Symmetric Nonnegative Matrix Factorization Based on Box-Constrained Half-Quadratic Optimization.
Bo-Wei ChenPublished in: IEEE Access (2020)
Keyphrases
- nonnegative matrix factorization
- half quadratic
- negative matrix factorization
- edge preserving
- matrix factorization
- spectral clustering
- data representation
- image recovery
- least squares
- document clustering
- collaborative filtering
- principal component analysis
- original data
- anisotropic diffusion
- objective function
- data sets
- k means
- machine learning