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Fast 2-Step Regularization on Style Optimization for Real Face Morphing
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  • Cheng Yu ,
  • Wenmin Wang ,
  • HongLei Lei ,
  • Roberto Bugiolacchi ,
  • Honglei Li
Cheng Yu
Macau University of Science and Technology, Macau University of Science and Technology

Corresponding Author:[email protected]

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Wenmin Wang
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HongLei Lei
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Roberto Bugiolacchi
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Honglei Li
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StyleGAN is now capable of achieving excellent results, especially high-quality face synthesis. Recently, some studies have tried to invert real face images into style latent space via StyleGAN. However, morphing real faces via latent representation is still in its infancy. Training costs are high and/or require huge samples with labels. By adding regularization to style optimization, we propose a novel method to morph real faces based on StyleGAN. To do the supervised task, we label latent vectors via synthesized faces and release the label set; then we utilise logistic regression to fast discover interpretable directions in latent space. Appropriate regularization helps us to optimize both latent vectors (faces and directions). Moreover, we use learned directions under different layer representations to handle real face morphing. Compared to the existing methods, our method faster yields a larger diverse and realistic output. Code and cases are available at \url{https://github.com/disanda/RFM}.
Nov 2022Published in Neural Networks volume 155 on pages 28-38. 10.1016/j.neunet.2022.08.007