Table 3. Accuracy of the different dimensionality reduction ratios.

Reduction ratio	Fmeasure	Dice
(4, 16)	0.6203	0.827
(8, 8)	0.6207	0.829
(16, 4)	0.6497	0.841
(8, 16)	0.6375	0.840
(16, 8)	0.6198	0.818