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Learning to Dress 3D People in Generative Clothing

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Abstract

Three-dimensional human body models are widely usedin the analysis of human pose and motion. Existing models, however, are learned from minimally-clothed 3D scansand thus do not generalize to the complexity of dressed people in common images and videos. Additionally, current models lack the expressive power needed to represent the complex non-linear geometry of pose-dependent clothing shapes. To address this, we learn a generative 3D meshmodel of clothed people from 3D scans with varying poseand clothing. Specifically, we train a conditional Mesh-VAE-GAN to learn the clothing deformation from the SMPL body model, making clothing an additional term in SMPL. Our model is conditioned on both pose and clothing type, giving the ability to draw samples of clothing to dress different body shapes in a variety of styles and poses. To preserve wrinkle detail, our Mesh-VAE-GAN extends patchwise discriminators to 3D meshes. Our model, named CAPE, represents global shape and fine local structure, effectively extending the SMPL body model to clothing. To our knowledge, this is the first generative model that directly dresses 3D human body meshes and generalizes to different poses.The model, code and data are available for research pur-poses at https://cape.is.tue.mpg.de
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Dates and versions

hal-02988291 , version 1 (04-11-2020)

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Qianli Ma, Jinlong Yang, Anurag Ranjan, Sergi Pujades, Gerard Pons-Moll, et al.. Learning to Dress 3D People in Generative Clothing. CVPR 2020 - IEEE/CVF Conference on Computer Vision and Pattern Recognition, Jun 2020, Seattle, United States. pp.6468-6477, ⟨10.1109/CVPR42600.2020.00650⟩. ⟨hal-02988291⟩
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