Keyphrases
- low resolution
- face images
- face recognition
- high resolution
- super resolution
- human faces
- low resolution images
- image super resolution
- recognition rate
- low resolution face images
- principal component analysis
- lower resolution
- feature extraction
- active appearance models
- higher resolution
- face detection
- high resolution images
- probe image
- facial features
- image patches
- facial images
- facial expressions
- dense correspondences
- feature points
- face recognition algorithms
- sparse representation
- resolution enhancement
- interpolation algorithm
- computer vision
- high quality
- feature vectors
- super resolution reconstruction
- super resolved
- multiresolution
- low quality images