A machine vision system is developed to identify weed and soil background.The hue of the weed images is selected as color eigenvalue.The method of threshold is applied to identify weed and background.

• 开发了一种计算机视觉系统，该系统选取杂草图像的色度值为颜色特征参数，采用阈值处理技术识别杂草和土壤背景物。