Single image super-resolution by directionally structured coupled dictionary learning.
Junaid AhmedMadad Ali ShahPublished in: EURASIP J. Image Video Process. (2016)
Keyphrases
- single image super resolution
- dictionary learning
- sparse coding
- sparse representation
- image super resolution
- natural images
- low resolution
- unsupervised learning
- image classification
- image patches
- super resolution
- linear combination
- generative model
- data sets
- visual words
- pattern recognition
- reinforcement learning
- multiscale
- feature extraction