Multiple thresholding and subspace based approach for detection and recognition of traffic sign

被引:22
作者
Gudigar, Anjan [1 ]
Chokkadi, Shreesha [1 ]
Raghavendra, U. [1 ]
Acharya, U. Rajendra [2 ,3 ]
机构
[1] Manipal Univ, Manipal Inst Technol, Dept Instrumentat & Control Engn, Manipal 576104, Karnataka, India
[2] SIM Univ, Ngee Ann Polytech, Dept Elect & Comp Engn, Singapore 599489, Singapore
[3] Univ Malaya, Fac Engn, Dept Biomed Engn, Kuala Lumpur 50603, Malaysia
关键词
Advanced driver assistance system; Computer vision; Multiple thresholds; Support vector machine; Traffic sign recognition;
D O I
10.1007/s11042-016-3321-6
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Automatic detection and recognition of traffic sign has been a topic of great interest in advanced driver assistance system. It enhances vehicle and driver safety by providing the condition and state of the road to the drivers. However, visual occlusion and ambiguities in the real-world scenario make the traffic sign recognition a challenging task. This paper presents an Automatic Traffic Sign Detection and Recognition (ATSDR) system, involving three modules: segmentation, detection, and recognition. Region of Interest (ROI) is extracted using multiple thresholding schemes with a novel environmental selection strategy. Then, the traffic sign detection is carried out using correlation computation between log-polar mapped inner regions and the reference template. Finally, recognition is performed using Support Vector Machine (SVM) classifier. Our proposed system achieved a recognition accuracy of 98.3 % and the experimental results demonstrates the robustness of traffic sign detection and recognition in real-world scenario.
引用
收藏
页码:6973 / 6991
页数:19
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