人体步态特征生物识别方法研究

Biometrics study based on human gait feature

人体行走步态特征是一类重要的生物特征,基于步态特征实现生物识别的方法具有较多优势。在分析人体行走步态特征的基础上,讨论了当前步态识别研究中采用的视频获取、目标提取、步态特征检测以及分类识别的主要技术,研究了基于雷达的步态信号提取方法并给出了实验步态信号时频分析结果;分析了当前研究中存在的主要难点,提出了基于视频、雷达等多传感器数据融合提高步态识别能力的方法,讨论了步态识别的应用领域和前景。

Human walking gait are important biological features,and there are many advantages for biological identifying based on gait features.On the basis of analyzing gait features,the technology for video image acquirement,object extraction and gait features detection,classifying and identifying are discussed in the paper and radar gait signal and features are studied and the result by using time-frequency analysis on gait signal is presented.The main difficult point in current research is analyzed and the new multi sensor data fusion method based on video and radar is also proposed.Finally the application of gait biometrics is discussed in this paper.