FaceFormer

PyTorch implementation for the paper:

FaceFormer: Speech-Driven 3D Facial Animation with Transformers, CVPR 2022.

Yingruo Fan, Zhaojiang Lin, Jun Saito, Wenping Wang, Taku Komura

[Paper] [Project Page]

Given the raw audio input and a neutral 3D face mesh, our proposed end-to-end Transformer-based architecture, FaceFormer, can autoregressively synthesize a sequence of realistic 3D facial motions with accurate lip movements.

Environment

Ubuntu 18.04.1
Python 3.7
Pytorch 1.9.0

Dependencies

Check the required python packages in requirements.txt.
ffmpeg
MPI-IS/mesh

Data

VOCASET

Request the VOCASET data from https://voca.is.tue.mpg.de/. Place the downloaded files data_verts.npy, raw_audio_fixed.pkl, templates.pkl and subj_seq_to_idx.pkl in the folder VOCASET. Download "FLAME_sample.ply" from voca and put it in VOCASET/templates.

BIWI

Request the BIWI dataset from Biwi 3D Audiovisual Corpus of Affective Communication. The dataset contains the following subfolders:

'faces' contains the binary (.vl) files for the tracked facial geometries.
'rigid_scans' contains the templates stored as .obj files.
'audio' contains audio signals stored as .wav files.

Place the folders 'faces' and 'rigid_scans' in BIWI and place the wav files in BIWI/wav.

Demo

Download the pretrained models from biwi.pth and vocaset.pth. Put the pretrained models under BIWI and VOCASET folders, respectively. Given the audio signal,

to animate a mesh in BIWI topology, run:

 python demo.py --model_name biwi --wav_path "demo/wav/test.wav" --dataset BIWI --vertice_dim 70110  --feature_dim 128 --period 25 --fps 25 --train_subjects "F2 F3 F4 M3 M4 M5" --test_subjects "F1 F5 F6 F7 F8 M1 M2 M6" --condition M3 --subject M1

to animate a mesh in FLAME topology, run:

 python demo.py --model_name vocaset --wav_path "demo/wav/test.wav" --dataset vocaset --vertice_dim 15069 --feature_dim 64 --period 30  --fps 30  --train_subjects "FaceTalk_170728_03272_TA FaceTalk_170904_00128_TA FaceTalk_170725_00137_TA FaceTalk_170915_00223_TA FaceTalk_170811_03274_TA FaceTalk_170913_03279_TA FaceTalk_170904_03276_TA FaceTalk_170912_03278_TA" --test_subjects "FaceTalk_170809_00138_TA FaceTalk_170731_00024_TA" --condition FaceTalk_170913_03279_TA --subject FaceTalk_170809_00138_TA

This script will automatically generate the rendered videos in the demo/output folder. You can also put your own test audio file (.wav format) under the demo/wav folder and specify the argument --wav_path "demo/wav/test.wav" accordingly.

Training and Testing on VOCASET

Data Preparation

Read the vertices/audio data and convert them to .npy/.wav files stored in vocaset/vertices_npy and vocaset/wav:
```
 cd VOCASET
 python process_voca_data.py
```

Training and Testing

To train the model on VOCASET and obtain the results on the testing set, run:

 python main.py --dataset vocaset --vertice_dim 15069 --feature_dim 64 --period 30 --train_subjects "FaceTalk_170728_03272_TA FaceTalk_170904_00128_TA FaceTalk_170725_00137_TA FaceTalk_170915_00223_TA FaceTalk_170811_03274_TA FaceTalk_170913_03279_TA FaceTalk_170904_03276_TA FaceTalk_170912_03278_TA" --val_subjects "FaceTalk_170811_03275_TA FaceTalk_170908_03277_TA" --test_subjects "FaceTalk_170809_00138_TA FaceTalk_170731_00024_TA"

The results and the trained models will be saved to vocaset/result and vocaset/save.

Visualization

To visualize the results, run:
```
 python render.py --dataset vocaset --vertice_dim 15069 --fps 30
```
You can find the outputs in the vocaset/output folder.

Training and Testing on BIWI

Data Preparation

(to do) Read the geometry data and convert them to .npy files stored in BIWI/vertices_npy.

Training and Testing

To train the model on BIWI and obtain the results on testing set, run:

 python main.py --dataset BIWI --vertice_dim 70110 --feature_dim 128 --period 25 --train_subjects "F2 F3 F4 M3 M4 M5" --val_subjects "F2 F3 F4 M3 M4 M5" --test_subjects "F1 F5 F6 F7 F8 M1 M2 M6"

The results will be available in the BIWI/result folder. The trained models will be saved in the BIWI/save folder.

Visualization

To visualize the results, run:
```
 python render.py --dataset BIWI --vertice_dim 70110 --fps 25
```
The rendered videos will be available in the BIWI/output folder.

Using Your Own Dataset

Data Preparation

Create the dataset directory <dataset_dir> in FaceFormer directory.
Place your vertices data (.npy format) and audio data (.wav format) in <dataset_dir>/vertices_npy and <dataset_dir>/wav folders, respectively.
Save the templates of all subjects to a templates.pkl file and put it in <dataset_dir>, as done for BIWI and vocaset. Export an arbitary template to .ply format and put it in <dataset_dir>/templates/.

Training and Testing

Create the train, val and test splits by specifying the arguments --train_subjects, --val_subjects and --test_subjects in main.py.
Train a FaceFormer model on your own dataset by specifying the arguments --dataset and --vertice_dim (number of vertices in your mesh * 3) in main.py. You might need to adjust --feature_dim and --period to your dataset. Run main.py.
The results and models will be saved to <dataset_dir>/result and <dataset_dir>/save.

Visualization

Specify the arguments --dataset, --vertice_dim and --fps in render.py. Run render.py to visualize the results. The rendered videos will be saved to <dataset_dir>/output.

Citation

If you find this code useful for your work, please consider citing:

@inproceedings{faceformer2022,
title={FaceFormer: Speech-Driven 3D Facial Animation with Transformers},
author={Fan, Yingruo and Lin, Zhaojiang and Saito, Jun and Wang, Wenping and Komura, Taku},
booktitle={Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)},
year={2022}
}

Acknowledgement

We gratefully acknowledge ETHZ-CVL for providing the B3D(AC)2 database and MPI-IS for releasing the VOCASET dataset. The implementation of wav2vec2 is built upon huggingface-transformers, and the temporal bias is modified from ALiBi. We use MPI-IS/mesh for mesh processing and VOCA/rendering for rendering. We thank the authors for their excellent works. Any third-party packages are owned by their respective authors and must be used under their respective licenses.

License

EvelynFan/FaceFormer

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