Feature extraction and clustering of lower-body shapes in older women using unsupervised contrastive learning on 3D point clouds

Jianmei Sun, Baixue Zhou, Tong Yao, Jun Wang, Li Pan, School of Textile and Material Engineering, Dalian Polytechnic University, School of Fashion, Dalian Polytechnic University, National Demonstration Center for Experimental Fashion Design and Engineering Education , Dalian Polytechnic University

Textile Research Journal

Published online on May 15, 2026

Abstract

Textile Research Journal, Ahead of Print.
Significant variations exist in the lower-body shapes of older women. Traditional anthropometric analysis methods cannot capture their complex three-dimensional (3D) morphology. This study proposes an unsupervised learning framework that extracts lower-...