AINeutralarXiv – CS AI · 10h ago6/10
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Delta-Diffusion: Modeling Longitudinal Brain Amyloid-PET Trajectories via Conditional Poisson Diffusion Bridge
Researchers introduce Delta-Diffusion, a novel AI framework using conditional Poisson Diffusion Bridges to synthesize longitudinal brain PET imaging for tracking amyloid accumulation in neurodegenerative diseases. The method addresses limitations of existing generative models by anchoring predictions to baseline patient scans and incorporating clinical progression patterns, potentially reducing the need for costly repeated imaging procedures.