Recovery Conditions of Sparse Representations in the Presence of Noise.
Jean-Jacques FuchsPublished in: ICASSP (3) (2006)
Keyphrases
- sparse representation
- dictionary learning
- image classification
- sparse coding
- compressive sensing
- face recognition
- regularized least squares
- signal processing
- image patches
- joint optimization
- compressed sensing
- dimensionality reduction
- random projections
- reconstruction error
- manifold learning
- high dimensional data
- noise level
- test images
- missing data
- noise reduction
- negative matrix factorization
- noise model
- sparse reconstruction
- multiple objects
- semi supervised
- data analysis
- feature extraction