中文摘要：

在农业智能车辆导航中，智能车辆导航参数的提取是其关键技术。为此，在分析了当前各种导航一参数提取的方法后，在图像预处理及边界提取的基础上，提出了应用Radon变换的方法进行参数提取。实验结果表明，该方法的测量精度与当前其它类似研究的水平相当。

英文摘要：

Parameter＇ determination is the key technology in the visual navigation Of agriculture vehicle：;In this paper, the main methods of visual navigation parameter＇ determination are analyzed, and Radon transform is applied to determine the parameter,based on image pretreatment and edge detetion. The experimental,results show that the measuring precisions of navigation parameters are similar to the level reached in the Same kind of international researches.