Face image super-resolution via sparse representation and wavelet transform.
Farnaz FanaeeMehran YazdiMohammad FaghihiPublished in: Signal Image Video Process. (2019)
Keyphrases
- sparse representation
- wavelet transform
- super resolution
- face images
- face recognition
- face hallucination
- low resolution
- high resolution
- image super resolution
- dictionary learning
- feature extraction
- high resolution face images
- multiresolution
- image reconstruction
- sparse coding
- high resolution images
- image compression
- low resolution images
- human faces
- image classification
- multiscale
- low resolution face images
- image patches
- test images
- single image
- high quality
- motion estimation
- multi frame
- compressive sensing
- image restoration
- facial expressions
- object tracking
- principal component analysis
- dimensionality reduction
- data sets
- facial features
- signal processing
- computer vision
- feature vectors
- single image super resolution
- machine learning
- random projections
- facial images
- high dimensional data
- image representation
- training set
- reconstructed image
- depth map
- pattern recognition
- feature points
- maximum likelihood
- feature space
- image retrieval