A multilevel features selection framework for skin lesion classification

Table 5 Features fusion and reduction percentage

Vector fusion	Input dimension	Output dimension	Percentage reduction (%)
\({PH}^{2}\)
FV0–FV1	160 × 2000	160 × 50	97.50
FV0–FV2	160 × 2000	160 × 53	97.35
FV1–FV2	160 × 2000	160 × 55	97.25
FV0–FV1–FV2	160 × 3000	160 × 45	98.50*
ISIC-MSK
FV0–FV1	180 × 2000	180 × 99	95.05
FV0–FV2	180 × 2000	180 × 125	93.75
FV1–FV2	180 × 2000	180 × 167	91.65
FV0–FV1–FV2	180 × 3000	180 × 95	96.83
ISIC-UDA
FV0–FV1	446 × 2000	446 × 227	88.65
FV0–FV2	446 × 2000	446 × 197	90.15
FV1–FV2	446 × 2000	446 × 161	91.95
FV0–FV1–FV2	446 × 3000	446 × 104	96.53
ISBI-2017
FV0–FV1	2200 × 2000	2200 × 107	95.13
FV0–FV2	2200 × 2000	2200 × 65	97.05
FV1–FV2	2200 × 2000	2200 × 53	97.59
FV0–FV1–FV2	2200 × 3000	2200 × 49	98.37