抄録
This research is aiming at creation a visual supplement system. In the current researches of automatic extraction system of road traffic signs, the noise due to the variation of illumination condition, and the obscure image due to shielding affected negatively about the correct extraction of road traffic signs. In this research, robust characters were applied in the extraction of road traffic signs, adding with the new alternative method, to improve the road traffic sign recognition system. Audio warning and visual expression were added to remind the driver for a better warning.