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  1. Home
  3. Eye Tracking With A Diffractive Ar Waveguide.
  1. Home
  3. Eye Tracking With A Diffractive Ar Waveguide.

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Eye tracking with a diffractive AR waveguide.

Yuchen Ma, Wen Xiong, Peng Zhang

    Optics Letters
    |May 15, 2026

    View abstract on PubMed

    Summary
    This summary is machine-generated.

    This study introduces a novel eye-tracking system using computational imaging and standard augmented reality waveguides. This method enhances detection capabilities for wearable devices, improving human-computer interaction.

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    Area of Science:

    • Computer Vision
    • Human-Computer Interaction
    • Optical Engineering

    Background:

    • Wearable eye-tracking devices face limitations due to side-view camera configurations.
    • Existing front-view systems often require customized optical structures for clear eye imaging.

    Purpose of the Study:

    • To develop an eye-tracking system that overcomes limitations of current wearable devices.
    • To enable the use of non-customized diffractive augmented reality waveguides for eye tracking.

    Main Methods:

    • Utilized a computational imaging approach with a non-customized diffractive augmented reality waveguide.
    • Employed computational reconstruction to correct optical distortions, removing the need for hardware-based optical mapping.
    • Validated imaging quality using quantitative metrics and gaze estimation tasks.

    Main Results:

    • Achieved an experimental gaze angular resolution of 0.776 degrees with a fixed-distance eyeball model.
    • Demonstrated the effectiveness of computational reconstruction in addressing optical distortions.
    • Validated the system's performance in downstream gaze estimation tasks.

    Conclusions:

    • The proposed system enables the reuse of commercial display waveguides for sensing applications.
    • Offers a compact and cost-effective solution for advanced augmented reality system integration.
    • Advances the field of human-computer interaction through improved wearable eye-tracking technology.