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BehaviorScope: A Distributed Sensor Network for Understanding Behaviors in Space and Time

Andreas Savvides
Electrical Engineering and Computer Science Departments
Embedded Networks and Applications Lab (ENALAB)
Yale University

Friday, December 1, 2006
JEC 3117, 11:00 a.m to 12:00 p.m.
(Refreshments at 10:30 a.m.)

The application of wireless sensor network technologies to everyday life situations still remains highly unexplored. To enable such applications, a new breed of sensor networks needs to observe and interpret the behaviors of people in physical space and autonomously react to provide services. Furthermore, they are expected to do so with low latencies and without invading the privacy of their users. In this talk, I will describe a new sensor network architecture, the BehaviorScope, which aims to parse out human behaviors through sensor observations. A framework of probabilistic grammars used to transform low-level sensor data to high-level semantic interpretations. Our focus is to detect behaviors without tagging people with sensors. For this we are developing a custom image sensing modality that provides accurate motion information without revealing any image information. This modality and its application in an assisted living testbed will also be described.


Andreas Savvides is an Assistant Professor in the Electrical Engineering and Computer Science Departments at Yale University. He is the founder of the Embedded Networks and Applications Lab (ENALAB) that specializes in the design and implementation of distributed sensor networks and smart spaces. Dr. Savvides completed his Ph.D. in the Electrical Engineering Department at UCLA in 2003. Before this he earned his B.S in Computer Engineering from the University of California, San Diego and an M.S in Electrical and Computer Engineering from UMASS, Amherst. During his graduate studies he has been a member of the Networked Embedded Systems Lab (NESL) and the Center for Embedded Networked Sensing (CENS) at UCLA. Prior to joining UCLA, he worked for 6 months as a researcher in ad-hoc networks at the HRL Labs in Malibu, California. Dr. Savvides research is supported by an NSF CAREER award, other NSF grants and industrial support. Dr. Savvides is also a member of the Sensor Networks Consortium at Boston University.

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