Automatic telephone handset identification by sparse representation of random spectral features.
Yannis PanagakisConstantine KotropoulosPublished in: MM&Sec (2012)
Keyphrases
- sparse representation
- spectral features
- dictionary learning
- sparse coding
- image classification
- compressive sensing
- image patches
- dimensionality reduction
- hyperspectral images
- face recognition
- image representation
- high dimensional data
- signal processing
- structural features
- spectral analysis
- joint optimization
- negative matrix factorization
- image analysis
- blind source separation
- data sets
- data mining