The farey-dictionary for sparse representation of periodic signals.
P. P. VaidyanathanPiya PalPublished in: ICASSP (2014)
Keyphrases
- sparse representation
- signal processing
- dictionary learning
- sparse signal representation
- sparse coding
- blind source separation
- image classification
- learned dictionary
- face recognition
- sparse approximations
- joint optimization
- reconstruction error
- sparsity constraints
- compressive sensing
- random projections
- image patches
- negative matrix factorization
- sparse codes
- high dimensional data
- regularized least squares
- test images
- pattern recognition
- compressed sensing
- image features
- computer vision
- image processing
- norm minimization
- image representation
- feature space
- image super resolution
- dimensionality reduction
- neural network