Duy, Khanh Nguyen, Duy Le Dinh, and Duc Duong Anh. “TRAFFIC SIGN DETECTION USING LOCAL FEATURES”. <i>Vietnam Journal of Science and Technology</i> 49, no. 5 (August 9, 2012). Accessed January 12, 2026. https://vjs.ac.vn/jst/article/view/1892.