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首页> 外文期刊>IEEE transactions on visualization and computer graphics >Surface and contour-preserving origamic architecture paper pop-ups
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Surface and contour-preserving origamic architecture paper pop-ups

机译：保留表面和轮廓的原始建筑弹出窗口

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摘要

Origamic architecture (OA) is a form of papercraft that involves cutting and folding a single sheet of paper to produce a 3D pop-up, and is commonly used to depict architectural structures. Because of the strict geometric and physical constraints, OA design requires considerable skill and effort. In this paper, we present a method to automatically generate an OA design that closely depicts an input 3D model. Our algorithm is guided by a novel set of geometric conditions to guarantee the foldability and stability of the generated pop-ups. The generality of the conditions allows our algorithm to generate valid pop-up structures that are previously not accounted for by other algorithms. Our method takes a novel image-domain approach to convert the input model to an OA design. It performs surface segmentation of the input model in the image domain, and carefully represents each surface with a set of parallel patches. Patches are then modified to make the entire structure foldable and stable. Visual and quantitative comparisons of results have shown our algorithm to be significantly better than the existing methods in the preservation of contours, surfaces, and volume. The designs have also been shown to more closely resemble those created by real artists.
机译：原始建筑（OA）是一种造纸工具，涉及切割和折叠单张纸以产生3D弹出窗口，并且通常用于描述建筑结构。由于严格的几何和物理约束，OA设计需要大量的技能和精力。在本文中，我们提出了一种自动生成可以紧密描述输入3D模型的OA设计的方法。我们的算法以一组新颖的几何条件为指导，以确保所生成弹出窗口的可折叠性和稳定性。条件的一般性使我们的算法能够生成有效的弹出式结构，而以前其他算法都没有考虑这些结构。我们的方法采用一种新颖的图像域方法将输入模型转换为OA设计。它在图像域中执行输入模型的表面分割，并用一组平行面片仔细表示每个表面。然后修改补丁，使整个结构可折叠且稳定。结果的视觉和定量比较表明，在轮廓，表面和体积的保存方面，我们的算法明显优于现有方法。这些设计也被证明与真实艺术家创作的设计更相似。

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