Closed-Form EM for Sparse Coding and Its Application to Source Separation.
Jörg LückeAbdul-Saboor SheikhPublished in: LVA/ICA (2012)
Keyphrases
- closed form
- topic models
- sparse coding
- source separation
- generative model
- probabilistic model
- blind source separation
- independent component analysis
- expectation maximization
- em algorithm
- denoising
- unsupervised learning
- natural images
- mixture model
- sparse representation
- bayesian framework
- hyperparameters
- gaussian process
- image representation
- linear combination
- image segmentation
- image classification
- image patches
- multiscale
- dimensionality reduction
- similarity measure
- support vector
- machine learning
- maximum likelihood