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SUNMONTUEWEDTHUFRISAT
Events for April 14, 2009
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Atlanta Admitted Student Reception – Admitted Students Only
Tue, Apr 14, 2009
Viterbi School of Engineering Undergraduate Admission
Receptions & Special Events
We will be traveling with other representatives from USC throughout the spring to a reception near you! You and your family can get answers to all of your questions about housing, financial aid, curriculum, majors, minors, undergraduate research, the Viterbi School of Engineering, and whatever else you want to know about. Each reception is informal and will last approximately two hours.Visit http://usc.edu/experienceusc/ to RSVP for the reception and to learn more details about the event.
Location: Atlanta
Audiences: Admitted Freshmen and Family Members Only
Contact: Viterbi Admission
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Preview USC - Admitted Students Only
Tue, Apr 14, 2009
Viterbi School of Engineering Undergraduate Admission
Receptions & Special Events
This half-day program includes an information session about housing, campus life and the transition to college, a tour of campus and special activities with the Viterbi School including facility tours and meeting Administrators and several of our current students. There are six Preview USC sessions throughout April.Reserve a space for Preview USC online at http://usc.edu/experienceusc/ if you cannot make one of our Explore USC programs.
Location: USC Main Campus
Audiences: Admitted Freshmen & Family Members
Contact: Viterbi Admission
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Opportunities and Challenges in Uncertainty Quantification for Complex Interacting systems
Tue, Apr 14, 2009
USC Viterbi School of Engineering
Conferences, Lectures, & Seminars
Chaired by Roger Ghanem and Demetrios Spanos, this Workshop will provide a forum where issues of uncertainty quantification and model validation in predictive science will be addressed. It will bring together leading scientists from physics-based modeling, network science and social networks to explore the fundamental similarities and differences in the challenges facing them. Challenges and opportunities will be identified and a community of researchers and collaborators seeded.The Workshop will revolve around survey lectures and break-out sessions and will culminate in a report that summarizes participants' perspective on challenges and opportunities in developing a rational path forward for the discipline.The Workshop begins at 6 p.m. Sunday April 12 with an icebreaker meeting, and continues in all-day sessions the next two days. A complete agenda is at
http://venus.usc.edu/UQ-Workshop09/Location: Davidson Conference Center
Audiences: Graduate/Undergrad/
Contact: Eric Mankin
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CIC-BASED DECIMATORS
Tue, Apr 14, 2009 @ 11:00 AM - 12:00 PM
Ming Hsieh Department of Electrical and Computer Engineering
Conferences, Lectures, & Seminars
Guest Speaker: Gordana Jovanovic Dolecek,
Department of Electronics
Institute INAOE, Puebla, MexicoABSTRACT: Sampling rate conversion (SRC) is one of the most frequent and useful tasks in the field of communication. SRC involves resampling which itself causes aliasing and imaging. The elimination of the detrimental effects of these two fundamental characteristics of resampling requires filtering. Thus the design of a SRC system is basically a filter design problem. Whenever the sampling rate exceeds the minimum requirement posed by the Nyquist criterion, it is reasonable to try to reduce it. This means that we can eliminate some of samples, and still have a good representation of the signal. The reduction of a sampling rate is called decimation, because the original sample set is reduced (decimated). Decimation consists of two stages: filtering and downsampling A commonly used decimation filter is the cascaded-integrator-comb (CIC) filter, which consists of two main sections: an integrator and a comb, separated by a down-sampler. This filter has many desirable characteristics making it very attractive for different applications. However, the frequency response of the CIC filter does not satisfy the desired specifications, i.e., the CIC filter has a high passband droop and a low stopband attenuation. The latter can be improved by increasing the number of the cascaded CIC filters resulting in a higher passband droop. Additionally the integrator section works at the higher input data rate resulting in a larger chip area and higher power consumption especially when the decimation factor and the filter order are high. Different methods have been proposed to improve the characteristics of CIC decimator while keeping its simplicity. The methods either improve the passband or stopband of the CIC filter. There exist also methods to improve both, stopband and the passband. We will present CIC filters, and the state of the art in the designing of CIC-based decimators.BIOGRAPHY: Gordana Jovanovic Dolecek received a B.S. degree from the Department of Electrical Engineering, University of Sarajevo, an M.Sc. degree from University of Belgrade, and a Ph.D. degree from the University of Sarajevo in Bosnia. She was a Professor of Electrical Engineering, University of Sarajevo until 1993, and from 1993 to 1995 she was with the Institute Mihailo Pupin, Belgrade. In 1995 she joined the Department for Electronics at the Institute INAOE, Puebla, Mexico, where she is presently a professor. During 2001-2002 and also during 2006, she was a visiting scholar at the Department of Electrical & Computer Engineering, University of California, Santa Barbara. She is presently at the San Diego State University on a sabbatical leave. She is the author of three books, editor of one book, and author of more than 200 papers. Her research interests include digital signal processing and digital communications. She is a Senior Member of IEEE, a member of Mexican Academy of Sciences, and a member of National Researcher System (SNI), Mexico.Host: Professor Sanjit K. MitraLocation: Hughes Aircraft Electrical Engineering Center (EEB) - 248
Audiences: Everyone Is Invited
Contact: Talyia Veal
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CS Colloq: Jernej Barbic
Tue, Apr 14, 2009 @ 04:00 PM - 05:30 PM
Thomas Lord Department of Computer Science
Conferences, Lectures, & Seminars
Time: 4 PM - 5:30 PMLocation: SSL 150Talk Title: Real-time Deformable Objects: Graphics, Haptics, Sound, Control
Speaker: Jernej Barbic (MIT)
Host: Prof. Michael ZydaAbstract:
Real-time deformable objects are an exciting research area in computer graphics, with applications to computer games, movie industry, CAD/CAM, and virtual medicine. Deformable objects are well-understood in solid mechanics, however the standard simulation algorithms are too slow for interactive simulation with detailed geometry. How can we support real-time simulation on commodity workstations, while compromising physical correctness as little as possible?I will present reduced nonlinear deformable objects, a novel class of deformable objects obtained by applying statistical model reduction to finite element models of nonlinear elasticity. The idea is to replace the general degrees of freedom of a deformable object for a much smaller set of reduced degrees of freedom, thereby trading accuracy for speed. The reduced degrees of freedom incorporate geometric and material information, and can be chosen automatically from the first principles of continuum mechanics.I will also present a time-critical algorithm for deformable collision detection, and contact force computation between two reduced deformable (or rigid) objects with detailed geometry. The algorithm exploits reduction to achieve haptic update rates (1,000 Hz), and can be applied to deformable object path planning, virtual CAD/CAM, or other high update rate simulations in robotics.Reduction can also provide fast deformable models to drive real-time sound simulations. I will outline an algorithm where both the mechanical vibrations (deformations) that cause sound, and the sound propagation (wave equation) into the surrounding air for detailed geometries, are simulated at audio rates (44,100 Hz).Finally, I will discuss ongoing research on how model reduction can be used not only for fast forward simulation, but also for fast control.
Such control enables faster design of animations, and can provide directable real-time interaction in computer games.Bio:
Jernej Barbic received the computer science PhD degree from Carnegie Mellon University, in 2007. He is currently a postdoc in the MIT Computer Science and Artificial Intelligence Laboratory, The Stata Center, Cambridge, Massachusetts. His research interests include computer graphics, animation, real-time simulation, FEM deformable objects, haptic rendering of contact for geometrically rich scenarios, sound simulation, and model reduction and control of nonlinear systems.
Location: Seaver Science Library (SSL) - 150
Audiences: Everyone Is Invited
Contact: CS Front Desk
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Live Video Chat with Current Students
Tue, Apr 14, 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
