基于光栅成像的织物悬垂三维形态重建算法  

Three-Dimensional Shape Reconstruction Algorithm of Fabric Drapability Based on Raster Imaging

作　　者：王寿兵[1] 周华[2] 沈毅[2] 刘玄木[2] 

机构地区：[1]南通纺织职业技术学院信息技术系,江苏南通226007 [2]浙江理工大学现代纺织机械省重点实验室,浙江杭州310018

出　　处：《工程图学学报》2008年第2期136-141,共6页Journal of Engineering Graphics

基　　金：国家自然科学基金资助项目(50275139);浙江省自然科学基金资助项目(501023)

摘　　要：根据织物悬垂三维形态测试仪的基本原理,提出了一种织物悬垂性图像的三维形态重建算法。首先识别出试样的边缘轮廓,然后从全景光栅图像中提取等高线信息,对光栅条纹进行定位,计算出光栅条纹所在位置的空间高度,从而得到试样上光栅取样点的三维坐标数值,再利用双三次贝赛尔曲面重建试样悬垂形态的三维图像。结合实例陈述了该算法的设计和实现过程。According to the fundamental of the fabric drapability three dimensional shape tester, a three dimensional shape reconstruction algorithm of fabric drapability is proposed. First, the outer edge of the fabric sample is identified; next, the contour line from the panoramic raster stripes image is extracted; then positioning and computing the height of raster stripes to obtain the 3D coordinates of sampling points in raster stripes; finally, the 3D fabric drapability image of the specimen is reconstructed using bicubic Brzier surface. The design and execution process of the algorithm are expounded with examples.

关 键 词：计算机应用 织物悬垂性 光栅条纹 三维形态重建 

分 类 号：TP301.6[自动化与计算机技术—计算机系统结构]