基于OpenCV的例程，修改实现了基于MFC对话框构架的决策树算法，将部份注释和运行提示译成了中文，有助于更好地理解原程序。-MFC dialog based Decision-Tree algorithm modifited from OpenCV source code, adding Chinese comment for better understanding the program.

随机森林算法，用来训练检测器的决策树。行人跟踪的一种常用算法-Random Forest algorithm is used to train the detector tree. A common pedestrian tracking algorithm