Telephone handset identification using sparse representations of spectral feature sketches.
Constantine KotropoulosPublished in: IWBF (2013)
Keyphrases
- higher order
- sparse representation
- dictionary learning
- feature representation
- sparse coding
- image classification
- joint optimization
- image patches
- compressive sensing
- face recognition
- compressed sensing
- image representation
- manifold learning
- regularized least squares
- negative matrix factorization
- sparse reconstruction
- high dimensional data
- signal processing
- feature vectors
- image features
- computer vision
- test images
- random projections
- dimensionality reduction
- image reconstruction
- feature set
- norm minimization