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By Marc Alexa, Andrew Nealen (auth.), José Braz, Alpesh Ranchordas, Helder Araújo, Joaquim Jorge (eds.)

This ebook contains chosen papers from the 1st foreign meetings on laptop imaginative and prescient thought and functions (VISAPP), and special effects idea and purposes (GRAPP), together held in Setubal, Portugal, on February 25–28, 2006. We got 314 paper submissions for either meetings, rather a excessive quantity for a primary venue. We had contributions from forty four various nations masking all 5 continents, which confirms the luck and international succeed in of the 2 meetings. After a rigorous double-blind overview, a complete of 116 submissions have been approved as complete papers. From these, this system Committee chosen 27 for e-book during this e-book, that have been then revised by way of the authors. particular thank you are as a result of all individuals and referees, with no whom this publication don't have been attainable. VISAPP/GRAPP 2006 incorporated 4 invited keynote lectures, awarded by way of across the world well-known researchers. The shows represented an enormous contribution to expanding the general caliber of the convention. we want to specific our appreciation to all invited keynote audio system, in alphabetical order, Marc Alexa (TU Berlin/Germany), André Gagalowicz (INRIA/France), Ken Perlin (New York University/USA), Peter Robinson (University of Cambridge/UK), whose displays are in part integrated within the first component of the publication. the second one and 3rd sections contain chosen papers from VISAPP 2006 and GRAPP 2006 respectively.

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Advances in Computer Graphics and Computer Vision: International Conferences VISAPP and GRAPP 2006, Setúbal, Portugal, February 25-28, 2006, Revised Selected Papers

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Extra info for Advances in Computer Graphics and Computer Vision: International Conferences VISAPP and GRAPP 2006, Setúbal, Portugal, February 25-28, 2006, Revised Selected Papers

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There are two special nodes: The drain node nD at the bottom of the hierarchy (with simplification error 0), whose ingoing arcs represents the original mesh, and the source node nS on top of the hierarchy (with simplification error ∞), whose outgoing arcs contains the most simplified mesh. , 1997). , 1993) to simplify the original mesh iteratively: All possible edge-collapse operations are ordered in a priority queue, in respect to their 1 Since we operate on meshes, the term ”edge” already has a meaning.

3), resulting in the S CREAMING C AMEL model (12), shown in Fig. 13. by sketching them. The idea is simple yet effective: after defining a region of interest on the surface and a camera viewpoint, we select (and trim) one of the resulting silhouettes, and then sketch a new shape for this silhouette (see Fig. 15). For the computation of silhouettes on polygonal meshes, various methods are available, see (Hertzmann, 1999). We have chosen to use object space silhouettes, and include the ability to switch between edge silhouettes (mesh edges, for which one adjacent face is front-facing and one is back-facing) and smooth surface silhouettes (Hertzmann and Zorin, 2000).

Bilateral mesh denoising. In: Proceedings of ACM SIGGRAPH 2003, pp. 950–953. : Mean-value coordinates. : Hierarchical b-spline refinement. In: Proceedings of ACM SIGGRAPH 88, pp. 205–212. : Non-Photorealistic Rendering. K. : Multiresolution signal processing for meshes. In: Proceedings of ACM SIGGRAPH 99, pp. 325–334. : Introduction to 3D non-photorealistic rendering: Silhouettes and outlines. In: Green, S. ) Non-Photorealistic Rendering. : Illustrating smooth surfaces. In: Proceedings of the 27th annual conference on Computer graphics and interactive techniques, pp.

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