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Events for April 28, 2009
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An Analytic Method for Evaluating the Performance of Aggregation Rules for Probability Densities
Tue, Apr 28, 2009 @ 09:30 AM - 11:00 AM
Daniel J. Epstein Department of Industrial and Systems Engineering
University Calendar
Daniel J. Epstein Department of Industrial & Systems Engineering Seminar:"An Analytic Method for Evaluating the Performance of Aggregation Rules
for Probability Densities" Stephen C. HoraCollege of Business and Economics, University of Hawaii at HiloABSTRACT: We discuss how infinite sequences of densities with defined properties can be used to evaluate the expected performance of mathematical aggregation rules for elicited densities. The performance of these rules is measured through the average variance, calibration, and average Brier score of the aggregates. General results for the calibration of the arithmetic average of densities from well-calibrated independent experts is given. Arithmetic and geometric aggregation rules are compared using sequences of normal densities. Sequences are developed that exhibit dependence among experts and lack of calibration. The impact of correlation, number of experts, and degree of calibration on the performance of the aggregation is demonstrated using normal densities. TUESDAY, APRIL 28, 2009, RALPH & GOLDY LEWIS HALL (RGL) ROOM 309, 9:30–11:00 AM
Location: Ralph And Goldy Lewis Hall (RGL) - 308
Audiences: Everyone Is Invited
Contact: Georgia Lum
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Overview of Video Processing Methods and Picture Quality Optimization
Tue, Apr 28, 2009 @ 11:00 AM - 12:00 PM
Ming Hsieh Department of Electrical and Computer Engineering
Conferences, Lectures, & Seminars
Speaker: Dr. Jorge E. Caviedes,
Intel Corporation,
Chandler, ArizonaAbstract: This talk will present first an overview of the video processing methods for consumer applications, and discuss the components of the video processing chain and the overall processing characteristics. The second part will discuss how to achieve optimum picture quality with the video processing chain. The topics include video quality metrics, overall quality assessment, and methods to introduce automated quality control into the video processing chain.Biography: Dr. Caviedes is a Principal Engineer in the Digital Home Group of Intel Corporation, Chandler, Arizona. He is a multi-disciplinary scientist, expert in video/image processing and system design, no-reference quality metrics for enhanced/degraded video and their applications. He also serves as adjunct professor in the EE department of Arizona State University; co-founder and general co-chair of the annual International Workshop onVideo Processing and Quality Metrics for Consumer Electronics since 2005. Prior to Joining Intel in 2003, Dr. Caviedes was a Principal Member Research Staff at Philips Research. During his affiliation with Philips Research between 1987 and 2002 he worked in the labs at Briarcliff, NY, USA (1987-1998, 2001); Paris, France (1999-2000); and Eindhoven, the Netherlands (2002). In 1998, Dr. Caviedes was a Fulbright scholar at the University of the Andes where he taught graduate level courses on Medical Informatics. He has published over 35 technical papers, and holds 14 US patents (plus 23 pending).Host: Prof. Sanjit MitraLocation: Hughes Aircraft Electrical Engineering Center (EEB) - 248
Audiences: Everyone Is Invited
Contact: Talyia Veal
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Capacity, Cooperation and Cognition in Wireless Networks
Tue, Apr 28, 2009 @ 03:00 PM - 04:00 PM
Ming Hsieh Department of Electrical and Computer Engineering
Conferences, Lectures, & Seminars
Speaker: Andrea Goldsmith,
Stanford UniversityAbstract: We consider fundamental capacity limits in wireless networks where nodes can cooperate in transmission, reception, and relaying. The key to unlocking capacity of such networks is to characterize the impact of time-varying channels, interference, and feedback. A basic premise of our work is that the best way to manage interference is to exploit it, and such exploitation can lead to large capacity gains. In particular, we propose novel cooperative and cognitive radio methods that use signal transmissions overheard from other nodes to increase network capacity. We also extend these ideas to MIMO nodes, where the spatial dimension provides an additional design degree of freedom. New capacity results for time-varying multiuser channels with feedback and cooperation will also be presented. Finally, we will discuss the impact of feedback, cooperation, and channel dynamics on source-channel coding and separation optimalityBiography: Andrea Goldsmith is a professor of Electrical Engineering at Stanford University, and was previously an assistant professor of Electrical Engineering at Caltech. She is also co_founder and CTO of Quantenna Communications, Inc., and has previously held industry positions at Maxim Technologies, Memorylink Corporation, and AT&T Bell Laboratories. Her research includes work on wireless communication and information theory, MIMO systems and multihop networks, cross_layer wireless system design, and wireless communications for distributed control. She is author of the book ``Wireless Communications'' and co_author of the book ``MIMO Wireless Communications,'' both published by Cambridge University Press. She received the B.S., M.S. and Ph.D. degrees in Electrical Engineering from U.C. Berkeley. Dr. Goldsmith is a Fellow of the IEEE and of Stanford. She has received several awards for her research, including the National Academy of Engineering Gilbreth Lectureship, the Alfred P. Sloan Fellowship, the Stanford Terman Fellowship, the National Science Foundation CAREER Development Award, and the Office of Naval Research Young Investigator Award. In addition, she was a co_recipient of the 2005 IEEE Communications Society and Information Theory Society joint paper award. Dr. Goldsmith currently serves as associate editor for the IEEE Transactions on Information Theory and as editor for the Journal on Foundations and Trends in Communications and Information Theory and in Networks. She previously served as an editor for the IEEE Transactions on Communications and for the IEEE Wireless Communications Magazine, as well as guest editor for several IEEE journal and magazine special issues. Dr. Goldsmith participates actively in committees and conference organization for the IEEE Information Theory and Communications Societies and is an elected member of the Board of Governors for both societies. She is a distinguished lecturer for the IEEE Communications Society, the president of the IEEE Information Theory Society, and was the technical program co_chair for the 2007 IEEE International Symposium on Information Theory. She also founded the student committee of the IEEE Information Theory society and is an inaugural recipient of Stanford's postdoc mentoring award.Host: Urbashi Mitra, ubli@usc.edu, EEB 540, x04667
Location: Hedco Neurosciences Building (HNB) - 100
Audiences: Everyone Is Invited
Contact: Gerrielyn Ramos
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Live Video Chat with Current Students
Tue, Apr 28, 2009 @ 06:00 PM - 07:00 PM
Viterbi School of Engineering Undergraduate Admission
Receptions & Special Events
We are current students who will be holding live video chats online in the month of April. Every Sunday and Tuesday (with one final event on Thursday, April 30) at 6PM pacific time go online and ask us questions.Go to: http://www.blogtv.com/people/viterbistudentFor more information including twitter feeds, blogs, and other videos - check out our site at http://viterbi.usc.edu/vsa
Location: <A HREF="http://www.blogtv.com/people/viterbistudent">http://www.blogtv.com/people/viterbistudent</A>
Audiences: Admitted Undergraduate Students
Contact: VIterbi Student Ambassadors
