Nonlinear Orthogonal NMF on the Stiefel Manifold With Graph-Based Total Variation Regularization.
Abderrahmane RahicheMohamed CherietPublished in: IEEE Signal Process. Lett. (2022)
Keyphrases
- total variation regularization
- euclidean space
- image denoising
- total variation
- negative matrix factorization
- locally adaptive
- image deblurring
- denoising
- regularization parameter
- augmented lagrangian
- image restoration
- high dimensional
- parameter selection
- low dimensional
- nonlinear diffusion
- semi supervised
- wavelet coefficients
- smooth regions