A Weighted Average of Sparse Representations is Better than the Sparsest One Alone.
Michael EladIrad YavnehPublished in: Structured Decompositions and Efficient Algorithms (2008)
Keyphrases
- weighted average
- sparse representation
- dictionary learning
- sparse coding
- image classification
- face recognition
- compressed sensing
- weighted sum
- image patches
- sparse reconstruction
- image representation
- compressive sensing
- joint optimization
- signal processing
- negative matrix factorization
- random projections
- dimensionality reduction
- regularized least squares
- manifold learning
- machine learning
- high dimensional data
- high resolution
- sparse coefficients
- sparse learning
- object recognition