Cybersickness remains a major barrier to comfortable, accessible virtual reality (VR). Arising from mismatches between visual and vestibular signals, it places sustained demands on gaze stabilization and visual processing. Because gaze is the mechanism through which users actively sample the virtual environment, cybers...
Nevzat Umut Demirseren, Mehedi Hasan Raju, Oleg V. Komogortsev et al.· 0 citations
Eye-movement authentication in virtual reality (VR) needs longitudinal training data, yet most such datasets come from lab trackers. We convert lab recordings to a VR headset's signal quality while keeping their eye movement, using only unpaired VR recordings of other people. Measurements show that the headset's added...
Md Arif Shahriar, Mehedi Hasan Raju, Oleg V. Komogortsev· 0 citations
A dual-assessment framework is introduced that scores any real-time gaze transformation on two axes at once: interaction utility, measured through an offline gaze-interaction simulation and an operational spatial-accuracy metric, and privacy preservation, measured through the Rank-1 Identification Rate of a state-of-th...
Mehedi Hasan Raju, Oleg V. Komogortsev· 3 citations
Eye movement biometrics (EMB) is an emerging behavioral modality for user authentication, particularly in virtual- and augmented-reality systems, where gaze dynamics contain distinctive subject-specific features. However, robust EMB systems require diverse, high-quality gaze recordings that are expensive to collect and...
Kamrul Hasan, Mehedi Hasan Raju, Oleg V. Komogortsev· 1 citation
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