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Related Experiment Video

Updated: Dec 25, 2025

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior
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Gaze Tracking and Point Estimation Using Low-Cost Head-Mounted Devices.

Ko-Feng Lee1, Yen-Lin Chen1, Chao-Wei Yu1

  • 1Department of Computer Science and Information Engineering, National Taipei University of Technology, Taipei 10608, Taiwan.

Sensors (Basel, Switzerland)
|April 3, 2020
PubMed
Summary
This summary is machine-generated.

This study introduces a low-cost, 3D-printed head-mounted device for accurate eye gaze tracking. The system achieves over 97% accuracy, enabling applications in virtual reality and assistive technology.

Keywords:
eye trackinggaze estimationhead-mountedmobile deviceswearable devices

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Area of Science:

  • Biomedical Engineering
  • Computer Vision
  • Human-Computer Interaction

Background:

  • Accurate eye gaze tracking is crucial for various applications, including virtual reality and assistive technologies.
  • Existing eye tracking systems can be expensive and complex, limiting their widespread adoption.
  • Developing cost-effective and accessible eye tracking solutions is an ongoing research challenge.

Purpose of the Study:

  • To develop a low-cost, head-mounted eye gaze tracking system.
  • To achieve high accuracy and efficiency in estimating gaze points.
  • To enable broader applications of eye tracking technology.

Main Methods:

  • Designed and 3D-printed a head-mounted device integrating an endoscope camera, infrared light, and mobile phone.
  • Developed image pre-processing techniques for efficient pupil ellipse extraction.
  • Created a 3D eye model to accurately estimate gaze points from extracted eye images.

Main Results:

  • The system demonstrated high performance with average accuracy, precision, and recall rates exceeding 97%.
  • The cost-effective design, utilizing 3D printing and readily available components, significantly reduces manufacturing expenses.
  • The developed eye gaze tracking system proves efficient and reliable for real-world applications.

Conclusions:

  • The proposed head-mounted eye gaze tracking system offers a cost-effective and accurate solution.
  • The system's high performance and low cost make it suitable for diverse applications, including the Internet of Things, virtual reality, assistive devices, and human-computer interaction.
  • This research contributes to the advancement of accessible eye tracking technologies.