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HONG KONG BAPTIST UNIVERSITY
FACULTY OF SCIENCE

Department of Computer Science Colloquium
2016 Series

Human Activity Recognition and Human Authentication Using WiFi Signals

Prof. Alex X. Liu
Professor
Michigan State University
United States

Date: October 13, 2016 (Thursday)
Time: 10:30 - 11:30 am
Venue: RRS905, Sir Run Run Shaw Building, Ho Sin Hang Campus

Abstract
Human activity recognition is the core technology that enables a wide variety of applications such as health care, smart homes, fitness tracking, and building surveillance. We recognize human activities using signals from commercial WiFi devices. Human bodies reflect wireless signals as they are mostly made of water. Different human activities cause different changes on wireless signals. Thus, by analyzing the changes in wireless signals, we can recognize the corresponding human activities that cause the changes. We classify human activities into macro activities, which involve mostly arm, leg, or body scale movements, and micro activities, which involve mostly finger or hand scale movements. Human activity recognition and monitoring is the enabling technology for various applications such as elderly/health care, building surveillance, human-computer interaction, health care, smart homes, and fitness tracking. Other than human activity recognition, we have also investigated gait based human authentication using WiFi signals.

Biography
Alex X. Liu is a Professor at Michigan State University. He obtained his Ph.D. degree in Computer Science from The University of Texas at Austin in 2006. He received the IEEE & IFIP William C. Carter Award in 2004, the National Science Foundation CAREER Award in 2009, and the Michigan State University Withrow Distinguished Scholar Award in 2011. His special research interests are in networking, security, and privacy. His general research interests include computer systems, distributed computing, and dependable systems.

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http://www.comp.hkbu.edu.hk/v1/?page=seminars&id=396
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