arXiv Machine Learning By Md Rakibul Haque, Shireen Elhabian, Warren Woodrich Pettine

Timesynth: A Temporal Fidelity Framework for Health Signal Digital Twins

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arXiv:2607. 00431v1 Announce Type: new Abstract: Forecasting models for health-signal digital twins must preserve the oscillatory, frequency, phase, and state-transition dynamics of physiological signals, yet the pointwise metrics used to benchmark them cannot detect when these fundamental properties are lost.

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arXiv AI
3d ago

CAMOS: Coupled Oscillatory State-Space Model for Multimodal Clinical Time-Series

CAMOS is a coupled oscillatory state‑space model designed for multimodal clinical time‑series that are irregularly sampled and often incomplete. It addresses a representational limitation of linear state‑space models by allowing the transition operator to depend on which modalities are present, using a bank of second‑order oscillators coupled through a gated matrix. On the ADNI dataset, CAMOS outperforms both uncoupled oscillatory models and clinical fusion models in same‑visit staging, landmark prediction, and longitudinal forecasting, and uniquely avoids collapsing to the majority class when transferred zero‑shot to OASIS‑3.

By Maxx Richard Rahman, Mostafa Hammouda, Wolfgang Maass