Improving dictionary learning using the Itakura-Saito divergence.
Zhenni LiShuxue DingYujie LiZunyi TangWuhui ChenPublished in: ChinaSIP (2014)
Keyphrases
- dictionary learning
- relative entropy
- sparse representation
- sparse coding
- information theoretic
- information theory
- bregman divergences
- covariance matrix
- object category recognition
- log likelihood
- mahalanobis distance
- image classification
- sparse codes
- kullback leibler divergence
- loss function
- image representation
- active learning
- pattern recognition
- bayesian networks
- machine learning