结合PCA的尺度不变特征变换(SIFT)算法，包含位置式PID算法、积分分离式PID，最大似然（ML）准则和最大后验概率（MAP）准则，进行逐步线性回归，包含CV、CA、Single、当前、恒转弯速率、转弯模型。- Combined with PCA scale invariant feature transform (SIFT) algorithm, It contains positional PID algorithm, integral separate PID, Maximum Likelihood (ML) criteria and maximum a posteriori (MAP) criterion, Stepwise linear regression, It contains CV, CA, Single, current, constant turn rate, turning model.