利用模板进行道路追踪，并通过最小二乘法对模板追踪的图像进行曲线拟合。计算出曲线方程用于实现道路的识别-use template for road tracking, and through least squares method to trace the template image curve fitting. Calculated curve equation for the path of achieving recognition

MATLAB最小二乘法椭圆拟和的问题，能够根据检测点的坐标拟合出椭圆方程