车牌识别定位程序的部分功能，现代信号处理中谱估计在matlab中的使用，可实现对二维数据的聚类，使用大量的有限元法求解偏微分方程，多目标跟踪的粒子滤波器。- Part of the license plate recognition locator feature, Modern signal processing used in the spectral estimation in matlab, Can realize the two-dimensional data clustering, Using a large number of finite element method to solve partial differential equations, Multi-target tracking particle filter.