中文说明：程序实现了kalman滤波跟踪，包括注释以及测试样本。代码包括两个.m文件，其中extract是特征提取文件，kalman是预测文件， 运行时只要运动kalman.m文件。本程序在matlab 2012a下能够稳定执行。
English Description：
Program tracking Kalman filtering, including comments, as well as test samples. Code includes two. m file, extract of which is extracting files, Kalman is predicting file movement as long as the run Kalman.m file. Under this program in MATLAB 2012a stable execution.