博士论文；提出了幅值谱和反射对称作为关键帧特征的步态识别算法；小波速度矩和小波反射对称矩，以及用二者的结合来描述步态；分形维数小波分析描述子步态识别算法；静态特征和动态特征相结合的三维步态识别方法-Doctoral dissertation　put forward the amplitude spectrum and reflection symmetry characteristics as keyframe gait recognition algorithm　wavelet velocity moments and wavelet moments reflection symmetry, and the combination of the two to describe the gait　fractal dimension wavelet analysis described in sub-step state recognition algorithm　static characteristics and dynamic characteristics of a combination of three-dimensional gait recognition method