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Unsupervised Discovery of Disentangled Interpretable Directions for Layer-Wise GAN

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Big Data (BigData 2022)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 1709))

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Abstract

Many studies have shown that generative adversarial networks (GANs) can discover semantics at various levels of abstraction, yet GANs do not provide an intuitive way to show how they understand and control semantics. In order to identify interpretable directions in GAN’s latent space, both supervised and unsupervised approaches have been proposed. But the supervised methods can only find the directions consistent with the supervised conditions. However, many current unsupervised methods are hampered by varying degrees of semantic property disentanglement. This paper proposes an unsupervised method with a layer-wise design. The model embeds subspace in each generator layer to capture the disentangled interpretable semantics in GAN. And the research also introduces a latent mapping network to map the inputs to an intermediate latent space with rich disentangled semantics. Additionally, the paper applies an Orthogonal Jacobian regularization to the model to impose constraints on the overall input, further enhancing disentanglement. Experiments demonstrate the method’s applicability in the human face, anime face, and scene datasets and its efficacy in finding interpretable directions. Compared with existing unsupervised methods in both qualitative and quantitative aspects, this study proposed method achieves excellent improvement in the disentanglement effect.

H. Hu, X. Zhou, X. Huo and B. Zhang—Contributing authors.

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Acknowledgments

This work was supported in part by the National Natural Science Foundation of China under grant 62072169, and Natural Science Foundation of Hunan Province under grant 2021JJ30138.

Author information

Authors and Affiliations

  1. College of Computer Science and Electronic Engineering, Hunan University, Changsha, 410082, Hunan, China

    Haotian Hu, Bin Jiang, Xinjiao Zhou, Xiaofei Huo & Bolin Zhang

  2. Key Laboratory for Embedded and Network Computing of Hunan Province, Hunan University, Changsha, 410082, Hunan, China

    Bin Jiang

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  1. Haotian Hu
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Corresponding author

Correspondence to Bin Jiang .

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Editors and Affiliations

  1. Southwest Jiaotong University, Chengdu, China

    Tianrui Li

  2. Shenzhen University, Shenzhen, China

    Rui Mao

  3. Chongqing University of Posts and Telecommunications, Chongqing, China

    Guoyin Wang

  4. Southwest Jiaotong University, Chengdu, China

    Fei Teng

  5. Sichuan University, Chengdu, China

    Lei Zhang

  6. Taiyuan University of Technology, Taiyuan, China

    Li Wang

  7. Shenzhen University, Shenzhen, China

    Laizhong Cui

  8. Southwest Jiaotong University, Chengdu, China

    Jie Hu

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Hu, H., Jiang, B., Zhou, X., Huo, X., Zhang, B. (2022). Unsupervised Discovery of Disentangled Interpretable Directions for Layer-Wise GAN. In: Li, T., et al. Big Data. BigData 2022. Communications in Computer and Information Science, vol 1709. Springer, Singapore. https://doi.org/10.1007/978-981-19-8331-3_2

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  • DOI: https://doi.org/10.1007/978-981-19-8331-3_2

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