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首页> 美国政府科技报告 >Computer Reconstruction of Bodies Bounded by Quadric Surfaces from a Set of Imperfect Projections.
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Computer Reconstruction of Bodies Bounded by Quadric Surfaces from a Set of Imperfect Projections.

机译：基于一组不完全投影的二次曲面边界体的计算机重建。

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This thesis describes a computer program for constructing a description of solid bodies from a set of n pictures of the bodies. The bodies are assumed to be bounded by faces which are quadric or planar, and they are restricted to have all their vertices formed by exactly three faces. The pictures are taken from different vantage points, with the restriction that a slight shift in vantage point will not alter the topology of the picture. It is assumed that the program receives outline information from a preprocessor which has extracted this information from the pictures. The outline information (set of line structures) may be imperfect in that some junctions may be erroneously reported and some lines may be missing. However, all lines due to shadows are assumed to have been eliminated by the preprocessor.

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