Wide-range High-precision Eye-tracking based on Purkinje Reflections

Area of Science:

• Optics
• Computer Vision
• Human-Computer Interaction

Background:

• Accurate eye movement measurement is vital for understanding human vision.
• Current eye-tracking methods, like Purkinje imaging, have limited tracking ranges.
• Advancements are needed for next-generation augmented and virtual reality (AR/VR) devices.

Purpose of the Study:

• To present a novel optical architecture for extending eye-tracking range.
• To maintain high resolution in eye movement detection.
• To enhance usability for AR/VR applications.

Main Methods:

• Development of a new optical system.
• Utilizing Purkinje reflections for imaging.
• Engineering an architecture to extend tracking range.

Main Results:

• Achieved an extended eye-tracking range.
• Maintained a resolution of 1 arcmin.
• Demonstrated a viable solution for high-precision eye tracking.

Conclusions:

• The presented optical architecture successfully extends eye-tracking range.
• High resolution is maintained, crucial for detailed visual analysis.
• This technology supports the development of advanced AR/VR systems.