Table 2. Comparison of conventional and proposed methods.

SVM with HOG Adaboost with Haar SVM with CtC Proposed method
Number of signs 3168 3168 3168 3168
Detection 2968 3059 2809 3129
Recognition 2836 2890 2747 3027
false Recognition 332 188 421 141
speed 48ms 45ms 35ms 46ms
Recognition rate 89.5% 91.2% 86.7% 95.5%