Road Surface State Recognition Based on SVM Optimization and Image Segmentation Processing

Table 9

The dry road surface image identification results statistics.

State	State symbol	Number of blocks	Grid search	PSO	Grid search/%	PSO/%
Dry	D	45	35	43	77.78%	95.56%
Wet	Wt		10	2	22.22%	4.44%
Water	Wr		0	0	0	0
Snow	S		0	0	0	0
Ice	I		0	0	0	0