Nonnegative matrix factorization based on projected hybrid conjugate gradient algorithm.
Mohamed Abd El AzizWael KhidrPublished in: Signal Image Video Process. (2015)
Keyphrases
- nonnegative matrix factorization
- conjugate gradient algorithm
- negative matrix factorization
- matrix factorization
- least squares
- conjugate gradient
- data representation
- regularization framework
- learning rate
- spectral clustering
- document clustering
- levenberg marquardt
- principal component analysis
- interior point
- original data
- neural network
- pattern recognition
- learning algorithm