Abstract
Taking young Asian women as research object, this paper is to develop a 2D-3D non-contact body measurement and calculation method for daily dressing state used to generate the CWH (chest, waist, and hip) circumferences suitable for garment practical applications. The general research approach is ‘analyzing related curves of human body, finding their fitting functions and length calculating formulas through mathematical analysis and measuring experiment with large number of samples – extracting effective feature points data in daily dressing state by dynamic and static experiments – calculating such dimensions as width and thickness after curve fitting – generating CWH circumferences via formulas and making comparison’. The numerical results validate the 2D-3D method presented in this paper as a useful and effective approach. Being different from other 3D non-contact measuring methods, the authors provide a new way to get the CWH measurements in the condition of daily natural dressing, which not only optimizes the non-contact anthropometrics theory, but also breaks the static measuring mode. Furthermore, the bringing forth of the concept of ‘daily dressing state’ and the laboratory experiments of this paper would be worthy for practical use.
Highlights
As an important branch of clothing ergonomics, anthropometry is the groundwork ensuring clothing design and manufacturing
In contrast to the traditional contact measuring mode, non-contact ones can offer accurate and full-scale measured data to meet the demands of modern garment digital trend well. 3D scanning and 2D-3D conversion are the main measuring and calculating methods used in the field of non-contact anthropometry, especially the former is well-developed over the past two decades
The research works of Wang and Jiang [3] were based on the measurement principle of structured light, a laser rotating body scanning of non-contact measurement system
Summary
As an important branch of clothing ergonomics, anthropometry is the groundwork ensuring clothing design and manufacturing. The research works of Wang and Jiang [3] were based on the measurement principle of structured light, a laser rotating body scanning of non-contact measurement system. In view of garment size designation of the industry, this paper introduces a 2D-3D conversion approach to generate the CWH measurements in natural daily dressing state, no matter the measuring mode is dynamic or static. Experiments prove that this method, which is free from the dressing constrains and break the static mode, can meet the accuracy requirement.
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