Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

A Non-inductive Magnetic Eye-Tracker: From Dipole Tracking to Gaze Retrieval

Version 1 : Received: 27 September 2022 / Approved: 28 September 2022 / Online: 28 September 2022 (12:30:28 CEST)
Version 2 : Received: 7 December 2022 / Approved: 8 December 2022 / Online: 8 December 2022 (11:02:26 CET)

A peer-reviewed article of this Preprint also exists.

Biancalana, V.; Chessa, P. A Non-Inductive Magnetic Eye-Tracker: From Dipole Tracking to Gaze Retrieval. Instruments 2023, 7, 8. Biancalana, V.; Chessa, P. A Non-Inductive Magnetic Eye-Tracker: From Dipole Tracking to Gaze Retrieval. Instruments 2023, 7, 8.

Abstract

An innovative wearable eye tracker based on a permanent-magnet marked corneal lens is analyzed in terms of the information that can be retrieved from the tracking parameters. We demonstrate that, despite missing information due to the axial symmetry of the measured field, physiological constraints or measurement conditions make possible to infer complete eye-pose data. The results show that the instrumentation considered is suitable as a new low-invasive medical diagnostics for the characterization of ocular movement and associated disorders.

Keywords

Eye Tracking; Magnetic tracker; Magnetic Sensor; Sensor Array; eye motion; Donders' Law; Listing's law

Subject

Physical Sciences, Applied Physics

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