Journal
NEURAL NETWORKS
Volume 133, Issue -, Pages 132-147Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neunet.2020.09.001
Keywords
Face de-identification; GAN; Privacy protection; Deep learning; Social robots; Computer vision
Funding
- National Natural Science Foundation of China [61863005]
- Science and Technology Foundation of Guizhou Province [PTRC [2018] 5702, [2020]6007, [2018] 5781, QKHZC [2019] 2814, [2020]4Y056]
- Graduate Research and Innovation Projects of Guizhou Province [YJSCXJH [2019]109]
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This paper proposes a new face de-identification method based on generative adversarial network (GAN) to protect visual facial privacy. The convergence of the method is mathematically proven and the performance is guaranteed through the design of improved U Net generator and two discriminators with seven-layer network architecture. Experimental results show that the proposed method outperforms baseline methods.
In this paper, we propose a new face de-identification method based on generative adversarial network (GAN) to protect visual facial privacy, which is an end-to-end method (herein, FPGAN). First, we propose FPGAN and mathematically prove its convergence. Then, a generator with an improved U Net is used to enhance the quality of the generated image, and two discriminators with a seven-layer network architecture are designed to strengthen the feature extraction ability of FPGAN. Subsequently, we propose the pixel loss, content loss, adversarial loss functions and optimization strategy to guarantee the performance of FPGAN. In our experiments, we applied FPGAN to face de-identification in social robots and analyzed the related conditions that could affect the model. Moreover, we proposed a new face de-identification evaluation protocol to check the performance of the model. This protocol can be used for the evaluation of face de-identification and privacy protection. Finally, we tested our model and four other methods on the CelebA, MORPH, RaFD, and FBDe datasets. The results of the experiments show that FPGAN outperforms the baseline methods. (c) 2020 Elsevier Ltd. All rights reserved.
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