Keyphrases
- low resolution
- high resolution
- image super resolution
- super resolution
- face recognition
- multiscale
- face images
- high quality
- single image super resolution
- image patches
- learning algorithm
- edge detection
- dictionary learning
- lower resolution
- principal component analysis
- feature vectors
- computational complexity
- image representation
- image sequences
- low resolution images
- high resolution images
- pixel intensities
- super resolution reconstruction
- dense correspondences
- data sets