FastVGG network and its application in automatic identification of traffic signs Online publication date: Mon, 31-Jan-2022
by Kaige Gui; Shangbing Gao; Xinyuan Li; Zhonghe Lu
International Journal of Information and Communication Technology (IJICT), Vol. 20, No. 2, 2022
Abstract: Traffic sign recognition is an important part of driver assistance systems. Because the types of traffic signs are complex and diverse, they are difficult to identify. Traditional recognition methods require manual extraction of features, which is difficult and inaccurate. This paper proposes a FastVGG network based on VGG neural network to extract the features of the target image to realise the recognition of traffic signs under different angles and illumination. In the method of this paper, the connection layer parameters and the number of network layers are moderately reduced, the merging step is increased, and the recognition speed is improved. When the parameter value is less than zero, the leaky ReLU is used to replace the activation function to solve the problem of neuron death. The experimental results of the German traffic sign recognition dataset (GTSRD) show that the algorithm can achieve accurate classification while increasing the speed.
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