Creation of Tree Models from Freehand Sketches by Building 3D Skeleton Point Cloud

被引：0

作者：

Liu, Jia ^{[1
]}

Zhang, Xiaopeng ^{[1
]}

Li, Hongjun ^{[1
]}

Dai, Mingrui ^{[1
]}

机构：

[1] Chinese Acad Sci, LIAMA NLPR, Inst Automat, Beijing, Peoples R China

来源：

ENTERTAINMENT FOR EDUCATION: DIGITAL TECHNIQUES AND SYSTEMS | 2010年 / 6249卷

关键词：

Tree modeling; Skeleton point cloud; Sketch;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Virtual trees are widely used in computer games, cartoons, and internet. In this paper, we propose a new method for tree modeling from sketches. The user draws several strokes to mark up main structures and crown silhouettes of a tree on two images as inputs, a realistic 3D tree can be constructed from sketches automatically and quickly. At first, a point cloud made up of approximate 3D skeleton points is built from sketches. Main branches are constructed by converting a 2D sketch into 3D using the point cloud as shape guidance. The whole tree is completed by adding small branches and leaves. We have demonstrate this method on a variety of examples.

引用

页码：621 / 632

页数：12

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