Keyphrases
- low resolution
- face images
- face recognition
- high resolution
- super resolution
- low resolution face images
- principal component analysis
- human faces
- low resolution images
- recognition rate
- lower resolution
- higher resolution
- high resolution images
- image super resolution
- facial expressions
- probe image
- feature extraction
- face recognition algorithms
- computer vision
- face hallucination
- active appearance models
- feature vectors
- facial features
- high quality
- image patches
- dense correspondences
- facial images
- face identification
- sparse representation
- super resolution algorithm
- single frame
- face detection
- feature points
- super resolution reconstruction
- super resolved
- interpolation algorithm
- depth map
- dimensionality reduction
- low frame rate
- high resolution video