Stable stylized wireframe rendering

Stable stylized wireframe rendering
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稳定的风格化线框渲染

DOI:
10.1002/cav.370
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发表时间:
2010-05
影响因子:
1.1
通讯作者:
Yutong Zang
Yutong Zang
中科院分区:
计算机科学4区
文献类型:
--
作者:
Chen Tang;Sheng Li;Guoping Wang;Yutong Zang

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三维模型的程式化线框绘制是动画软件中广泛使用的一种方法,目的是为了更好地描述可变形模型的结构。然而,由于传统的基于深度测试的渲染技术存在固有的缺陷,线条的形状不能随着模型的连续运动或变形而保持不变。当物体以线条形式渲染动画时,特别是用粗线或虚线渲染时,往往存在严重的混叠现象,如闪烁伪影。为了消除这种伪影,与传统方法不同,我们提出了一种新的高视觉保真度的线框图快速绘制方法,该方法仅依赖于原语的内在拓扑结构,无需任何预处理步骤或预先存储额外的相邻信息。与以往广泛使用的解决方案相比,我们的方法具有高度精确的可见性,即使是宽度均匀的粗线和虚线也不会闪烁,并且在模型移动或动画时配置稳定的优点,因此它非常适合动画系统。此外,我们的方法可以很容易地实现和控制,而无需用户提供任何额外的预估参数。版权所有©2010 John Wiley & Sons, Ltd
Stylized wireframe rendering of 3D model is widely used in animation software in order to depict the configuration of deformable model in comprehensible ways. However, since some inherent flaws in traditional depth test based rendering technology, shape of lines can not been preserved as continuous movement or deformation of models. There often exists severe aliasing like flickering artifact when objects rendered in line form animate, especially rendered with thick or dashed line. To cover this artifact, unlike traditional approach, we propose a novel fast line drawing method with high visual fidelity for wireframe depiction which only depends on intrinsic topology of primitives without any preprocessing step or extra adjacent information pre‐stored. In contrast to previous widely‐used solutions, our method is advantageous in highly accurate visibility, clear and stable line appearance without flickering even for thick and dashed lines with uniform width and steady configuration as model moves or animates, so that it is strongly suitable for animation system. In addition, our approach can be easily implemented and controlled without any additional preestimate parameters supplied by users. Copyright © 2010 John Wiley & Sons, Ltd.
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