Graph regularized non-negative matrix factorization with sparse coding.
Binghui WangMeng PangChuang LinXin FanPublished in: ChinaSIP (2013)
Keyphrases
- negative matrix factorization
- sparse coding
- sparse representation
- sparsity constraints
- dictionary learning
- nonnegative matrix factorization
- image classification
- face recognition
- natural images
- principal component analysis
- document clustering
- matrix factorization
- subspace learning
- linear combination
- image representation
- reconstruction error
- image patches
- generative model
- dimensionality reduction
- spectral clustering
- clustering algorithm
- unsupervised learning
- image processing