Table 4 Evaluation index system

From: Evaluation method for the hyperspectral image camouflage effect based on multifeature description and grayscale clustering

Index	Target	Background
Index	Target	Spruce	Wutong	Grass	Cement
Spectral Distance	Camouflage Net	0.3333 (0)	0.5487 (0) 0.4513 (1)	0.5473 (0)	0.1607 (3) 0.8393 (4)
Spectral Distance	Cars (Black)	0.7860 (4) 0.2140 (5)	0.0413 (4) 0.9587 (5)	0.9933 (1) 0.0067 (2)	0.3333 (0)
Spectral Derivative	Camouflage Net	0.6920 (1) 0.3080 (0)	0.3333 (0)	0.6633 (1) 0.3367 (0)	0.9053 (3) 0.0947 (4)
Spectral Derivative	Cars (Black)	0.5080 (3) 0.4920 (4)	0.1460 (3) 0.8540 (4)	0.5153 (3) 0.4847 (4)	0.3333 (0)
Curve Shape	Camouflage Net	0.6307 (1) 0.3693 (2)	0.4600 (2) 0.5400 (3)	0.3333 (0)	0.7073 (4) 0.2927 (5)
Curve Shape	Cars (Black)	0.2827 (2) 0.7173 (3)	0.8853 (4) 0.1147 (5)	0.9001 (5)	0.3333 (0)
Spatial Texture	Camouflage Net	0.3333 (0)	0.6387 (0)	0.6247 (1) 0.3753 (2)	0.2153 (5)
Spatial Texture	Cars (Black)	0.8807 (3) 0.1193 (4)	0.8607 (2) 0.1393 (3)	0.8967 (5)	0.3333 (0)

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