Abstract
Non-contact anthropometric measurement is suitable for remote and rapid acquisition of human body dimensions. Especially, anthropometric measurements based on 2D images provide a basis for garment mass customization. In this paper, we reviewed two decades of research on non-contact body measurement based on 2D images, detailing critical processes such as image acquisition, contour extraction, feature point detection, and dimension calculation. Then, we summarized the applications of 2D non-contact body measurement in the garment industry. We found that the current research is confronted with the following three predicaments: Contour extraction in complex backgrounds; Accurate body dimension estimation or calculation; Applicable only to the nude body or tight-fitting status. These limitations restricted the application of 2D non-contact body measurement in garment mass customization. Future research should be focused on rapid body contour extraction from complex backgrounds from the images provided by consumers with tight-fitting or loose-fitting conditions, additionally improving the accuracy of body dimension measurement caused by multi-step iteration error. Reconstruction of the 3D human body model for body dimension measurement, and estimation of body shape and dimensions from the dressed body will be the feasible and reliable approaches for accurate non-contact body measurement based on 2D images.
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