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Automatic anthropometric personalization of a digital human model from a set of subject’s photographs

机译:从一组主体照片中自动的数字人体模型的自动人体测量个性化

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摘要

The objective of the work is to develop a method for automatic dimensioning of a digital human model (DHM) from a set of calibrated photographs of the subject under study. Fifteen subjects (10 males, 5 females, mean age 27) wearing surface retro-reflective markers at major bony landmarks and standing inside a calibrated space, were photographed by means of low cost main stream digital cameras (face, left and right views). The DHM software used is based on a skeletal structure surrounded by contours defined by cross sections along the skeletal links. Specific points corresponding to bony landmarks are defined in body linkage local reference frames. The photograph calibration method (DLT) allows to superimpose a picture of the DHM on the subject’s photographs. A specific algorithm adjusts the length of the manikin skeletal links in function of the measured distance between markers attached to these links (e.g. knee and ankle for the lower leg). Then the contour sections dimensions were adjusted to fit subject’s silhouette extracted from the photographs. The results obtained within a few seconds of calculation consist of a personalized DHM representing the subject with an error less than 2% for stature and less than 4% for weight.
机译:该工作的目的是开发一种用于自动尺寸的方法,用于从正在研究的主题的一组校准照片中自动尺寸。通过低成本的主流数码相机(面部,左和右视图)拍摄了十五个主题(10名男性,5名女性,平均27)佩戴表面复古反射标记并站立在校准空间内。使用的DHM软件基于由沿骨架链路沿横截面定义的轮廓围绕的骨架结构。对应于骨骼地标对应的特定点在体连接局部参考框架中定义。照片校准方法(DLT)允许叠加对象照片上DHM的图片。特定算法调节人体模型骨架链路的长度,其在附着于这些链路上的标记之间的标记之间的测量距离(例如膝盖和小腿的脚踝)。然后调整轮廓部分尺寸,以便从照片中提取主题的轮廓。在几秒钟内计算的结果包括表示误差的个性化DHM,其出现的误差小于2%,而重量小于4%。

著录项

  • 作者

    Jean-Pierre Verriest;

  • 作者单位
  • 年度 2012
  • 总页数
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类

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