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 keyfr a me 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