An Open Problem on Sparse Representations in Unions of Bases.
Yi ShenChenyun YuYuan ShenSong LiPublished in: IEEE Trans. Inf. Theory (2022)
Keyphrases
- sparse representation
- sparse coefficients
- dictionary learning
- sparse coding
- image classification
- face recognition
- compressive sensing
- compressed sensing
- joint optimization
- image patches
- sparse reconstruction
- object tracking
- image representation
- negative matrix factorization
- random projections
- regularized least squares
- high dimensional data
- signal processing
- test images
- manifold learning
- feature vectors
- norm regularization
- neural network
- dimensionality reduction
- high dimensional
- learning algorithm