Learning Sparse Representations by Non-Negative Matrix Factorization and Sequential Cone Programming.
Matthias HeilerChristoph SchnörrPublished in: J. Mach. Learn. Res. (2006)
Keyphrases
- negative matrix factorization
- sparse representation
- dictionary learning
- learning algorithm
- principal component analysis
- sparsity constraints
- reconstruction error
- matrix factorization
- sparse coding
- image classification
- face recognition
- linear combination
- signal processing
- data analysis
- similarity measure
- nonnegative matrix factorization
- data mining