Parametrized quasi-soft thresholding operator for compressed sensing and matrix completion.
Dongxiu XieHugo J. WoerdemanAn-Bao XuPublished in: Comput. Appl. Math. (2020)
Keyphrases
- compressed sensing
- matrix completion
- image reconstruction
- low rank
- sparse representation
- random projections
- natural images
- convex relaxation
- signal processing
- active learning
- wavelet domain
- higher order
- linear combination
- high dimensional data
- machine learning
- singular value decomposition
- multiresolution
- globally optimal
- object recognition
- image processing