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Vahid Tarokh

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#machine learning Preprint Sep 2026

Stable by Construction: Variational Latent Markov Operators for Long-Horizon PDE Prediction

Variational modeling is highlighted as a complementary approach to robust long-horizon neural PDE dynamics by introducing latent Markov dynamics, which combines spatially resolved latent fields, structured Gaussian perturbations, and a neural-operator transition.

Jun-Yi Liao, J. Guilleminot, Vahid Tarokh · 0 citations
#artificial intelligence Preprint Sep 2026

Task-Based CT Protocol Optimization Using Reinforcement Learning and Virtual Imaging Trials

The proposed framework can substantially reduce exhaustive protocol testing while enabling task-based, dose-aware protocol selection before the diagnostic scan and shows that the proposed framework can substantially reduce exhaustive protocol testing while enabling task-based, dose-aware protocol selection before the d...

J. Zou, David Fenwick, Vahid Tarokh et al. · 0 citations
Preprint Aug 2026

Diffusion-Based Data-Driven Assortment Optimization

A model-agnostic framework for assortment optimization based on guided discrete diffusion that represents assortments as binary vectors and performs stochastic search via a learned reverse diffusion process, avoiding explicit combinatorial enumeration.

Jun-Yi Liao, Xiaohui Jiang, Zhengwei Tong et al. · 0 citations

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