Nonnegative dictionary learning in the exponential noise model for adaptive music signal representation.
Onur DikmenCédric FévottePublished in: NIPS (2011)
Keyphrases
- noise model
- dictionary learning
- dictionary learning for sparse
- sparse coding
- sparse representation
- sparsity constraints
- noisy images
- noise level
- optimization procedure
- gaussian distribution
- signal processing
- objective function
- machine learning
- image representation
- maximum likelihood
- multiscale
- face recognition
- linear combination
- active learning
- prior knowledge
- pairwise
- object recognition
- gaussian noise
- neural network