Telephone handset identification by feature selection and sparse representations.
Yannis PanagakisConstantine KotropoulosPublished in: WIFS (2012)
Keyphrases
- sparse representation
- feature selection
- dictionary learning
- dimensionality reduction
- sparse coding
- image classification
- face recognition
- compressive sensing
- signal processing
- text categorization
- regularized least squares
- high dimensional data
- joint optimization
- feature set
- random projections
- feature space
- image patches
- support vector
- feature extraction
- text classification
- image representation
- high dimensionality
- negative matrix factorization
- norm regularization
- machine learning
- compressed sensing
- nearest neighbor
- multi class
- multi task
- manifold learning
- model selection
- low dimensional
- multiscale
- decision trees
- image processing