Mesh-Grid-Free Spectrum Cartography via Non-negative Matrix Factorization Assisted Localization.
Xiaonan ChenJun WangPublished in: VTC Fall (2023)
Keyphrases
- negative matrix factorization
- nonnegative matrix factorization
- matrix factorization
- sparse representation
- document clustering
- principal component analysis
- constrained least squares
- tensor factorization
- spectral clustering
- sparsity constraints
- data sets
- artificial intelligence
- image processing
- text mining
- information retrieval systems