Coupled multiple dictionary learning based on edge sharpness for single-image super-resolution.
Junaid AhmedReinhard KlettePublished in: ICPR (2016)
Keyphrases
- dictionary learning
- single image super resolution
- sparse coding
- sparse representation
- super resolution
- image super resolution
- image patches
- natural images
- edge detection
- generative model
- low resolution
- linear combination
- face recognition
- image prior
- edge information
- unsupervised learning
- high resolution
- image restoration
- image representation
- edge preserving
- random projections
- compressive sensing
- high quality
- computer vision