Monophonic and Polyphonic Wheezing Classification Based on Constrained Low-Rank Non-Negative Matrix Factorization.
Juan De La Torre CruzFrancisco Jesús Cañadas-QuesadaNicolás Ruiz-ReyesSebastián García GalánJulio José Carabias-OrtiGerardo Peréz ChicaPublished in: Sensors (2021)
Keyphrases
- low rank
- matrix factorization
- negative matrix factorization
- frobenius norm
- musical instrument
- nonnegative matrix factorization
- missing data
- sparsity constraints
- collaborative filtering
- convex optimization
- pattern recognition
- tensor factorization
- matrix completion
- singular value decomposition
- image classification
- linear combination
- music retrieval
- music information retrieval
- machine learning
- audio recordings
- document clustering
- semi supervised
- recommender systems
- feature vectors
- unsupervised feature selection
- decision trees
- supervised learning
- text classification
- signal processing
- principal component analysis
- least squares
- feature space
- object recognition
- multiscale
- feature extraction
- feature selection
- data sets