Lin, Tsung-I; McNicholas, Paul D.; Ho, Hsiu J. - In: Statistics & Probability Letters 88 (2014) C, pp. 80-87
Parsimonious mixtures of multivariate t-factor analyzers are used for robust clustering of high-dimensional data. Sixteen parsimonious mixtures of t-factor analyzers are utilized and the AECM algorithm is used for parameter estimation. Application to compact facial representation is illustrated.