Overcomplete dictionary learning with Jacobi atom updates.
Paul IroftiBogdan DumitrescuPublished in: TSP (2016)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image classification
- image super resolution
- natural images
- object category recognition
- image patches
- linear combination
- signal processing
- face recognition
- unsupervised learning
- group sparsity
- image representation
- high dimensional data
- sparsity constraints
- generative model
- higher order
- high dimensional
- feature space
- neural network
- n gram
- bag of words
- dimensionality reduction
- sparse codes