EK-SVD: Optimized dictionary design for sparse representations.
Raazia MazharPaul D. GaderPublished in: ICPR (2008)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- dimensionality reduction
- image classification
- image patches
- joint optimization
- reconstruction error
- signal processing
- image super resolution
- sparse reconstruction
- negative matrix factorization
- random projections
- compressive sensing
- learned dictionary
- manifold learning
- feature selection
- semi supervised
- decision trees