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Workshop confirmado para o dia 12 - "Visualização, Interacção e Mobilidade"
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Oradores convidados

  • Brian Wyvill
    University of Calgary, Canada

    "The BlobTree Implicit Modelling System and more"


    • Abstract


      • In this talk various implicit techniques are presented that can be used to model engineering objects as well as botanical trees and sea creatures. Warping, blending and CSG operations are combined along with precise contact modeling and other implicit techniques in the BlobTree data structure. Animation facilities are just another node in the tree. Recent work has also been done on a pen and ink style renderer for BlobTree objects.
      The talk will also cover another interesting research project, an algorithm for simulating the cracks found in Batik wax painting and dyeing technique used to make images on cloth. The algorithm produces cracks similar to those found in batik due to the wax cracking in the dyeing process. The method is unlike earlier simulation techniques used in computer graphics, in that it is based on the Distance Transform algorithm rather than on a physically based simulation such as using spring mass meshes or finite element methods.. In contrast, our method is simple to implement and takes only a few seconds to produce convincing patterns that capture many of the characteristics of the crack patterns found in real Batik cloth.
  • Wayne Wooten
    Pixar Animation Studios, USA

    "The Incredible Technology behind the making of "The Incredibles""


    • Abstract


      • Pixar has developed some of the world's most advanced techniques for generating computer animated feature films, recently receiving two Oscars for, "The Incredibles". In this talk I plan to discuss the rendering research and development that occurs at Pixar and the techniques behind the feature film production process. Sequences from Pixar's latest film, "The Incredibles" will be used as a case study for presenting the various pieces of technology required to create the final product.
  • Carsten Rother
    Microsoft Research, Cambridge, UK

    "Digital Tapestry - Visual Summary of a Photo Collection"


    • Abstract

      • Digital cameras and modern computers allow people to easily take and store digital photos. However, as photo collections grow, so does the need to summarize, visualize and browse through such collections in a user-friendly way.
      I will present a novel framework for creating a photomontage, or digital tapestry, automatically from a large collection of different input images. The tapestry can be used as a smart thumbnail viewer of the photo collection or for image retrieval. It is constructed from informative input image regions, where the term informative is defined by state of the art scene understanding, such as face detection. The composition of the tapestry is cast as an energy minimization problem, which is solved using the graph cut based expansion move algorithm.

 


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