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Solid reconstruction using recognition of quadric surfaces from orthographic views

Jie-Hui Gong 1 Hui Zhang 1 Gui-Fang Zhang 2 Jia-Guang Sun 1, 3 
3 CAD - Computer Aided Design
LIAMA - Laboratoire Franco-Chinois d'Informatique, d'Automatique et de Mathématiques Appliquées, Inria Paris-Rocquencourt
Abstract : The reconstruction of 3D objects from 2D orthographic views is crucial for maintaining and further developing existing product designs. A B-rep oriented method for reconstructing curved objects from three orthographic views is presented by employing a hybrid wire-frame in place of an intermediate wire-frame. The Link-Relation Graph (LRG) is introduced as a multi-graph representation of orthographic views, and quadric surface features (QSFs) are defined by special basic patterns of LRG as well as aggregation rules. By hint-based pattern matching in the LRGs of three orthographic views in an order of priority, the corresponding QSFs are recognized, and the geometry and topology of quadric surfaces are recovered simultaneously. This method can handle objects with interacting quadric surfaces and avoids the combinatorial search for tracing all the quadric surfaces in an intermediate wire-frame by the existing methods. Several examples are provided.
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Jie-Hui Gong, Hui Zhang, Gui-Fang Zhang, Jia-Guang Sun. Solid reconstruction using recognition of quadric surfaces from orthographic views. Computer-Aided Design, Elsevier, 2006. ⟨inria-00124266v2⟩

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