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

Table 21

The water road surface image identification results statistics.

State	State symbol	Number of blocks	Grid search	PSO	Grid search/%	PSO/%
Dry	D	48	2	0	4.17%	0
Wet	Wt		2	4	4.16%	8.33%
Water	Wr		36	43	75%	89.59%
Snow	S		2	0	4.17%	0
Ice	I		6	1	12.5%	2.08%