Keyphrases
- face images
- super resolution
- low resolution
- high resolution
- principal component analysis
- face recognition
- face hallucination
- low resolution images
- human faces
- image reconstruction
- face representation and recognition
- low resolution face images
- facial expressions
- image restoration
- face verification
- face databases
- input image
- high resolution face images
- high resolution images
- image super resolution
- feature vectors
- feature extraction
- single image
- feature points
- high quality
- facial features
- test images
- image patches
- training set
- spatial resolution
- motion estimation
- multi frame
- depth map
- low dimensional
- face representation
- video sequences