Orthogonality-Promoting Dictionary Learning via Bayesian Inference.
Lei LuoJie XuCheng DengHeng HuangPublished in: AAAI (2019)
Keyphrases
- bayesian inference
- dictionary learning
- sparse coding
- sparse representation
- probabilistic model
- hyperparameters
- prior information
- bayesian model
- statistical inference
- particle filter
- natural images
- image representation
- expectation propagation
- machine learning
- linear combination
- unsupervised learning
- nonnegative matrix factorization
- signal processing
- markov random field
- clustering algorithm