Sparse Representations of Positive Functions via Projected Pseudo-Mirror Descent.
Abhishek ChakrabortyKetan RajawatAlec KoppelPublished in: CoRR (2020)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- compressed sensing
- image classification
- joint optimization
- compressive sensing
- image patches
- face recognition
- random projections
- manifold learning
- test images
- image representation
- signal processing
- regularized least squares
- sparse reconstruction
- high dimensional data
- image reconstruction
- norm minimization
- object tracking
- generative model
- data sets
- sparse learning