Capacitive eye tracking has the potential to replace optical technologies for continuous low-power gaze detection in smart eyeglasses. In this work, different sensing approaches suitable for wearable integration are investigated. Starting from finite-element simulations, a detailed numerical electrical model was improved by comparing the simulated results with experimental measurements performed in different electrode configurations and charge-sensing circuits. Preliminary results show potential for the identification of a few regions of interest in the visual field with fF capacitive resolution.
Simulation and Experimental Comparison of Sensing Approaches for Capacitive Eye Tracking
Palmieri, Giulia;Pettenella, Alberto;Carminati, Marco
2025-01-01
Abstract
Capacitive eye tracking has the potential to replace optical technologies for continuous low-power gaze detection in smart eyeglasses. In this work, different sensing approaches suitable for wearable integration are investigated. Starting from finite-element simulations, a detailed numerical electrical model was improved by comparing the simulated results with experimental measurements performed in different electrode configurations and charge-sensing circuits. Preliminary results show potential for the identification of a few regions of interest in the visual field with fF capacitive resolution.File in questo prodotto:
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