Table 3. . Rank of dynamics measures based on clustering ability.

Rank	Measure	Matrix type	Filter band	Purity
1	sharpness	PDM	alpha	0.725
2	sharpness	CDM	delta	0.700
3	sharpness	PDM	theta	0.700
4	sharpness	CDM	all	0.675
5	sharpness	CDM	theta	0.625
6	mean	CDM	all	0.600
7	mean	CDM	all	0.600
8	mean	PDM	theta	0.600
9	contrast	CDM	theta	0.600
10	sharpness	CDM	alpha	0.600