步态识别关键技术研究。包括阴影消除；多人跟踪；特征提取及多特征融合。 这可是一篇对研究步态的朋友有用的硕士论文哦-Gait recognition research of key technologies. Including the elimination of the shadow people tracking feature extraction and multi-feature fusion. This is one pairs of friends gait researc