CT reconstruction using diffusion posterior sampling conditioned on a nonlinear measurement model.

Shudong Li Xiao JiangMatthew TivnanGrace Jianan GangYuan ShenJ Webster Stayman

Published in: Journal of medical imaging (Bellingham, Wash.) (2024)

This plug-and-play method allows the incorporation of a diffusion-based prior with a general nonlinear CT measurement model. This permits the application of the approach to different systems, protocols, etc., without the need for any additional training.

Keyphrases

computed tomography
image quality
dual energy
contrast enhanced
positron emission tomography
virtual reality