High-resolution signal recovery via generalized sampling and functional principal component analysis.
Milana GataricPublished in: Adv. Comput. Math. (2021)
Keyphrases
- signal recovery
- principal component analysis
- high resolution
- orthogonal matching pursuit
- face images
- low resolution
- super resolution
- compressed sensing
- feature extraction
- image processing
- random sampling
- high quality
- transform domain
- random projections
- dimensionality reduction
- low dimensional
- linear discriminant analysis
- dimension reduction
- low rank and sparse
- feature selection
- greedy algorithm
- singular value decomposition
- high frequency
- multiresolution
- object recognition
- face recognition
- machine learning