A Gaussian mixture model for underdetermined independent component analysis.
Yingyu ZhangXizhi ShiChi Hau ChenPublished in: Signal Process. (2006)
Keyphrases
- gaussian mixture model
- independent component analysis
- mixing matrix
- blind source separation
- source signals
- independent components
- mixture model
- principal component analysis
- signal processing
- feature vectors
- factor analysis
- blind separation
- em algorithm
- maximum likelihood
- source separation
- background subtraction
- feature space
- probability density function
- single channel
- density estimation
- principle component analysis
- hyperplane
- similarity measure
- multiscale
- natural images
- feature extraction