Contrastive Diffusion Model with Auxiliary Guidance for Coarse-to-Fine PET Reconstruction.
Zeyu HanYuhan WangLuping ZhouPeng WangBinyu YanJiliu ZhouYan WangDinggang ShenPublished in: CoRR (2023)
Keyphrases
- coarse to fine
- diffusion model
- image reconstruction
- positron emission tomography
- multiscale
- multiresolution
- anisotropic diffusion
- object detection
- hierarchical segmentation
- image registration
- three dimensional
- dynamic programming
- information diffusion
- diffusion process
- diffusion tensor
- high resolution
- image pyramid
- information processing