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| <!-- PROJECT LOGO --> | |
| <p align="center"> | |
| <h1 align="center">ECON: Explicit Clothed humans Obtained from Normals</h1> | |
| <p align="center"> | |
| <a href="http://xiuyuliang.cn/"><strong>Yuliang Xiu</strong></a> | |
| 路 | |
| <a href="https://ps.is.tuebingen.mpg.de/person/jyang"><strong>Jinlong Yang</strong></a> | |
| 路 | |
| <a href="https://hoshino042.github.io/homepage/"><strong>Xu Cao</strong></a> | |
| 路 | |
| <a href="https://ps.is.mpg.de/~dtzionas"><strong>Dimitrios Tzionas</strong></a> | |
| 路 | |
| <a href="https://ps.is.tuebingen.mpg.de/person/black"><strong>Michael J. Black</strong></a> | |
| </p> | |
| <h2 align="center">arXiv 2022</h2> | |
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| <a href="https://arxiv.org/abs/2212.07422"> | |
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| <br/> | |
| ECON is designed for "Human digitization from a color image", which combines the best properties of implicit and explicit representations, to infer high-fidelity 3D clothed humans from in-the-wild images, even with **loose clothing** or in **challenging poses**. ECON also supports **multi-person reconstruction** and **SMPL-X based animation**. | |
| <br/> | |
| <br/> | |
| ## News :triangular_flag_on_post: | |
| - [2022/12/22] <a href='https://colab.research.google.com/drive/1YRgwoRCZIrSB2e7auEWFyG10Xzjbrbno?usp=sharing' style='padding-left: 0.5rem;'><img src='https://colab.research.google.com/assets/colab-badge.svg' alt='Google Colab'></a> is now available, created by [AroArz](https://github.com/AroArz)! | |
| - [2022/12/15] Both <a href="#demo">demo</a> and <a href="https://arxiv.org/abs/2212.07422">arXiv</a> are available. | |
| ## TODO | |
| - [ ] Blender add-on for FBX export | |
| - [ ] Full RGB texture generation | |
| <br> | |
| <!-- TABLE OF CONTENTS --> | |
| <details open="open" style='padding: 10px; border-radius:5px 30px 30px 5px; border-style: solid; border-width: 1px;'> | |
| <summary>Table of Contents</summary> | |
| <ol> | |
| <li> | |
| <a href="#instructions">Instructions</a> | |
| </li> | |
| <li> | |
| <a href="#demo">Demo</a> | |
| </li> | |
| <li> | |
| <a href="#applications">Applications</a> | |
| </li> | |
| <li> | |
| <a href="#tricks">Tricks</a> | |
| </li> | |
| <li> | |
| <a href="#citation">Citation</a> | |
| </li> | |
| </ol> | |
| </details> | |
| <br/> | |
| ## Instructions | |
| - See [docs/installation.md](docs/installation.md) to install all the required packages and setup the models | |
| ## Demo | |
| ```bash | |
| # For single-person image-based reconstruction | |
| python -m apps.infer -cfg ./configs/econ.yaml -in_dir ./examples -out_dir ./results | |
| # For multi-person image-based reconstruction (see config/econ.yaml) | |
| python -m apps.infer -cfg ./configs/econ.yaml -in_dir ./examples -out_dir ./results -multi | |
| # To generate the demo video of reconstruction results | |
| python -m apps.multi_render -n {filename} | |
| # To animate the reconstruction with SMPL-X pose parameters | |
| python -m apps.avatarizer -n {filename} | |
| ``` | |
| ## Tricks | |
| ### Some adjustable parameters in _config/econ.yaml_ | |
| - `use_ifnet: True` | |
| - True: use IF-Nets+ for mesh completion ( $\text{ECON}_\text{IF}$ - Better quality) | |
| - False: use SMPL-X for mesh completion ( $\text{ECON}_\text{EX}$ - Faster speed) | |
| - `use_smpl: ["hand", "face"]` | |
| - [ ]: don't use either hands or face parts from SMPL-X | |
| - ["hand"]: only use the **visible** hands from SMPL-X | |
| - ["hand", "face"]: use both **visible** hands and face from SMPL-X | |
| - `thickness: 2cm` | |
| - could be increased accordingly in case final reconstruction **xx_full.obj** looks flat | |
| - `hps_type: PIXIE` | |
| - "pixie": more accurate for face and hands | |
| - "pymafx": more robust for challenging poses | |
| - `k: 4` | |
| - could be reduced accordingly in case the surface of **xx_full.obj** has discontinous artifacts | |
| <br/> | |
| ## More Qualitative Results | |
| |  | | |
| | :------------------------------------: | | |
| | _Challenging Poses_ | | |
| |  | | |
| | _Loose Clothes_ | | |
| ## Applications | |
| |  |  | | |
| | :----------------------------------------------------------------------------------------------------: | :-----------------------------------------: | | |
| | _ECON could provide pseudo 3D GT for [SHHQ Dataset](https://github.com/stylegan-human/StyleGAN-Human)_ | _ECON supports multi-person reconstruction_ | | |
| <br/> | |
| <br/> | |
| ## Citation | |
| ```bibtex | |
| @article{xiu2022econ, | |
| title={{ECON: Explicit Clothed humans Obtained from Normals}}, | |
| author={Xiu, Yuliang and Yang, Jinlong and Cao, Xu and Tzionas, Dimitrios and Black, Michael J.}, | |
| year={2022} | |
| journal={{arXiv}:2212.07422}, | |
| } | |
| ``` | |
| <br/> | |
| ## Acknowledgments | |
| We thank [Lea Hering](https://is.mpg.de/person/lhering) and [Radek Dan臎膷ek](https://is.mpg.de/person/rdanecek) for proof reading, [Yao Feng](https://ps.is.mpg.de/person/yfeng), [Haven Feng](https://is.mpg.de/person/hfeng), and [Weiyang Liu](https://wyliu.com/) for their feedback and discussions, [Tsvetelina Alexiadis](https://ps.is.mpg.de/person/talexiadis) for her help with the AMT perceptual study. | |
| Here are some great resources we benefit from: | |
| - [ICON](https://github.com/YuliangXiu/ICON) for SMPL-X Body Fitting | |
| - [BiNI](https://github.com/hoshino042/bilateral_normal_integration) for Bilateral Normal Integration | |
| - [MonoPortDataset](https://github.com/Project-Splinter/MonoPortDataset) for Data Processing, [MonoPort](https://github.com/Project-Splinter/MonoPort) for fast implicit surface query | |
| - [rembg](https://github.com/danielgatis/rembg) for Human Segmentation | |
| - [pypoisson](https://github.com/mmolero/pypoisson) for poisson reconstruction | |
| - [MediaPipe](https://google.github.io/mediapipe/getting_started/python.html) for full-body landmark estimation | |
| - [PyTorch-NICP](https://github.com/wuhaozhe/pytorch-nicp) for non-rigid registration | |
| - [smplx](https://github.com/vchoutas/smplx), [PyMAF-X](https://www.liuyebin.com/pymaf-x/), [PIXIE](https://github.com/YadiraF/PIXIE) for Human Pose & Shape Estimation | |
| - [CAPE](https://github.com/qianlim/CAPE) and [THuman](https://github.com/ZhengZerong/DeepHuman/tree/master/THUmanDataset) for Dataset | |
| - [PyTorch3D](https://github.com/facebookresearch/pytorch3d) for Differential Rendering | |
| Some images used in the qualitative examples come from [pinterest.com](https://www.pinterest.com/). | |
| This project has received funding from the European Union鈥檚 Horizon 2020 research and innovation programme under the Marie Sk艂odowska-Curie grant agreement No.860768 ([CLIPE Project](https://www.clipe-itn.eu)). | |
| --- | |
| <br> | |
| ## License | |
| This code and model are available for non-commercial scientific research purposes as defined in the [LICENSE](LICENSE) file. By downloading and using the code and model you agree to the terms in the [LICENSE](LICENSE). | |
| ## Disclosure | |
| MJB has received research gift funds from Adobe, Intel, Nvidia, Meta/Facebook, and Amazon. MJB has financial interests in Amazon, Datagen Technologies, and Meshcapade GmbH. While MJB is a part-time employee of Meshcapade, his research was performed solely at, and funded solely by, the Max Planck Society. | |
| ## Contact | |
| For technical questions, please contact yuliang.xiu@tue.mpg.de | |
| For commercial licensing, please contact ps-licensing@tue.mpg.de | |