Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image super resolution
- kernel function
- kernel methods
- group sparsity
- sparse codes
- feature space
- dictionary learning for sparse
- object category recognition
- multiple kernel learning
- support vector
- kernel regression
- natural images
- image classification
- reproducing kernel hilbert space
- face recognition
- image processing
- machine learning
- neural network
- data sets