传统的图像阈值分割算法是将彩色图像转换为灰度图像再进行分割。通过分析RGB颜色空间的特点，本文提出 基于RGB颜色空间的阈值分割算法，-The classical image threshold segmentation algorithm converts the color image to grayseah image before segmentation． On the base of analysis upon the characters of RGB color spac