Author

George Webber

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Preprint Sep 2026

Generative Priors for Total-Body PET Reconstruction

Total-body positron emission tomography (TB-PET) enables fast, low-dose, and dynamic imaging over a long axial field of view, but reconstruction remains challenging due to reduced counts, large image volumes, and increased data dimensionality. Generative models offer powerful learned priors for low-count PET, yet expli...

Movindu Dassanayake, George Webber, Denis Prokopenko et al. · 0 citations

#artificial intelligence Preprint Oct 2026

One for All, All for One: Coordinated Multi-Agent Diffusion Steering via Stochastic Optimal Control

This framework, Coordinated Multi-Agent Diffusion Steering (CMDS), treats frozen pretrained diffusion models as reusable generative primitives and coordinates their reverse processes through a learned control, forming coordination as a stochastic optimal control problem.

Riccardo Barbano, Vincent Pauline, Run-Chang Li et al. · 0 citations