Interval Recognition Algorithm of the Pavement Surface Condition Based on Lagrange Interpolation Method

Table 3

Parameter table of recognition interval of the typical pavement surface.

Road number	Surface condition	Interval	Value
1	Ice	(0, L1)	(0, 0.12)
2	Snow	[L1, L2)	[0.12, 0.285)
3	Wet cobblestone	[L2, L3)	[0.285, 0.59)
4	Wet asphalt	[L3, L4)	[0.59, 0.945)
5	Dry cement	[L4, L5)	[0.945, 1.13)
6	Dry asphalt	[L5, L6)	[1.13, 1.53)