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Date Category Seminar Info
2014/08/04 Vision, Graphics, and Robotics Place: MC437
Time: 11:00 - 12:00
Speaker: Hongbo Fu
Affiliation: City University of Hong Kong
Title: Non-local Snapping and Its Applications
Abstract:

Snapping is a common approach for achieving precise placement of elements in many applications. It is often achieved by considering the very local information only. In this talk I will show that premature snapping might cause sub-optimal results. I will introduce two non-local snapping ideas in context of image sketching and layout editing, which will be presented at SIGGRAPH 2014 and UIST 2014, respectively.

Biography of Speaker:

Hongbo Fu is an Associate Professor in the School of Creative Media, City University of Hong Kong. Before joining CityU, he had postdoctoral research trainings at the Imager Lab, University of British Columbia, Canada and the Department of Computer Graphics, Max-Planck-Institut Informatik, Germany. He received the PhD degree in computer science from the Hong Kong University of Science and Technology in 2007 and the BS degree in information sciences from Peking University, China, in 2002. His primary research interests fall in the fields of computer graphics and human computer interaction. He has served as an associate editor of The Visual Computer, and Computers & Graphics.


2014/07/31 Vision, Graphics, and Robotics Place: MC437
Time: 14:00 - 15:00
Speaker: James Forbes
Affiliation: University of Michigan
Title: The dynamics of rolling spheres, rolling hoops, and other adventures
Abstract:

In this talk the dynamics of rolling spheres and rolling hoops will be discussed. First, the nonholonomic constraints associated with rolling without slipping on a generic yet sufficiently smooth surface will be discussed. Next, Lagrange's equation will be used to derive the motion equations. Various simulation results will be presented included a sphere rolling through a general ``wave field". Additionally, a new estimation technique will be discussed with an emphasis on rotation matrix estimation.

Biography of Speaker:

James Richard Forbes received his B.A.Sc. in Mechanical Engineering (Honours, Co-op) from the University of Waterloo in 2006. While attending the University of Waterloo James participated in the co-op program; James had the opportunity to work in the manufacturing, automotive, rail, and industrial automation (robotics) industries. James was awarded his M.A.Sc. and Ph.D. degrees in Aerospace Science and Engineering from the University of Toronto Institute for Aerospace Studies (UTIAS) in 2008 and 2011, respectively. He was awarded the G. N. Patterson Award for the most outstanding Ph.D. thesis in 2011. From May 2011 to August 2013 James was an Assistant Professor of Mechanical Engineering at McGill University located in Montreal, Quebec, Canada. While at McGill University he was also an associate member of the Centre for Intelligent Machines. James is currently an Assistant Professor of Aerospace Engineering at the University of Michigan. The focus of his research is the dynamics and control of aerospace systems including large flexible space structures, spacecraft, unconventional Mars rovers, and high-altitude balloons.