Cloth compression using local cylindrical coordinates
Cloth compression using local cylindrical coordinates
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使用局部圆柱坐标进行布料压缩
DOI:
10.1007/s00371-017-1389-2
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发表时间:
2017-05
期刊:
影响因子:
3.5
通讯作者:
Huang Jin
中科院分区:
文献类型:
--
作者:
Chen Jiong;Zheng Yicun;Song Ying;Sun Hanqiu;Bao Hujun;Huang Jin
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.
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期刊:
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