Traffic sign recognition plays an important role in autonomous vehicles as well as advanced driver assistance systems. Although various methods have been developed, it is still difficult for the state-of-the-art algorithms to obtain high recognition precision with low computational costs. In this paper, based on the investigation on the influence that color spaces have on the representation learning of convolutional neural network, a novel traffic sign recognition approach called DP-KELM is proposed by using a kernel-based extreme learning machine (KELM) classifier with deep perceptual features. Unlike the previous approaches, the representation learning process in DP-KELM is implemented in the perceptual Lab color space. Based on the learned deep perceptual feature, a kernel-based ELM classifier is trained with high computational efficiency and generalization performance. Through the experiments on the German traffic sign recognition benchmark, the proposed method is demonstrated to have higher precision than most of the state-of-the-art approaches. In particular, when compared with the hinge loss stochastic gradient descent method which has the highest precision, the proposed method can achieve a comparable recognition rate with significantly fewer computational costs.


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    Title :

    Traffic Sign Recognition Using Kernel Extreme Learning Machines With Deep Perceptual Features


    Contributors:
    Zeng, Yujun (author) / Xu, Xin (author) / Shen, Dayong (author) / Fang, Yuqiang (author) / Xiao, Zhipeng (author)


    Publication date :

    2017-06-01


    Size :

    878077 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English