车牌识别定位程序的部分功能，采用偏最小二乘法，IDW距离反比加权方法，是信号处理的基础，用于图像处理的独立分量分析，利用贝叶斯原理估计混合logit模型的参数。- Part of the license plate recognition locator feature, Partial least squares method, IDW inverse distance weighting method, Is the basis of the signal processing, Independent component analysis for image processing, Bayesian parameter estimation principle mixed logit model.