricsmobile devicesopen sourceperformance evaluationstandardizationvisualizations

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Area of Science:

  • Human-Computer Interaction
  • Computer Vision
  • Usability Engineering

Background:

  • Eye trackers are crucial for gaze data collection, but their accuracy and system behavior impact reliability.
  • Current research lacks standardized definitions for gaze estimation accuracy and robust methods for eye tracking system performance evaluation.

Purpose of the Study:

  • To develop and present fully defined evaluation metrics for comprehensive performance characterization of commercial eye trackers.
  • To implement visualization methods for assessing eye tracker performance and data quality across different platforms and designs.
  • To propose GazeVisual v1.1 software for integrating these metrics and visualizations, aiding general users in analyzing gaze datasets.

Main Methods:

  • Development of a novel set of precisely defined evaluation metrics for eye tracking systems.
  • Implementation of visualization techniques to analyze eye tracker performance and data quality.
  • Conceptualization of GazeVisual v1.1, a graphical user interface for integrated analysis.

Main Results:

  • A comprehensive set of evaluation metrics for eye tracker performance characterization.
  • Effective visualization methods for studying eye tracker data quality and performance.
  • A proposed software tool, GazeVisual v1.1, to streamline the analysis of gaze data.

Conclusions:

  • The developed metrics and visualizations offer a standardized approach to eye tracker evaluation.
  • GazeVisual v1.1 aims to empower users with accessible tools for effortless gaze data analysis.
  • These open resources will contribute to the standardization of gaze research outputs and analysis within the community.