Multilevel preconditioning and low-rank tensor iteration for space-time simultaneous discretizations of parabolic PDEs.
Roman AndreevChristine ToblerPublished in: Numer. Linear Algebra Appl. (2015)
Keyphrases
- space time
- low rank
- trace norm
- high order
- tensor decomposition
- partial differential equations
- matrix factorization
- convex optimization
- spatio temporal
- matrix completion
- dynamic scenes
- missing data
- linear combination
- video sequences
- singular value decomposition
- low rank matrix
- higher order
- rank minimization
- semi supervised
- tensor factorization
- primal dual
- level set
- human actions
- image processing
- image denoising
- anisotropic diffusion
- singular values
- dimensionality reduction
- collaborative filtering
- high dimensional data
- diffusion tensor
- structure from motion
- image segmentation
- three dimensional
- data sets
- image sequences
- bundle adjustment
- multi task
- pairwise
- least squares