Automatic location and semantic labeling of landmarks on 3D human body models  

作　　者：Shan Luo Qitong Zhang Jieqing Feng 

机构地区：[1]State Key Lab of CAD&CG,Zhejiang University,Hangzhou 310058,China

出　　处：《Computational Visual Media》2022年第4期553-570,共18页计算可视媒体（英文版）

基　　金：jointly supported by the National Natural Science Foundation of China under Grant Nos.61732015,61932018,and 61472349.

摘　　要：Landmarks on human body models are of great significance for applications such as digital anthropometry and clothing design.The diversity of pose and shape of human body models and the semantic gap make landmarking a challenging problem.Inthis paper,a learning-based method is proposed to locate landmarks on human body models by analyzing the relationship between geometric descriptors and semantic labels of landmarks.A shape alignmentalgorithm is proposed to align human body models to break symmetric ambiguity.A symmetry-awaredescriptor is proposed based on the structure of the human body models,which is robust to both pose and shape variations in human body models.AnAdaBoost regression algorithm is adopted to establish the correspondence between several descriptors and semantic labels of the landmarks.Quantitative and qualitative analyses and comparisons show that the proposed method can obtain more accurate landmarks and distinguish symmetrical landmarks semantically.Additionally,a dataset of landmarked human body models is also provided,containing 271 human body models collected from current human body datasets;each model has 17 landmarks labeled manually.

关 键 词：3D human body model DESCRIPTOR land-marking shape alignment 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]