摘要
基于服装定制对数字化人体模型在精度和个性化表现上的需求,在前期研究的基础上提出一种适用于人体复杂特征的人体造型变形算法。对人体曲面复杂特征中的胸围围线进行处理,并求取该围线的凸包作为人体特征尺寸参数;考虑胸高点对女体胸部造型的影响,在胸部正面引入两个变形轴,分别用于描述人体厚度变化和女体乳房的尺寸变化;基于胸高点和人体模型其他分界点,将胸围围线分成3段简单曲线,并确定每一段的变形中心、变形轴和变形算法;将3个变形后的简单曲线合成一个新胸围围线,求出胸围围线凸包长度,执行该胸围围线变形算法直至输入胸围尺寸与胸围围线凸包长度相等为止。该数字化人体模型适合于离线和在线两种方式下应用,在互联网+大规模服装定制中具有广阔的应用前景。
Based on the demand regarding the dimensional accuracy and individual shape of body model in apparel customization,this paper proposed a parametric deformation approach of body model with complex features.The complex feature(bust contours)of body model were processed and the convex hulls of bust contours were obtained to indicate the parameter of body feature.Two deformation axes,used for describing body thickness and breast dimension during the deformation of body model,were introduced in the positive direction of body model after considering the influence of bust peak upon the bust feature of female body.The bust contour was divided into three segments based on bust peak,the border point of body model and the deformation center point,axes and algorithm of each segment were confirmed.Three deformed segments were merged into a bust contour,then the deformation algorithm was executed until the input value of bust was equal to the convex hulls of bust contour.The approach is suitable for both offline and online mode and has a broad application prospect in internet plus apparel mass customization.
作者
修毅
王银辉
张颖
XIU Yi;WANG Yinhui;ZHANG Ying(Computer Information Center,Beijing Institute of Fashion Technology,Beijing 100029,China)
出处
《东华大学学报（自然科学版）》
CAS
北大核心
2020年第4期568-573,共6页
Journal of Donghua University(Natural Science)
基金
北京市教育委员会科技计划一般资助项目(KM20190012001)。
关键词
复杂人体特征
变形轴
参数化变形
人体特征造型
参数化人体模型
complex body feature
deformation axes
parametric deformation
body feature model
parametric body model
