Abstract
A new method for easily and rapidly generating three-dimensional shapes from two-dimensional line-drawings is presented. This method is based on the generalized symmetry constraint. Generalized symmetry is an extended concept of threedimensional symmetry and its axis is a 3D smooth curve. This paper first develops the definition and constraint of generalized symmetry, and then describes an algorithm which generates the three-dimensional shape of an object from its linedrawing. The generation algorithm is extended to generate generalized cylindrical objects from line-drawings. Several experiments by computer simulation verify that the algorithm can generate three-dimensional shapes from line-drawings.
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Tanaka, T., Naito, S. & Takahashi, T. Generalized symmetry and its application to 3D shape generation. The Visual Computer 5, 83–94 (1989). https://doi.org/10.1007/BF01901484
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DOI: https://doi.org/10.1007/BF01901484