基于时空上下文模型的人脸快速追踪算法。采用概率置信模型和傅里叶频谱进行定位，还包含目标尺度变化，速度很快。-Face model based on temple-spatial context of rapid tracing algorithm. Confidence probabilistic model and the Fourier spectrum positioning also includes object scale

时空上下文追踪的一个实例代码，可以自行修改(An instance code of a spatio-temporal context tracing that can be modified by itself)