Structured Random Sketching for PDE Inverse Problems.
Ke ChenQin LiKit NewtonStephen J. WrightPublished in: SIAM J. Matrix Anal. Appl. (2020)
Keyphrases
- inverse problems
- partial differential equations
- image reconstruction
- global optimization
- anisotropic diffusion
- convex optimization
- image denoising
- regularization method
- level set
- emission tomography
- image enhancement
- image processing
- energy functional
- optimization problems
- optimization methods
- multiscale
- high order
- smoothness constraint
- early vision
- neural network
- super resolution
- parameter space
- higher order
- image analysis
- video sequences