Blind Source Separation as Pre-processing to Unsupervised Keyword Spotting via an ICA Mixture Model.
Muhammad AzamNizar BouguilaPublished in: MWSCAS (2018)
Keyphrases
- mixture model
- blind source separation
- keyword spotting
- independent component analysis
- unsupervised learning
- speech recognition
- component analysis
- speech signal
- hidden markov models
- source separation
- language model
- blind separation
- gaussian mixture model
- independent components
- non stationary
- em algorithm
- independent components analysis
- principal component analysis
- probabilistic model
- generative model
- expectation maximization
- model selection
- feature extraction
- source signals
- negative matrix factorization
- semi supervised
- signal processing
- maximum likelihood
- dimensionality reduction
- object recognition
- visual features
- factor analysis
- sparse representation
- video data
- feature selection
- high dimensional
- image segmentation