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Une approche basée donnée pour retrouver le point de vue d'un dessin de design

Johanna Delanoy 1 Adrien Bousseau 1
1 GRAPHDECO - GRAPHics and DEsign with hEterogeneous COntent
CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : Designing objects requires frequent transitions from a 2D representation, the sketch, to a 3D one. Because 3D modeling is time consuming, it is made only during late phases of the design process. Our long term goal is to allow designers to automatically generate 3D models from their sketches. In this paper, we address the preliminary step of recovering the viewpoint under which the object is drawn. We adopt a data-driven approach where we build correspondences between the sketch and 3D objects of the same class from a database. In particular, we relate the curvature lines and contours of the 3D objects to similar lines commonly drawn by designers. The 3D objects from the database are then used to vote for the best viewpoint. Our results on design sketches suggest that using both contours and curvature lines give higher precision than using either one. In particular, curvature information improves viewpoint retrieval when details of the objects are different from the sketch.
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Johanna Delanoy, Adrien Bousseau. Une approche basée donnée pour retrouver le point de vue d'un dessin de design. Revue Electronique Francophone d'Informatique Graphique, Association Française d'Informatique Graphique, 2015, 9 (2), pp.11. ⟨hal-01247508⟩

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