Research Article

Rank-Two NMF Clustering for Glioblastoma Characterization

Table 1

GLCM features.

FeatureFormulaFeatureFormula

ContrastSum average
EnergyCluster shade
DissimilarityCluster prominence
EntropyMaximum probability
CorrelationDifference variance
HomogeneityAutocorrelation
VarianceSum entropy
Difference entropySum variance