5Yang H M,Liu C L,Huang S M.Traftic sign recognition in disturbing environments[C]//Proc of ISMIS'03, Macbashi City, Japan, 2003 : 28-31.
6Pavel P,Novovicova J.Road sign classification without color information[C]//Proceedings of the 6th Conference of Advanced School of Imaging and Computing,2000.
7Ishizuka Y, Hirai Y.Segmentation of road sign symbols using opponent-color filters[C]//Proceedings of 11th World Congress on ITS, Nagoya, Aichi Japan, 2004: 18-22.
8Health A,Sarkar S, Sanoeki T,et al. Comparsion of Edge Detectors :A Methodology and Initial Study[J ]. Computer Vision and Image Understanding, 1998,69(1) :38 - 54.
9Smola A J,Scholkopf B.A Tutorial on Support Vector Regression[R]. NeuroColt2 Technical Report Series, 1998.1 - 20.
10Pratt W K. Digital image processing (Second edition)[ M ].New York: Wiley2 Interscience, 1995. 491-556.