Local Intensity Compensation using sparse representation with additional sparse dictionary.
Kohei IsechiYoshimitsu KurokiPublished in: APSIPA (2014)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- compressive sensing
- face recognition
- learned dictionary
- compressed sensing
- regularized least squares
- sparse approximations
- image classification
- image patches
- random projections
- negative matrix factorization
- signal processing
- sparsity constraints
- sparse coefficients
- sparse codes
- sparse reconstruction
- joint optimization
- test images
- dimensionality reduction
- orthogonal matching pursuit
- high dimensional data
- basis vectors
- higher order
- group sparsity
- pattern recognition
- image super resolution
- training data