Keyphrases
- image super resolution
- sparse representation
- image patches
- dictionary learning
- sparse coding
- image classification
- face recognition
- signal processing
- high dimensional data
- natural images
- low resolution
- dimensionality reduction
- higher order
- super resolution
- image representation
- maximum likelihood
- noisy images
- pairwise
- computer vision
- bag of words
- low dimensional
- small number
- superpixels
- pattern recognition
- image processing