PyTorch implementations for our SIGGRAPH 2021 paper: Editable Free-viewpoint Video Using a Layered Neural Representation.

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Deep Learningst-nerf
Overview

st-nerf

We provide PyTorch implementations for our paper: Editable Free-viewpoint Video Using a Layered Neural Representation

SIGGRAPH 2021

Jiakai Zhang, Xinhang Liu, Xinyi Ye, Fuqiang Zhao, Yanshun Zhang, Minye Wu, Yingliang Zhang, Lan Xu and Jingyi Yu

st-nerf: Project | Paper

Getting Started

Installation

  • Clone this repo:
git clone https://github.com/DarlingHang/st-nerf
cd st-nerf
  • Install PyTorch and other dependencies using:
conda create -n st-nerf python=3.8.5
conda activate st-nerf    
conda install pytorch==1.7.1 torchvision==0.8.2 torchaudio==0.7.2 cudatoolkit=11.0 -c pytorch
conda install imageio matplotlib
pip install yacs kornia robpy

Datasets

The walking and taekwondo datasets can be downloaded from here.

Apply a pre-trained model to render demo videos

  • We provide our pretrained models which can be found under the outputs folder.
  • We provide some example scripts under the demo folder.
  • To run our demo scripts, you need to first downloaded the corresponding dataset, and put them under the folder specified by DATASETS -> TRAIN in configs/config_taekwondo.yml and configs/config_walking.yml
  • For the walking sequence, you can render videos where some performers are hided by typing the command:
python demo/walking_demo.py -c configs/config_taekwondo.yml
  • For the taekwondo sequence, you can render videos where performers are translated and scaled by typing the command:
python demo/taekwondo_demo.py -c configs/config_walking.yml
  • The rendered images and videos will be under outputs/taekwondo/rendered and outputs/walking/rendered

Acknowlegements

We borrowed some codes from Multi-view Neural Human Rendering (NHR).

Citation

If you use this code for your research, please cite our papers.

 @inproceedings{zhang2021stnerf,
                title={Editable Free-Viewpoint Video using a Layered Neural Representation},
                author={Jiakai, Zhang
                        and Xinhang, Liu
                        and Xinyi, Ye
                        and Fuqiang, Zhao
                        and Yanshun, Zhang
                        and Minye, Wu
                        and Yingliang, Zhang
                        and Lan, Xu
                        and Jingyi, Yu
                        },
                year={2021},
                booktitle={ACM SIGGRAPH},
               }
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