纺织学报 ›› 2020, Vol. 41 ›› Issue (10): 46-51.doi: 10.13475/j.fzxb.20190306806

• 纺织工程 • 上一篇    下一篇

基于三维悬垂模型和织物面密度的织物匹配

余志才1, 钟跃崎1,2(), GONGRHugh3, 谢昊洋1, HUSSAINAzmat1   

  1. 1.东华大学 纺织学院, 上海 201620
    2.东华大学 纺织面料技术教育部重点实验室, 上海 201620
    3.曼彻斯特大学 材料学院, 英国, 曼彻斯特 M139PL
  • 收稿日期:2019-03-25 修回日期:2020-07-01 出版日期:2020-10-15 发布日期:2020-10-27
  • 通讯作者: 钟跃崎
  • 作者简介:余志才(1988—),男,博士生。主要研究方向为深度学习在织物悬垂方面的应用。
  • 基金资助:
    国家自然科学基金项目(61572124);东华大学优秀博士生国际访学基金项目(1159116)

Fabric matching based on three-dimensional drape model and fabric weight

YU Zhicai1, ZHONG Yueqi1,2(), GONG R Hugh3, XIE Haoyang1, HUSSAIN Azmat1   

  1. 1. College of Textiles, Donghua University, Shanghai 201620, China
    2. Key Laboratory of Textile Science & Technology, Ministry of Education, Donghua University, Shanghai 201620, China
    3. The School of Material, The University of Manchester, Manchester M139PL, UK
  • Received:2019-03-25 Revised:2020-07-01 Online:2020-10-15 Published:2020-10-27
  • Contact: ZHONG Yueqi

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摘要：

为能够根据织物的悬垂形态快速准确地匹配到与给定织物综合性能相近的织物样本,利用自主搭建的悬垂织物三维扫描装置获取了悬垂织物的三维点云数据。将三维点云封装为三角形网络后,利用局部线性嵌入的方法对悬垂织物三角形网格重采样,使不同的悬垂织物三维模型具有相同的顶点数目和三角形拓扑结构;然后基于重采样三角形网格提出了2种织物匹配方法,即基于传统悬垂指标和织物面密度的织物匹配以及基于曲率统计直方图和织物面密度的织物匹配;最后计算了织物力学特征的相似度,以此相似度为基准对织物匹配结果进行评价。结果表明:基于悬垂指标和织物面密度的织物匹配准确率为86.91%;基于曲率统计直方图和织物面密度的织物匹配准确率为93.79%。

关键词: 悬垂织物, 三维网格, 织物匹配, 曲率统计直方图

Abstract:

In order to match a fabric to a given category based on draping characteristics, this study was started by creating three-dimensional point cloud of a draped fabric using a self-built three-dimensional scanning device. The local linear embedding (LLE) was used to resample the draped fabric based on the point cloud organized following triangulation. With resampling,different fabrics were represented by the same number of points and topology. Two methods were proposed to characterize fabrics with the fabric drape models, i.e., matching fabrics with three fabric drape indicators as well as fabric weight and matching fabrics with the statistical histogram of the curvature as well as fabric weight. Eventually, the similarity between fabric mechanical properties was used to estimate the accuracy of fabric matching. The results show that the accuracy of fabric matching based on three fabric drape indicators as well as fabric weight is 86.91%, whereas that based on the statistical histogram of curvature combined with fabric weight reaches 93.79%.

Key words: draped fabric, three-dimensional mesh, fabric matching, statistical histogram of curvature

中图分类号: 

  • TS131.9

图1

悬垂织物三维模型扫描装置及流程"

图2

悬垂织物三角形网格"

图3

均匀分布的离散点与重采样"

图4

空间三角形与其对应投影三角形示意图"

图5

悬垂织物俯视图像与对应的曲率统计直方图"

表1

3种织物规格参数"

编号 组分 面密度/
(g·m-2)		 弯曲刚度/
(cN·cm-1)		 剪切刚度/
(cN·cm-1)
1# 麻 186.37 0.255 9 0.313 8
2# 丝 74.01 0.021 6 0.215 7
3# 毛 166.71 0.040 2 0.686 4

图6

织物匹配结果"

表2

4种织物规格参数"

编号 组分 面密度/
(g·m-2)		 弯曲刚度/
(cN·cm-1)		 剪切刚度/
(cN·cm-1)
1# 丝 135.10 0.003 9 0.215 7
2# 麻 160.41 0.027 5 1.059 1
3# 毛 322.65 0.064 7 1.225 8
4# 涤纶 303.20 0.083 4 0.264 7
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