Research on Recognition and Evaluation of Traffic Guide Sign

Table 7

Weights of different influence factors.

Weight of rule layer ()	Influence factor	Weight of index layer ()	Comprehension weight
Setting form and position ()	Setting position	0.338	0.140
	Sign number in one place	0.185	0.077
	Occlusion degree	0.313	0.130
	Sign height	0.164	0.068
Layout and font ()	Character size	0.367	0.127
	Character number	0.306	0.106
	Information complexity	0.327	0.113
Color, reflection, and illumination ()	Indistinct degree	0.339	0.082
	Reflection performance	0.244	0.059
	Illumination equipment	0.226	0.054
	Color contrast	0.191	0.046