Recovery guarantees for mixed norm ℓp1, p2 block sparse representations.
Fardin AfdidehRonald PhlypoChristian JuttenPublished in: EUSIPCO (2016)
Keyphrases
- sparse representation
- mixed norm
- regularized least squares
- dictionary learning
- total least squares
- multi class
- signal processing
- face recognition
- image classification
- dimensionality reduction
- negative matrix factorization
- image representation
- coefficient matrix
- object recognition
- computer vision
- high dimensional data
- pattern recognition
- image features
- image restoration
- pairwise
- feature space