Sharanya Arcot Desai — accepted AI-conference papers

2026

HiMAE: Hierarchical Masked Autoencoders Discover Resolution-Specific Structure in Wearable Time Series

Simon A. Lee, Cyrus Tanade, Hao Zhou, Juhyeon Lee, Megha Thukral, Md Sazzad Hissain Khan +9

ICLR 2026poster

Wearable sensors provide abundant physiological time series observations, yet the resolution at which we should extract features for downstream tasks remain unclear. We hypothesize that temporal resolution is a fundamental axis of representation learning, with different clinical and behavioral outco…

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2026

WEIGHTED TEMPORAL DECAY LOSS FOR LEARNING WEARABLE PPG DATA WITH SPARSE CLINICAL LABELS

Yunsung Chung, Keum San Chun, Han Feng, Viswam Nathan, Marrouche Nassir, Sharanya Arcot Desai

ICASSP 2026poster

Advances in wearable computing and AI have increased interest in leveraging PPG for health monitoring over the past decade. One of the biggest challenges in developing health algorithms based on such biosignals is the sparsity of clinical labels, which makes biosignals temporally distant from lab dr…

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