Table 1.

Abbreviations and full names

Abbreviation	Full name
MRMR	Maximal-relevance-minimal-redundancy
SSGMM	Semi-supervised Gaussian mixture model
GLCM	Grey-level co-occurrence matrix
NGLDM	Neighbouring grey-level dependence matrix
SVM	Support vector machine
GMM	Gaussian mixture model
EM	Expectation maximisation
ANN	Artificial Neural Network
NB	Naive Bayes
LDA	Latent Dirichlet Allocation
KM	k-means
BMP	Bayesian probabilistic model