New results on sparse representations in unions of orthonormal bases.
Tao ZhangGennian GePublished in: CoRR (2024)
Keyphrases
- sparse representation
- sparse coefficients
- basis functions
- dictionary learning
- sparse coding
- face recognition
- image classification
- random projections
- linear combination
- image patches
- singular value decomposition
- regularized least squares
- joint optimization
- pattern languages
- compressive sensing
- dimensionality reduction
- signal processing
- compressed sensing
- denoising
- image representation
- high dimensional data
- negative matrix factorization
- norm minimization
- computer vision
- manifold learning
- data sets
- test images
- multiscale