Learning Sparse Representations from Datasets with Uncertain Group Structures: Model, Algorithm and Applications.
Longwen GaoShuigeng ZhouPublished in: AAAI (2015)
Keyphrases
- learning algorithm
- probabilistic model
- objective function
- similarity measure
- sparse representation
- dimensionality reduction
- negative matrix factorization
- dictionary learning
- input data
- em algorithm
- single image super resolution
- sparse reconstruction
- energy function
- expectation maximization
- signal processing
- prior knowledge
- learning tasks
- regularized least squares
- machine learning