SBM07: Sketch Based Interfaces and Modeling 2007
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Browsing SBM07: Sketch Based Interfaces and Modeling 2007 by Subject "Categories and Subject Descriptors (according to ACM CCS): I.3.5 [Computational Geometry and Object Modeling]: Curve, surface, solid, and object representations"
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Item Example-Based Conceptual Styling Framework for Automotive Shapes(The Eurographics Association, 2007) Kókai, István; Finger, Jörg; Smith, Randall C.; Pawlicki, Richard; Vetter, Thomas; Michiel van de Panne and Eric SaundConceptual design in the automotive industry is a time-consuming process. Iterations between concept sketches, created with traditional two dimensional methods, and 3D digital representations of a prototype are currently one of the big bottlenecks. In this paper we present a framework for an integrated 2D-3D design environment. The core of the framework is a model representing the characteristic lines of automotive shapes built from a set of example shapes. From every example shape we extract the same set of characteristic lines and represent them with a feature vector of deformation gradients. Given a set of constraints, our method can generate a new feature vector with an optimization procedure. We provide examples for meaningful manipulations. We demonstrate that these manipulations are intuitive and create plausible shapes.