基于Wi-Fi信号的人体身份识别算法研究综述  

Survey of Human Identification Algorithms Based on Wi-Fi Signal

作　　者：孔金生[1] 李婧馨 段鹏松[1] 曹仰杰[1] KONG Jin-sheng;LI Jing-xin;DUAN Peng-song;CAO Yang-jie(School of Software Engineering,Zhengzhou University,Zhengzhou 450002,China)

机构地区：[1]郑州大学软件学院,郑州450002

出　　处：《计算机科学》2021年第10期246-257,共12页Computer Science

基　　金：国家自然科学基金面上项目(61972092);郑州市协同创新重大专项(20XTZX06013);河南省高等学校重点科研项目计划(21A520043)。

摘　　要：近年来,Wi-Fi感知凭借低成本、非接触式、不受光照影响、隐私性更好等优势,成为人机交互的新兴研究方向。目前,Wi-Fi感知研究已从目标定位扩展到动作识别、身份识别等领域。以人体身份识别为例,对Wi-Fi感知技术在该领域的研究进行了总结和分析。首先,对Wi-Fi感知技术的发展历史及优缺点进行了简要概述,并介绍了与传统的身份识别技术相比,利用Wi-Fi信号进行身份识别的优势;其次,详细介绍了Wi-Fi感知身份的基本流程,其中包括信号采集、预处理、特征提取、身份识别4个步骤,并具体介绍了每个步骤具体的操作过程;然后,从步态与手势两个方面对现有的Wi-Fi感知身份研究成果进行了横向与纵向的对比和分析;最后,针对目前该领域研究中存在的关键问题,提出了未来的研究重点,主要包括多人身份识别与迁移学习。In recent years,Wi-Fi perception has become an emerging research direction in human-computer interaction due to its advantages of low cost,non-contact,unaffected by light,and better privacy.At present,the research of Wi-Fi perception has expanded from target positioning to fields such as action recognition and identity recognition.Taking human identity recognition as an example,the research on Wi-Fi perception technology in this field is summarized and analyzed.First,it briefly summarizes the development history,advantages and disadvantages of Wi-Fi perception technology,and introduces the advantages of using Wi-Fi signals for identification compared with traditional identification technologies.Second,it introduces Wi-Fi in detail.The basic process of perceiving identity includes 4 steps of signal acquisition,preprocessing,feature extraction,and identity recognition,and the specific operation process of each step is introduced in detail.Third,the existing gait and gestures are compared to the existing ones in terms of gait and gestures.The research results of Wi-Fi-aware identity are compared and analyzed horizontally and vertically.Finally,in view of the key issues in the current research in this field,the focus of future research is proposed,mainly including multi-person identification and migration learning.

关 键 词：Wi-Fi感知 身份识别 RSS CSI 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]