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Generating animated paper pop-ups from the motion of articulated characters

机译:通过关节角色的动作生成动画纸弹出窗口

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摘要

Pop-up books are fascinating books comprised of paper pieces that pop out when opened to form interesting three-dimensional structures. But more than just reproducing 3D shapes, pop-up artists also use the movement of the paper pieces during the opening process to convey motion and produce some form of animation. Similarly, previous automated methods have focused on reproducing the 3D shape of an input mesh. In our work, we focus in recreating motion. We study the movement of the paper pieces of the different mechanisms used in pop-up structures to automatically design animated pop-ups. Our input is an animation file, containing a 3D character with an armature and motion. We map each of the linkage chains to a specific pop-up mechanism based on the type of motion it can produce. We then obtain the initial values of the parameters of the mechanisms, such as lengths and orientations of the patches, based on our formulations and parameter estimation. Subsequently, we utilize simulated annealing to search for a plausible layout from a valid configuration space. Finally, we produce a printable design layout of the animated pop-up.
机译:弹出式书是令人着迷的书籍,其中包括纸件,这些纸件在打开时会弹出以形成有趣的三维结构。但是,弹出艺术家不仅仅可以复制3D形状,还可以在打开过程中利用纸片的运动来传达运动并产生某种形式的动画。类似地,先前的自动化方法已集中于再现输入网格的3D形状。在我们的工作中,我们专注于重新创建运动。我们研究了弹出结构中用于自动设计动画弹出窗口的各种机制的纸件运动。我们的输入是一个动画文件,其中包含具有电枢和运动的3D角色。我们根据每个链接链可以产生的运动类型将其映射到特定的弹出机制。然后,根据我们的公式和参数估计,获得机制参数的初始值,例如补丁的长度和方向。随后,我们利用模拟退火从有效的配置空间中搜索合理的布局。最后,我们生成动画弹出窗口的可打印设计布局。

著录项

  • 来源
    《The Visual Computer》 |2015年第8期|925-935|共11页
  • 作者单位

    Natl Univ Singapore, Sch Comp, Singapore 117548, Singapore|De La Salle Univ, Manila 1004, Philippines;

    Digipen Inst Technol Singapore, Dept Comp Sci, Singapore, Singapore;

    Natl Univ Singapore, Sch Comp, Singapore 117548, Singapore;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Paper pop-up; Automated design; Modelling; Physical fabrication; Animation;

    机译:纸弹出;自动设计;建模;物理制造;动画;
  • 入库时间 2022-08-17 13:04:04

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