Both exhibit very strong robustness under various conditions such as poor illumination and cluttered background noise.

• 本文的主要成果包括：第一，将树状多视角人脸检测器引入粒子滤波器的概率跟踪框架，提出了一种融合了检测信息的跟踪方法，具有高鲁棒性和实时性，并解决了跟踪算法的自动初始化问题。