A Fast Algorithm for Learning Overcomplete Dictionary for Sparse Representation Based on Proximal Operators.
Zhenni LiShuxue DingYujie LiPublished in: Neural Comput. (2015)
Keyphrases
- sparse representation
- learning process
- learning algorithm
- dictionary learning
- linear combination
- online learning
- unsupervised learning
- learning scheme
- learning systems
- image classification
- active learning
- signal processing
- neural network
- supervised learning
- artificial neural networks
- background knowledge
- learning tasks
- learning analytics
- learning community
- high dimensional
- reinforcement learning
- macro operators