Cloth compression using local cylindrical coordinates

Dense triangular mesh is required to represent fine wrinkle details, which leads to heavy cost of storage and network transmission payload for cloth animation. This paper describes a simple and efficient compression method based on the nearly inextensible property of cloth, whose main degrees of fre...

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Bibliographic Details
Published in:The Visual computer 2017-06, Vol.33 (6-8), p.801-810
Main Authors: Chen, Jiong, Zheng, Yicun, Song, Ying, Sun, Hanqiu, Bao, Hujun, Huang, Jin
Format: Article
Language:English
Subjects:
Animation
Artificial Intelligence
Channels
Cloth
Compression ratio
Computer Graphics
Computer Science
Computing costs
Connectivity
Cylindrical coordinates
Decomposition
Dihedral angle
Image Processing and Computer Vision
Methods
Original Article
Simulation
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Summary:Dense triangular mesh is required to represent fine wrinkle details, which leads to heavy cost of storage and network transmission payload for cloth animation. This paper describes a simple and efficient compression method based on the nearly inextensible property of cloth, whose main degrees of freedom are the dihedral angles. Given a single frame as the reference, we build a local cylindrical coordinate system and encode the vertex as three channels: dihedral angle, change of radius and height w.r.t. the reference. The values of latter two channels are close to zero due to the inextensibility of cloth, which helps for a high compression ratio. Compared with previous approaches, our method can achieve a higher compression ratio with lower computational cost.
ISSN:0178-2789
1432-2315
DOI:10.1007/s00371-017-1389-2