Intelligent Recognition System Based on Contour Accentuation for Navigation Marks

Table 1

The comparison of accuracy among different models.

Model	Original dataset	Contour enhanced dataset
GoogleNet	0.8881	0.8954
VGG-16	0.8973	0.9017
VGG-19	0.9035	0.9073
AlexNet	0.9091	0.9101
SqueezeNet	0.9208	0.9252
ResNet-50	0.9414	0.9466
RMA	0.9598	0.9653