Supervised nonnegative matrix factorization using active-period-aware structured ℓ1-norm for music transcription.
Yu MorikawaMasahiro YukawaHisakazu KikuchiPublished in: APSIPA (2015)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- negative matrix factorization
- matrix factorization
- data representation
- least squares
- nonnegative matrix
- semi supervised
- principal component analysis
- unsupervised feature selection
- objective function
- sparsity constraints
- document clustering
- spectral clustering
- supervised learning
- learning algorithm
- unsupervised learning
- feature selection
- original data
- machine learning
- data analysis
- digital libraries
- multiscale
- image processing