The automatic segmentation of road sign and recognition is the important support software of the intelligent transportation system, there are important theory and practical values.

交通标志的自动分割和识别是智能车辆的重要软件支撑，具有重要的理论意义和实用价值。

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As the guidance recognition medium, the Guiding Sign System of urban public space serve the people in order to enhance the convenience and the information transmission.

城市公共空间导识系统，作为导向识别的媒介，为提高人们生活的方便和信息的传达而服务。

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The traffic sign automatic recognition system is composed of the following modules: image segment, camera calibration, characteristic curve extraction, three-dimension recovery and image matching.

本文设计交通标识牌自动识别系统由以下几个模块组成：图像分割、摄像机标定、特征曲线的提取、三维复原和图像匹配。

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