SPD-DDPM: Denoising Diffusion Probabilistic Models in the Symmetric Positive Definite Space.
Yunchen LiZhou YuGaoqi HeYunhang ShenKe LiXing SunShaohui LinPublished in: CoRR (2023)
Keyphrases
- denoising
- probabilistic model
- symmetric positive definite
- spd matrices
- nonlinear diffusion
- graphical models
- riemannian manifolds
- low dimensional
- image denoising
- search space
- expectation maximization
- natural images
- anisotropic diffusion
- total variation
- high dimensional
- computer vision
- dw mri
- lie group
- diffusion tensor
- distribution function
- diffusion process
- bayesian networks