Online learning sensing matrix and sparsifying dictionary simultaneously for compressive sensing.
Tao HongZhihui ZhuPublished in: Signal Process. (2018)
Keyphrases
- compressive sensing
- online learning
- sparse representation
- compressed sensing
- random projections
- compressive sampling
- image recovery
- dictionary learning
- signal processing
- orthogonal matching pursuit
- e learning
- sparse coding
- distributed source coding
- image representation
- image patches
- image classification
- dimensionality reduction
- structured sparsity
- face recognition
- image reconstruction
- least squares
- active learning
- data sets
- low rank
- multiscale