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Modeling 3D animals from a side-view sketch

Even Entem 1, 2, * Loc Barthe 3 Marie-Paule Cani 1 Frederic Cordier 4 Michiel van de Panne 5
* Corresponding author
1 IMAGINE - Intuitive Modeling and Animation for Interactive Graphics & Narrative Environments
Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology, LJK - Laboratoire Jean Kuntzmann, Inria Grenoble - Rhône-Alpes
3 IRIT-STORM - Structural Models and Tools in Computer Graphics
IRIT - Institut de recherche en informatique de Toulouse
Abstract : Using 2D contour sketches as input is an attractive solution for easing the creation of 3D models. This paper tackles the problem of creating 3D models of animals from a single, side-view sketch. We use the a priori assumptions of smoothness and structural symmetry of the animal about the sagittal plane to inform the 3D reconstruction. Our contributions include methods for identifying and inferring the contours of shape parts from the input sketch, a method for identifying the hierarchy of these structural parts including the detection of approximate symmetric pairs, and a hierarchical algorithm for positioning and blending these parts into a consistent 3D implicit-surface-based model. We validate this pipeline by showing that a number of plausible animal shapes can be automatically constructed from a single sketch.
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Submitted on : Wednesday, October 8, 2014 - 5:37:51 PM
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Even Entem, Loc Barthe, Marie-Paule Cani, Frederic Cordier, Michiel van de Panne. Modeling 3D animals from a side-view sketch. Computers and Graphics, Elsevier, 2015, 46, pp.221-230. ⟨10.1016/j.cag.2014.09.037⟩. ⟨hal-01073059⟩



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