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<dc:title xml:lang="en">High-quality recovery of garment models and sewing patterns from 3D clothed human data</dc:title>
<dcterms:alternative xml:lang="fr">Reconstruction de haute qualité des modèles de vêtements et des patrons de couture à partir de données 3D d'humains vêtus</dcterms:alternative>
<dc:subject xml:lang="fr">Méthode des éléments finis</dc:subject>
<dc:subject xml:lang="fr">Modélisation inverse des vêtements</dc:subject>
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<dc:subject xml:lang="fr">Déformation du maillage</dc:subject>
<dc:subject xml:lang="en">Finite element method</dc:subject>
<dc:subject xml:lang="en">Inverse garment modeling</dc:subject>
<dc:subject xml:lang="en">Differentiable simulation</dc:subject>
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<dcterms:abstract xml:lang="fr">3D peut améliorer l’interprétation des vêtements réels et leur reproduction numérique, avec des applications en RV et essayages virtuels. Cette thèse aborde la reconstruction de vêtements en estimant une réplique animable et son patron 2D. Basée sur un simulateur différentiable, notre approche optimise la forme simulée pour qu’elle corresponde à la cible, tout en préservant des propriétés clés comme la symétrie. Notre pipeline s’aligne sur les standards de l’industrie, ajustant patrons et matériaux pour affiner la géométrie et permettre la réanimation. Nous introduisons également une optimisation par déformation pour raffiner davantage la géométrie du maillage afin de capturer des détails fins, améliorant l’ajustement et facilitant l’enregistrement non rigide. Nos expériences sur données réelles et synthétiques montrent que nos méthodes surpassent l’état de l’art en term de précision.</dcterms:abstract>
<dcterms:abstract xml:lang="en">Recovering high-quality garment models from 3D clothed human shapes can enhance the interpretability of real garments and their digital reproduction, benefiting applications like VR and virtual try-ons. This thesis tackles the challenge of reconstructing garment geometry by estimating an animatable replica and its 2D pattern. Using a differentiable cloth simulator, we optimize the simulated garment to match the target shape while preserving key properties like symmetry. Our inverse garment design pipeline aligns with industry-standard modeling and simulation processes, adjusting 2D patterns and material properties to refine geometry and enable reanimation. Additionally, we introduce a deformation-based optimization method that refines mesh geometry to capture fine-grained details, improving fit and supporting non-rigid registration. Experiments on real and synthetic data demonstrate that our methods surpass state-of-the-art techniques in garment model quality and pattern accuracy.</dcterms:abstract>
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