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Implementation of paper "Re-thinking Model Inversion Attacks Against Deep Neural Networks" - CVPR 2023

Paper | Project page

1. Setup Environment

This code has been tested with Python 3.7, PyTorch 1.11.0 and Cuda 11.3.

conda create -n MI python=3.7

conda activate MI

pip install torch==1.11.0+cu113 torchvision==0.12.0+cu113 torchaudio==0.11.0 --extra-index-url https://download.pytorch.org/whl/cu113

pip install -r requirements.txt

2. Prepare Dataset & Checkpoints

  • Dowload CelebA and FFHQ dataset at the official website.
  • CelebA: download and extract the CelebA. Then, place the img_align_celeba folder to .\datasets\celeba

  • FFHQ: download and extract the FFHQ. Then, place the thumbnails128x128 folder to .\datasets\ffhq

Otherwise, you can train the target classifier and GAN as follow:

2.1. Training the target classifier (Optional)

  • Modify the configuration in .\config\celeba\classify.json
  • Then, run the following command line to get the target model
    python train_classifier.py
    

2.2. Training GAN (Optional)

SOTA MI attacks work with a general GAN[1]. However, Inversion-Specific GANs[2] help improve the attack accuracy. In this repo, we provide codes for both training general GAN and Inversion-Specific GAN.

2.2.1. Build a inversion-specific GAN

  • Modify the configuration in

    • ./config/celeba/training_GAN/specific_gan/celeba.json if training a Inversion-Specific GAN on CelebA (KEDMI[2]).
    • ./config/celeba/training_GAN/specific_gan/ffhq.json if training a Inversion-Specific GAN on FFHQ (KEDMI[2]).
  • Then, run the following command line to get the Inversion-Specific GAN

    python train_gan.py --configs path/to/config.json --mode "specific"
    

2.2.2. Build a general GAN

  • Modify the configuration in

    • ./config/celeba/training_GAN/general_gan/celeba.json if training a general GAN on CelebA (GMI[1]).
    • ./config/celeba/training_GAN/general_gan/ffhq.json if training a general GAN on FFHQ (GMI[1]).
  • Then, run the following command line to get the General GAN

    python train_gan.py --configs path/to/config.json --mode "general"
    

3. Learn augmented models

We provide code to train augmented models (i.e., efficientnet_b0, efficientnet_b1, and efficientnet_b3) from a target model.

  • Modify the configuration in

    • ./config/celeba/training_augmodel/celeba.json if training an augmented model on CelebA
    • ./config/celeba/training_augmodel/ffhq.json if training an augmented model on FFHQ
  • Then, run the following command line to train augmented models

    python train_augmented_model.py --configs path/to/config.json
    

Pretrained augmented models and p_reg can be downloaded at https://drive.google.com/drive/u/2/folders/1kq4ArFiPmCWYKY7iiV0WxxUSXtP70bFQ

We remark that if you train augmented models, please do not use our p_reg. Delete files in ./p_reg/ before inversion. Our code will automatically estimate p_reg with new augmented models.

4. Model Inversion Attack

  • Modify the configuration in

    • ./config/celeba/attacking/celeba.json if training an augmented model on CelebA
    • ./config/celeba/attacking/ffhq.json if training an augmented model on FFHQ
  • Important arguments:

    • method: select the method either gmi or kedmi
    • variant select the variant either baseline, L_aug, L_logit, or ours
  • Then, run the following command line to attack

    python recovery.py --configs path/to/config.json
    

5. Evaluation

After attack, use the same configuration file to run the following command line to get the result:\

python evaluation.py --configs path/to/config.json

Acknowledgements

We gratefully acknowledge the following works:

Reference

[1] Zhang, Yuheng, et al. "The secret revealer: Generative model-inversion attacks against deep neural networks." Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition. 2020.

[2] Si Chen, Mostafa Kahla, Ruoxi Jia, and Guo-Jun Qi. Knowledge-enriched distributional model inversion attacks. In Proceedings of the IEEE/CVF international conference on computer vision, pages 16178–16187, 2021

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