Semi-supervised least squares nonnegative matrix factorization and graph-based extension.
Xinjun PengDe ChenDong XuPublished in: Neurocomputing (2018)
Keyphrases
- nonnegative matrix factorization
- least squares
- semi supervised
- semi supervised clustering
- manifold regularization
- probabilistic latent semantic indexing
- semi supervised learning
- labeled data
- unlabeled data
- pairwise
- active learning
- semi supervised classification
- unsupervised learning
- supervised learning
- nonnegative matrix
- optical flow
- low rank
- data representation
- relational databases
- sparsity constraints
- matrix factorization
- normalized cut
- similarity measure
- feature selection
- computer vision