Toronto Networking Seminar


Organized by Department of Computer Science and
Department of Electrical and Computer Engineering, University of Toronto







Object Discovery and 
Localization in Active Sensing Networks: Theory and Algorithms





Rong Zheng


Department of Computer 
Science


University of Houston




Date:  Friday, October 23,  2pm

Location: BA 1210 



Abstract:




  Distributed active 
  sensing is a new sensing paradigm, where active sensors as illuminating 
  sources and passive sensors as receivers are distributed in a field, and 
  collaboratively detect objects of interest. Object discovery concerns with the 
  problem of detecting the presence and determining the location of objects with 
  many applications in robot navigation, object tracking, and surface and/or 
  structure fatigue testing etc. In this talk, we study the fundamental 
  properties of distributed active sensing networks (DASNs) in detecting and 
  localizing objects. A novel notion of “exposure” is defined, which quantifies 
  the dimension limitations in detectability. Using simple geometric constructs, 
  we propose polynomial-time algorithms to compute the exposure and regions 
  where the center of the objects may lie. We also discuss our initial results 
  on tracker design for mobile objects.



Bio:


Rong Zheng is an assistant 
  professor of the Department of Computer Science, University of Houston since 
  2004; and is the founder of the wireless system research group. She received 
  her PhD degree from Department of Computer Science, University of Illinois at 
  Urbana-Champaign in May 2004 and earned her ME and BE in Electrical 
  Engineering in May 1998 and June 1996 from Tsinghua University, People’s 
  Republic of China. Dr. Zheng received the National Science Foundation CAREER 
  Award in 2006. She is presently a member of IEEE Computer Society and ACM. Her 
  research interests include modeling and design of wireless systems, network 
  information theory, and distributed algorithms.



Host of the talk



  Ben Liang (liang@comm.utoronto.ca)