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Vince Calhoun

4 accepted papers

2026

A robust PPG foundation model using multimodal physiological supervision

ICML 2026poster

Photoplethysmography (PPG), a non-invasive measure of changes in blood volume, is widely used in both wearable devices and clinical settings. Recent PPG foundation models either use open-source ICU datasets with pretraining paradigms that require high-quality data and thus complicate generalization …

Cited by 0SourceScholar
2025

MoRE-Brain: Routed Mixture of Experts for Interpretable and Generalizable Cross-Subject fMRI Visual Decoding

NeurIPS 2025poster

Decoding visual experiences from fMRI offers a powerful avenue to understand human perception and develop advanced brain-computer interfaces. However, current progress often prioritizes maximizing reconstruction fidelity while overlooking interpretability, an essential aspect for deriving neuroscien…

Cited by 0SourceScholar
2016

Iterative Refinement of the Approximate Posterior for Directed Belief Networks

NeurIPS 2016poster

Variational methods that rely on a recognition network to approximate the posterior of directed graphical models offer better inference and learning than previous methods. Recent advances that exploit the capacity and flexibility in this approach have expanded what kinds of models can be trained. Ho…