Olga Sorkine

Olga Sorkine is an Assistant Professor of Computer Science at ETH Zurich, where she leads the Interactive Geometry Group at the Institute of Visual Computing. Prior to joining ETH she was an Assistant Professor at the Courant Institute of Mathematical Sciences, New York University (2008-2011). She earned her BSc in Mathematics and Computer Science and PhD in Computer Science from Tel Aviv University (2000, 2006). Following her studies, she received the Alexander von Humboldt Foundation Fellowship and spent two years as a postdoc at the Technical University of Berlin. Olga is interested in theoretical foundations and practical algorithms for digital content creation tasks, such as shape representation and editing, artistic modeling techniques, computer animation and digital image manipulation. She also works on fundamental problems in digital geometry processing, including parameterization of discrete surfaces and compression of geometric data. Olga received the EUROGRAPHICS Young Researcher Award (2008) and the ACM SIGGRAPH Significant New Researcher Award (2011).

Really Real-Time 3D Shape Modeling and Animation

Irregular triangle meshes are a powerful digital shape representation: they are flexible and can represent virtually any complex shape; they are efficiently rendered by graphics hardware; they are the standard output of 3D acquisition and routinely used as input to simulation software. Yet irregular meshes are difficult to model, edit and animate because they lack a higher-level control mechanism, contrary to classical parametric surfaces such as NURBS.

In this talk, I will present a series of research results on 3D shape modeling with irregular meshes and show how high-quality shapes can be created and manipulated in a fast and intuitive manner. The underlying principle of the proposed modeling algorithms is variational optimization, which enables to minimize various shape objective functionals (smoothness, detail preservation and even high-level structure) under the imposed modeling constraints. The variational approach on meshes allows for much freedom to the user, yet comes at a relatively high computational price. We will see how novel space reduction techniques enable truly real-time shape editing and animation while retaining high quality and intuitiveness of the results.

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Thank you to The Foundry for help organising and financial support.
Thank you to The British Machine Vision Association and Society for Pattern Recognition for making us an in co-operation event
Thank you to our gold sponsors
Thank you to our silver sponsors