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Related Experiment Video

Updated: May 10, 2026

Eye Tracking Young Children with Autism
09:03

Eye Tracking Young Children with Autism

Published on: March 27, 2012

Long-Range Gaze Tracking System for Large Movements.

Dong-Chan Cho, Whoi-Yul Kim

    IEEE Transactions on Bio-Medical Engineering
    |June 12, 2013
    PubMed
    Summary

    This study introduces a new 2-D mapping method for remote eye gaze tracking, enabling natural user movement over longer distances. The system achieves high accuracy even with significant user motion, improving usability in eye tracking applications.

    Area of Science:

    • Computer Vision
    • Human-Computer Interaction
    • Biomedical Engineering

    Background:

    • Remote gaze tracking systems face challenges with natural user movement and limited working volumes.
    • Existing eye gaze estimation methods often restrict user mobility and operate over short distances.

    Purpose of the Study:

    • To propose a novel 2-D mapping-based gaze estimation method for large-movement tolerance in remote eye tracking.
    • To enhance the working volume and distance of vision-based gaze tracking systems.

    Main Methods:

    • Developed a movement mapping function estimating scale factors between different pupil center corneal reflection (PCCR) vector sets.
    • Utilized a narrow-view camera on a pan and tilt unit for high-resolution eye image capture.
    • Implemented a system targeting a 1.4 to 3 m operating range with a 100 cm × 40 cm × 100 cm working volume.

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    Last Updated: May 10, 2026

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    Published on: March 27, 2012

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    Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

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    Main Results:

    • The proposed method successfully compensated for performance degradation caused by large user movements.
    • Achieved an average angular error of 0.8°.
    • Demonstrated minimal increase in angular error (0.07°) despite user movement up to 81 cm.

    Conclusions:

    • The novel 2-D mapping approach significantly improves the robustness of remote gaze tracking for moving users.
    • The system offers a practical solution for long-range, high-accuracy eye tracking with a large working volume.