Single image super resolution based on sparse representation via directionally structured dictionaries.
Fahime FarhadifardElham AbarMahmoud NazzalHuseyin OzkaramanhPublished in: SIU (2014)
Keyphrases
- single image super resolution
- sparse representation
- sparse coding
- dictionary learning
- image patches
- compressive sensing
- image classification
- face recognition
- sparse approximations
- image representation
- random projections
- super resolution
- high dimensional data
- image super resolution
- test images
- signal processing
- dimensionality reduction
- object recognition
- sparse codes
- low resolution
- low dimensional
- markov random field
- high dimensional
- image processing