Features Combination Group NO.	Shape Features (4)	Textural Features (65 × 4)				Dimensionality Reduction Features (24)
Features Combination Group NO.	Shape Features (4)	Inner Area (65)	Ring Area (65)	Rectangular Area (65)	Whole Area (65)	Dimensionality Reduction Features (24)
1	√
2		√
3			√
4				√
5					√
6		√	√
7		√	√	√
8	√	√
9	√	√	√
10	√	√	√	√
11	√	√	√	√	√
12						√