Family of iterative LS-based dictionary learning algorithms, ILS-DLA, for sparse signal representation.
Kjersti EnganKarl SkrettingJohn Håkon HusøyPublished in: Digit. Signal Process. (2007)
Keyphrases
- learning algorithm
- sparse signal representation
- joint optimization
- sparse representation
- learning problems
- range images
- training data
- machine learning algorithms
- metaheuristic
- machine learning
- multi start
- special case
- active learning
- solution quality
- linear discriminant analysis
- viewpoint
- learning tasks
- data mining
- reinforcement learning
- supervised learning
- objective function
- back propagation
- image representation
- sparse coding
- labeled data
- learning scheme
- similarity measure
- decision trees
- signal processing