this code is to track the human body in a serial of images or in a video。it uses c++ and opencv ，before using，u should makesure u have opencv。

opencv 实现人体的多目标跟踪，跟踪精度中等，有待进一步的提高，但有一定的参考价值。-opencv realize the human body tracking, tracking accuracy middle, to be further improved, but there is a certain reference value.