Skip to main content

Entropy Estimation of Network Traffic Flow Data

Matthew Turk

University of California, Santa Barbara

Thursday, May 3, 2007
Talk: 11:00 am - 12:00 pm
3105 Engineering

Host: Anil Jain


Computer vision holds great promise as a sensing modality in mobile computing environments such as augmented reality (AR) systems, both for looking "out" at the world and looking "in" at the user. I will describe an example of the latter, where a robust, real-time hand gesture recognition system allows the user to interact with applications in a natural and compelling fashion, without the need to carry extra devices. The system reliably detects hands in the view of the small head-worn camera, tracks them in the presence of complex backgrounds and changing illumination conditions, and recognizes several gestures/postures which trigger application-specific events. We have demonstrated prototypes of the system in the context of general mobile interfaces and specific scenarios such as search-and-rescue AR systems, including integrating with other modalities into a multimodal wearable computing system.


Matthew Turk is a professor in the Computer Science Department and Chair of the Media Arts and Technology Graduate Program at the University of California, Santa Barbara (UCSB). He received a B.S. in Electrical Engineering from Virginia Tech in 1982 and an M.S. in Electrical and Computer Engineering from Carnegie Mellon University in 1984, where his Master's work was in the area of robot fine motion planning. From 1984 to 1987, he worked for Martin Marietta Denver Aerospace on computer vision for autonomous robot navigation. In 1987 he went to the Massachusetts Institute of Technology, where he received a Ph.D. from the Media Lab in 1991 for his work on automatic face recognition. A paper on this work received an IEEE Computer Society Outstanding Paper award at the IEEE Conference on Computer Vision and Pattern Recognition in 1991; another paper from his thesis work received a "Most Influential Paper of the Decade Award" from the IAPR MVA2000 workshop. After a year as a visiting researcher at LIFIA/ENSIMAG in Grenoble, France, he worked at Teleos Research in Palo Alto, CA, and then joined Microsoft Research in 1994 as a founding member of the Vision Technology Group. In 2000, he joined the faculty at UCSB, where he founded and now co-directs the Four Eyes Lab, whose research focus is on the "four I's" of Imaging, Interaction, and Innovative Interfaces. He is the chair of the advisory board for the International Conference on Multimodal Interfaces and on the editorial board for the Journal of Image and Vision Computing. He was general chair of the ACM Multimedia Conference in 2006.