Exploiting multilevel Toeplitz structures in high dimensional nonlocal diffusion.
Christian VollmannVolker SchulzPublished in: Comput. Vis. Sci. (2019)
Keyphrases
- high dimensional
- least squares
- low dimensional
- dimensionality reduction
- high dimensional data
- multi dimensional
- sparse data
- anisotropic diffusion
- data points
- nearest neighbor
- high dimensional problems
- diffusion model
- diffusion process
- variable selection
- similarity search
- medical images
- image processing
- social networks