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Frontiers of Information Technology & Electronic Engineering
ISSN 2095-9184 (print), ISSN 2095-9230 (online)
2015 Vol.16 No.5 P.367-379
A method of shadow puppet figure modeling and animation
Abstract: To promote the development of the intangible cultural heritage of the world, shadow play, many studies have focused on shadow puppet modeling and interaction. Most of the shadow puppet figures are still imaginary, spread by ancients, or carved and painted by shadow puppet artists, without consideration of real dimensions or the appearance of human bodies. This study proposes an algorithm to transform 3D human models to 2D puppet figures for shadow puppets, including automatic location of feature points, automatic segmentation of 3D models, automatic extraction of 2D contours, automatic clothes matching, and animation. Experiment proves that more realistic and attractive figures and animations of the shadow puppet can be generated in real time with this algorithm.
Key words: Shadow play, Shadow puppet figure, 3D human body, Data processing, 2D modeling
创新点：本文使用三维人体扫描数据来建立皮影人物模型，并生成动画。
方法：通过研究分析皮影艺术现状，提出一种通过获取三维人体扫描数据来建立皮影人物并生成动画的方法。二维皮影人物的建模过程（图1）如下：第一步，自动定位三维人体模型特征点，并且根据定位的特征点将人体模型自动分段（图8）；第二步，提取皮影人物的初始轮廓（图11），并进行二维数据处理；第三步，对数据处理后的初始皮影人物（图13）进行自动服饰匹配（图14、15），生成二维皮影人物及动画（图17-19）。最后通过比较实验前后被试者对皮影的兴趣度，来验证该方法的有效性。
结论：针对人们对皮影艺术逐渐失去兴趣的现状，提出一种基于三维人体扫描数据的皮影人物建模方法。实验证明，该方法可以生成更多具有真实感、引人入胜的皮影人物和实时动画。该研究促进了皮影艺术的发展，尤其是在现代皮影动画和个性化定制方面。
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Open peer comments: Debate/Discuss/Question/Opinion
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DOI:
10.1631/FITEE.1400351
CLC number:
TP391.4
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On-line Access:
2015-05-05
Received:
2014-10-15
Revision Accepted:
2015-02-03
Crosschecked:
2015-04-13