Spectral pursuit for simultaneous sparse representation with accuracy guarantees.
Guihong WanHaim SchweitzerPublished in: Int. J. Data Sci. Anal. (2024)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- compressed sensing
- face recognition
- image patches
- random projections
- orthogonal matching pursuit
- compressive sensing
- high dimensional data
- image classification
- signal processing
- object tracking
- negative matrix factorization
- piecewise smooth
- sparse reconstruction
- joint optimization
- reconstruction error
- database
- sparse learning
- regularized least squares
- neural network
- pattern recognition
- training set
- sparsity constraints
- object detection
- dimensionality reduction
- sparse codes
- image representation