Robust Nonnegative Matrix Factorization via Half-Quadratic Minimization.
Liang DuXuan LiYi-Dong ShenPublished in: ICDM (2012)
Keyphrases
- half quadratic
- nonnegative matrix factorization
- image recovery
- edge preserving
- total variation
- anisotropic diffusion
- negative matrix factorization
- matrix factorization
- noise model
- data representation
- least squares
- spectral clustering
- primal dual
- noise reduction
- image restoration
- denoising
- image deconvolution
- data sets
- document clustering
- signal processing
- compressive sensing
- mumford shah functional
- similarity measure