Recovery of exact sparse representations in the presence of noise.
Jean-Jacques FuchsPublished in: ICASSP (2) (2004)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- image classification
- compressive sensing
- negative matrix factorization
- regularized least squares
- reconstruction error
- sparse reconstruction
- dimensionality reduction
- signal processing
- compressed sensing
- manifold learning
- noise level
- face recognition
- joint optimization
- high dimensional data
- image patches
- random projections
- pattern recognition
- test images
- noise model
- computer vision
- noise reduction
- generative model
- semi supervised
- sparse learning