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    • Sphere Face Model: A 3D morphable model with hypersphere manifold latent space using joint 2D/3D training
    Authors: Diqiong, Jiang; Yiwei, Jin; Fang-Lue, Zhang;  Advisor: -;  Co-Author: - (2023)

    3D morphable models (3DMMs) are generative models for face shape and appearance. Recent works impose face recognition constraints on 3DMM shape parameters so that the face shapes of the same person remain consistent. However, the shape parameters of traditional 3DMMs satisfy the multivariate Gaussian distribution. In contrast, the identity embeddings meet the hypersphere distribution, and this conflict makes it challenging for face reconstruction models to preserve the faithfulness and the shape consistency simultaneously.