An Open Problem on Sparse Representations in Unions of Bases.
Yi ShenChenyun YuYuan ShenSong LiPublished in: CoRR (2021)
Keyphrases
- sparse representation
- sparse coefficients
- dictionary learning
- sparse coding
- compressive sensing
- random projections
- image classification
- face recognition
- joint optimization
- signal processing
- image patches
- compressed sensing
- negative matrix factorization
- object tracking
- regularized least squares
- sparse reconstruction
- test images
- high dimensional data
- image representation
- norm minimization
- dimensionality reduction
- higher order
- sparse learning
- feature space