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标题: 【SIGGRAPH Asia 2012专题*技术论文】雕塑，堆叠，结构和盒：Stackabilization [打印本页]

作者: . 时间: 2012-12-21 08:45
标题: 【SIGGRAPH Asia 2012专题*技术论文】雕塑，堆叠，结构和盒：Stackabilization
【SIGGRAPH Asia 2012专题*技术论文】
雕塑，堆叠，结构和盒：Stackabilization
Honghua Li, Ibraheem Alhashim, Hao Zhang, Ariel Shamir, Daniel Cohen-Or

摘要：介绍的stackabilization的几何问题：如何几何修改3D对象，以便它更适合堆叠。给定一个3D对象和一个层叠方向，我们定义了可堆叠性的量度，这是来自沿层叠方向在堆叠配置中的下限和上限的信封的对象之间的差距。在stackabilization面临的主要挑战在于欲望修改物体的几何形状，巧妙地使预期的功能，外形美观，原来的对象没有显着影响。我们提出一个自动算法变形的3D对象，以满足使用能量最小化的目标堆叠得分。优化的能量占两个尺度的变形参数，以及预先存在的几何和结构中的对象的属性，例如，对称，作为一种手段，保持其功能的保存。我们还提出了一个智能的编辑工具，可以帮助修改一个给定的三维物体建模，以改善其堆叠。最后，我们将探讨一些有趣的变化的stackabilization问题。
Abstract:We introduce the geometric problem of stackabilization: how to geometrically modify a 3D object so that it is more amenable to stacking. Given a 3D object and a stacking direction, we deﬁne a measure of stackability, which is derived from the gap between the lower and upper envelopes of the object in a stacking conﬁguration along the stacking direction. The main challenge in stackabilization lies in the desire to modify the object’s geometry only subtly so that the intended functionality and aesthetic appearance of the original object are not signiﬁcantly affected. We present an automatic algorithm to deform a 3D object to meet a target stackability score using energy minimization. The optimized energy accounts for both the scales of the deformation parameters as well as the preservation of pre-existing geometric and s***ctural properties in the object, e.g.,symmetry, as a means of maintaining its functionality. We also present an intelligent editing tool that assists a modeler when modifying a given 3D object to improve its stackability. Finally, we explore a few fun variations of the stackabilization problem.
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