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Invited Speakers

Michael S. Floater

Michael Floater received a PhD in mathematics from Oxford University in 1988. He later worked for several years at SINTEF in Oslo, Norway, on various industrial projects, many of which involved geometric modelling. He has been at the Department of Informatics at the University of Oslo since 2003. He has published 70 refereed papers, and worked on topics such as curve and surface data-fitting, parameterization, and recently generalizations of barycentric coordinates and transfinite interpolation.

Recent generalizations of barycentric coordinates to polygons have been used in surface mesh parameterization and image deformation. We will summarize some of these developments and also discuss how these coordinates naturally lead to the construction of smooth transfinite interpolants: smooth functions that match given data on the curved boundary of a domain. We will also look at further extensions of some of these constructions to match derivative boundary data as well, with possible application to hole-filling in geometric modelling.

Chris Williams

Chris Williams is a structural engineer who worked for Ove Arup and Partners prior to joining the Department of Architecture and Civil Engineering at the University of Bath. He has a particular interest in the relationship between geometrical form and structural action as applied to bridges, shells, tension structures and tall buildings. This leads to the use of specially written computer programs to generate complex, often organic, forms for architectural and structural applications. His work has been applied in practice with architects and engineers including Foster and Partners, Richard Rogers Partnership, Branson Coates Architecture and Buro Happold.

Civil engineering and architecture are geometry on a large scale and their sole purpose is to construct and fix a shape in space. Each part of a structure has its own strength and stiffness and contributes to the strength and stiffness of the structure as a whole. Line elements are connected at nodes to form complex truss networks. Surfaces are formed from masonry, concrete or steel lattices for cathedrals, dams and railway stations. In this talk, I discuss structural design from a geometric perspective, starting with the simplest frameworks and progressing via arches to shell and fabric structures.

The Industry Speaks Session

In this session, four speakers from diverse companies will discuss their experience with the use of geometry processing in actual products or production systems and also voice their opinions about the research field. The speakers appear courtesy of their respective companies.

Charles Loop

Charles Loop is a Senior Researcher in the Microsoft Research Graphics Group. Charles is best known for the triangle mesh subdivision algorithm that bears his name. He has worked extensively in the area of patch based surface algorithms, including work on n-sided patches and smooth patch complexes. More recently he has worked on GPU algorithms for rendering vector art containing Bezier curves, and rendering algebraic surfaces represented by Bezier tetrahedra. Charles is currently working on algorithms for the hardware tessellation of surfaces that will be available on the next generation of GPUs.

Rasmus Tamstorf

Rasmus Tamstorf is a research scientist at Walt Disney Animation Studios. Over the past 10 years at Disney he has worked on a variety of projects including geometrical problems in rendering, a production pipeline based on subdivision surfaces, and deformation algorithms for character animation. He is currently working on various aspects of cloth simulation and whatever it takes to create the Disney magic. Rasmus has a MS EE degree from the Technical University of Denmark and film credits on Tarzan, Dinosaurs, Lilo & Stitch, and Chicken Little among others.

Rune Fisker

Rune Fisker is heading 3D scanner development at 3Shape. 3Shape develops and markets integrated 3D solutions (3D scanners and 3D software) for hearing aid and dental restoration production where 3Shape has a global leading position. 3Shape scanners are installed in more than 45 countries with thousands of hearing aids and dental restorations being produced every day. Rune joined 3Shape as the first employ in 2000 and have been directly involved in the development of 3Shape's core 3D algorithms, 3D modeling applications and 3D scanners. Before joining 3Shape Rune obtained a MS EE degree and Ph.D. from the Technical University of Denmark.

Raphaël Marc

Raphaël Marc graduated from ENSIMA at Grenoble (engineering school specialized in computers and applied mathematics). He joined Electricite de France in 1992 and works in the research and development division since 1996. He has carried out various research tasks, some of them were done in partnership with French research teams. Some of these are: Development of a real-time video tracking software for human gestures 3D rebuilding and recognition ; 3D reconstruction from laser scanner data ;Change detection on 3D points of clouds. Recently, he worked on the scientific vizualization domain, on mesh generation or repairing and on geometric compression of meshes for remote visualization.