Modelling facial colour and identity with Gaussian mixtures.
Stephen J. McKennaShaogang GongYogesh RajaPublished in: Pattern Recognit. (1998)
Keyphrases
- gaussian mixture
- em algorithm
- gaussian mixture model
- expectation maximization
- face recognition
- probability density function
- covariance matrix
- closed form
- face images
- mixture model
- facial expressions
- covariance matrices
- human faces
- density estimation
- gaussian densities
- maximum likelihood
- upper bound
- image patches
- knowledge discovery
- machine learning