Wen-Yen Wu and Tsung-Cheng Hsieh and Ching-Sung Lai, Extracting Road Signs using the Color Information. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. August 2007, vol. 8(8). 2391 - 2395 [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/890.