Single image super-resolution using sparse representations with structure constraints.
Júlio César FerreiraOlivier Le MeurChristine GuillemotEduardo Antônio Barros da SilvaGilberto Arantes CarrijoPublished in: ICIP (2014)
Keyphrases
- single image super resolution
- sparse representation
- dictionary learning
- sparse coding
- image patches
- super resolution
- low resolution
- compressive sensing
- dimensionality reduction
- image classification
- face recognition
- high resolution
- natural images
- pattern recognition
- signal processing
- image representation
- linear combination
- test images
- image data
- super resolution algorithm
- high quality