Super-Resolution of Face Images Using Weighted Elastic Net Constrained Sparse Representation.
Xiaobing PeiTao DongYue GuanPublished in: IEEE Access (2019)
Keyphrases
- sparse representation
- face images
- super resolution
- elastic net
- face recognition
- low resolution
- high resolution
- dictionary learning
- image super resolution
- image restoration
- human faces
- image reconstruction
- low resolution images
- sparse coding
- image patches
- regularization parameter
- principal component analysis
- motion estimation
- high quality
- test images
- single image
- high resolution images
- low resolution face images
- feature points
- facial expressions
- face detection
- feature extraction
- depth map
- random projections
- image classification
- computer vision
- signal processing
- dimensionality reduction
- input image
- facial images
- data sets
- linear discriminant analysis
- object tracking
- image representation
- high dimensional data
- training set
- multiscale
- image processing
- maximum likelihood
- multi frame