ElectraSight: Smart Glasses with Fully Onboard Non-Invasive Eye Tracking Using Hybrid Contact and Contactless EOG
Nicolas Sch\"arer, Federico Villani, Aishwarya Melatur, Steven Peter,, Tommaso Polonelli, Michele Magno

TL;DR
ElectraSight introduces a non-invasive, low-power, hybrid EOG-based eye tracking system for smart glasses that achieves high accuracy, real-time performance, and long battery life without calibration, enabling diverse commercial applications.
Contribution
The paper presents a novel hybrid EOG hardware design combined with a tinyML model for accurate, calibration-free eye tracking in smart glasses, with ultra-low power consumption.
Findings
81% accuracy for 10 eye movement classes
90% detection latency within 60 ms
Operates continuously for over 3 days on a small battery
Abstract
Smart glasses with integrated eye tracking technology are revolutionizing diverse fields, from immersive augmented reality experiences to cutting-edge health monitoring solutions. However, traditional eye tracking systems rely heavily on cameras and significant computational power, leading to high-energy demand and privacy issues. Alternatively, systems based on electrooculography (EOG) provide superior battery life but are less accurate and primarily effective for detecting blinks, while being highly invasive. The paper introduces ElectraSight, a non-invasive plug-and-play low-power eye tracking system for smart glasses. The hardware-software co-design of the system is detailed, along with the integration of a hybrid EOG (hEOG) solution that incorporates both contact and contactless electrodes. Within 79 kB of memory, the proposed tinyML model performs real-time eye movement…
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Taxonomy
TopicsGaze Tracking and Assistive Technology · Tactile and Sensory Interactions · Interactive and Immersive Displays
