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FSGAN - Official PyTorch Implementation

Example video face swapping: Barack Obama to Benjamin Netanyahu, Shinzo Abe to Theresa May, and Xi Jinping to Justin Trudeau.

This repository contains the source code for the video face swapping and face reenactment method described in the paper:

FSGAN: Subject Agnostic Face Swapping and Reenactment
International Conference on Computer Vision (ICCV), Seoul, Korea, 2019
Yuval Nirkin, Yosi Keller, Tal Hassner
Paper   Video

Abstract: We present Face Swapping GAN (FSGAN) for face swapping and reenactment. Unlike previous work, FSGAN is subject agnostic and can be applied to pairs of faces without requiring training on those faces. To this end, we describe a number of technical contributions. We derive a novel recurrent neural network (RNN)–based approach for face reenactment which adjusts for both pose and expression variations and can be applied to a single image or a video sequence. For video sequences, we introduce continuous interpolation of the face views based on reenactment, Delaunay Triangulation, and barycentric coordinates. Occluded face regions are handled by a face completion network. Finally, we use a face blending network for seamless blending of the two faces while preserving target skin color and lighting conditions. This network uses a novel Poisson blending loss which combines Poisson optimization with perceptual loss. We compare our approach to existing state-of-the-art systems and show our results to be both qualitatively and quantitatively superior.

Important note

THE METHODS PROVIDED IN THIS REPOSITORY ARE NOT TO BE USED FOR MALICIOUS OR INAPPROPRIATE USE CASES.
We release this code in order to help facilitate research of technical counter-measures for detecting this kind of forgeries. Suppressing this kind of publications will not stop their development but will only make it more difficult to detect them.

Please note this is a work in progress, while we make every effort to improve the results of this method, not every pair of faces can produce a high quality face swap.

Requirements

• High-end NVIDIA GPUs with at least 11GB of DRAM.
• Either Linux or Windows. We recommend Linux for better performance.
• CUDA Toolkit 10.1+, CUDNN 7.5+, and the latest NVIDIA driver.

Installation

git clone https://github.com/YuvalNirkin/fsgan
cd fsgan
conda env create -f fsgan_env.yml
conda activate fsgan
pip install .    # Alternatively add the root directory of the repository to PYTHONPATH.

For accessing FSGAN's pretrained models and auxiliary data, please fill out this form. We will then send you a link to FSGAN's shared directory and download script.

python download_fsgan_models.py   # From the repository root directory

Inference

• Face swapping guide
• Face swapping Google Colab
• Paper models guide

Training

• Training V2

Comparison on FaceForensics++

To make it easier to compare against FSGAN, we have provided the FSGAN (original paper) results on the FaceForensics++ dataset for both the C23 and C40 compressions:

• FaceForensics++ FSGANv1 C40
• FaceForensics++ FSGANv1 C23 (part 1)
• FaceForensics++ FSGANv1 C23 (part 2)

Citation

@inproceedings{nirkin2019fsgan,
  title={{FSGAN}: Subject agnostic face swapping and reenactment},
  author={Nirkin, Yuval and Keller, Yosi and Hassner, Tal},
  booktitle={Proceedings of the IEEE International Conference on Computer Vision},
  pages={7184--7193},
  year={2019}
}

@inproceedings{nirkin2022fsganv2,
  title={{FSGANv2}: Improved Subject Agnostic Face Swapping and Reenactment},
  author={Nirkin, Yuval and Keller, Yosi and Hassner, Tal},
  journal={IEEE Transactions on Pattern Analysis and Machine Intelligence},
  year={2022},
  publisher={IEEE}
}