Clustering by Orthogonal Non-negative Matrix Factorization: A Sequential Non-convex Penalty Approach.
Shuai WangTsung-Hui ChangYing CuiJong-Shi PangPublished in: ICASSP (2019)
Keyphrases
- negative matrix factorization
- document clustering
- nonnegative matrix factorization
- spectral clustering
- clustering algorithm
- matrix factorization
- probabilistic latent semantic analysis
- k means
- unsupervised feature selection
- clustering method
- principal component analysis
- sparse representation
- convex optimization
- tensor factorization
- latent semantic space
- pairwise
- objective function
- neural network
- cluster analysis
- document collections
- unsupervised learning
- text mining
- computer vision
- gradient method
- information retrieval
- data sets