GaussianHead: High-fidelity Head Avatars with Learnable Gaussian Derivation

| arXiv | Project Page |

Getting Started

• Git clone this repo, note using --recursive to get submodules;
• Create a conda or python environment and activate. For e.g.,conda create -n gaussian-head python=3.8, source(or conda) activate gaussian-head;
• PyTorch >= 2.0.0 is necessary as geoopt requires, for e.g., pip install torch==2.0.0 torchvision==0.15.1 torchaudio==2.0.1 --index-url https://download.pytorch.org/whl/cu118;
• install all requirements in requirements.txt;
• geoopt is necessary for Riemannian ADAM, refer to it and install in pypi by pip install geoopt.

Riemannian ADAM

Please refer to here to download it, and please consider citing 'Riemannian Adaptive Optimization Methods' in ICLR2019 if used.

Preparing Dataset

All our data is sourced from publicly available datasets NeRFBlendShape and make specific modifications.

Download our modified datasets for train and render, store it in the following directory.

gaussian-head
    ├── data
       ├── id1
           ├── ori_imgs    # rgb frames
           ├── mask    # binary masks
           └── transforms.json    # camera params and expressions
       ├── id2
           ......

Pre-trained Model

Download the id1 pre-trained model (training on RTX 2080ti) to quickly view the results, and store the training model according to ./gaussian-head/output/id1

Training[soon...]

Store the training data according to the format and cd to ./gaussian-head, run:

python ./train.py -s ./data/${id} -m ./output/${id} --eval

Rendering

Use your own trained model or the pre-trained model we provide, cd to ./gaussian-head and run next command, output results will save in ./gaussian-head/output/id1/test

python render.py -m ./output/${id}

Additional Tools

• Set --is_debug used to quickly load a small amount of training data for debug;
• After training, set --novel_view, and then run render.py to get the novel perspective result rotated by the y-axis;
• Set --only_head will only perform head training and rendering. Before this, face_parsing needs to be performed to obtain the segmentation, this can be easily obtained at NeRFBlendShape;

Citation

If anything useful, a star is best and please cite as:

@misc{wang2024gaussianhead,
      title={GaussianHead: High-fidelity Head Avatars with Learnable Gaussian Derivation}, 
      author={Jie Wang and Jiu-Cheng Xie and Xianyan Li and Feng Xu and Chi-Man Pun and Hao Gao},
      year={2024},
      eprint={2312.01632},
      archivePrefix={arXiv},
      primaryClass={cs.CV}
}