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Karan Ahuja

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#human-computer interacti... Preprint Aug 2026

EITWatch: Smartwatch-Integrated Planar Electrical Impedance Tomography for Hand Gesture Recognition

EITWatch is the first wrist-EIT system built around smartwatch case-back geometry, asking whether this contact patch alone can support gesture recognition: eight planar electrodes in a 31 mm ring acquire 35 impedance measurements at 48 Hz.

Xuan-You Liu, Novel Alam, Karan Ahuja · 0 citations
#machine learning Preprint Aug 2026

TransfHAR: Self-Supervised Wrist Representations for On-Demand Activity Recognition

TransfHAR is implemented as a real-time smartwatch application that lets users define and expand their own activity set for personalized recognition from only a few demonstrations, and indicates that broad self-supervised wrist pretraining provides an effective foundation for on-demand fine-grained activity recognition...

Aidan Bradshaw, Riku Arakawa, Xin Liu et al. · 0 citations

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