LGE-KSVD: Flexible Dictionary Learning for Optimized Sparse Representation Classification.
Raymond W. PtuchaAndreas E. SavakisPublished in: CVPR Workshops (2013)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- object category recognition
- joint optimization
- image classification
- image super resolution
- reconstruction error
- sparse coefficients
- group sparsity
- image patches
- pattern recognition
- sparse codes
- compressive sensing
- face recognition
- dimensionality reduction
- graph embedding
- image representation
- high dimensional data
- denoising
- sparsity constraints
- image processing
- data sets
- unsupervised learning
- negative matrix factorization
- feature space