快速设定三维空间中服装缝合信息的新算法  

New algorithm of setting garment's seaming information rapidly in 3-D space

作　　者：唐勇[1] 甄同妙 吕梦雅[1] 杨偲偲[1,2] 张明敏[3] 潘志庚[2] 

机构地区：[1]燕山大学信息科学与工程学院,河北秦皇岛066004 [2]杭州师范大学,浙江杭州311121 [3]浙江大学计算机科学与技术学院,浙江杭州310027

出　　处：《纺织学报》2014年第4期126-134,141,共10页Journal of Textile Research

基　　金：河北省自然科学基金资助项目(F2012203084);国家自然科学基金资助项目(60970073);国家科技支撑计划课题(2012BAD35B01)

摘　　要：针对以选点方式设定服装缝合信息带来的效率低下和二维空间中缝合信息显示杂乱的问题,提出一种在三维空间中以选取线段的方式快速设定服装缝合信息的算法。首先,为在三维空间中选取边框线段,建立服装层次模型;然后,为减少人机交互次数提高设定效率,绘制二维衣片边界并确定其边框,建立衣片边框及其边界点间的从属关系,从而实现选取边框对时便能自动建立所属边界点的对应缝合关系;最后,为避免缝合信息交叉显示,每设定1对缝合对应关系后利用三维空间的立体特征立即显示缝合信息。结果表明,该方法适用于多款服装缝合信息的设定,不仅能有效提高设定效率,而且使得缝合线的显示效果清晰直观。An improved algorithm is proposed to rapidly set the seaming information in the garment by means of the selected segments in the 3-D space. According to the algorithm, the low efficiency brought by previous methods can be improved and the problem of the seaming information＇s cluttered display in the 2-D background can be solved. Firstly, the garment hierarchical model is built to select the silhouette segments. Secondly, in order to decrease the human-computer interaction cost and improve the efficiency when setting seaming information, two-dimensional piece＇s boundary is drawn and its border is determined. The relationship between border frame and boundary points is built. Then the seaming information between corresponding boundary points can be set automatically when a pair of border frames are selected. Finally, the seaming information in 3-D space is shown immediately after setting a pair of seaming correspondences every time to avoid the problem of its cluttered display in 2-D background. The experimental results show that the proposed method not only can raise the efficiency of seaminginformation setting but also can make the seaming-information be displayed more clearly and more visualy, and is suitable to set seaming information in different kinds of garments.

关 键 词：衣片边框 衣片边界 层次模型 设定缝合信息 显示缝合信息 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]