CVPR 2021 - Official code repository for the paper: On Self-Contact and Human Pose.

Overview

selfcontact

This repo is part of our project: On Self-Contact and Human Pose.
[Project Page] [Paper] [MPI Project Page]

It includes the main function to segment the SMPL and SMPL-X meshes into inside / outside / in-contact vertices. It includes contact losses that are used with SMPLify-XMC and TUCH.

Result vertices in contact

Vertices in contact (blue) based on geodesic and euclidean distances. In this example, the geodesic threshold is 30 cm and the euclidean threshold is 2 cm. In red, detected self-intersecting vertices with segment tests.

License

Software Copyright License for non-commercial scientific research purposes. Please read carefully the following terms and conditions and any accompanying documentation before you download and/or use the TUCH data and software, (the "Data & Software"), including 3D meshes, images, videos, textures, software, scripts, and animations. By downloading and/or using the Data & Software (including downloading, cloning, installing, and any other use of the corresponding github repository), you acknowledge that you have read these terms and conditions, understand them, and agree to be bound by them. If you do not agree with these terms and conditions, you must not download and/or use the Data & Software. Any infringement of the terms of this agreement will automatically terminate your rights under this License.

Installation

1) Clone this repository

git clone [email protected]:muelea/selfcontact.git
cd selfcontact

2) Create python virtual environment and install requirements

python3 -m venv $YOUR_VENV_DIR/selfcontact
source $YOUR_VENV_DIR/selfcontact/bin/activate
pip install -r requirements.txt

To use the repo as python module, use pip install . instead and move on with step 3).

3) Download essentials

Download the essentials from here. These files are required and include for example the precomputed geodesic distances for the neutral SMPL-X and SMPL body modles. Unpack the essentions to ESSENTIALS_FOLDER

5) Run example script to test for self-intersections

# vertices in contact
python selfcontact/tutorial/find_vertices_in_contact.py --essentials_folder ESSENTIALS_FOLDER --output_folder OUPUT_FOLDER
# intersecting vertices
python selfcontact/tutorial/find_self_intersecting_vertices.py --essentials_folder ESSENTIALS_FOLDER --output_folder OUPUT_FOLDER

Result inside / outside segmentation without segment tests
Mesh with result inside / outside segmentation WITHOUT segment tests. Note, how natural intersections, e.g. in the belly or crook regions are detected.

Result inside / outside segmentation without segment tests
Mesh with result inside / outside segmentation WITH segment tests. With segment testing, these self-intersections are ignored.

Citation

@inproceedings{Mueller:CVPR:2021,
  title = {On Self-Contact and Human Pose},
  author = {M{\"u}ller, Lea and Osman, Ahmed A. A. and Tang, Siyu and Huang, Chun-Hao P. and Black, Michael J.},
  booktitle = {Proceedings IEEE/CVF Conf.~on Computer Vision and Pattern Recogßnition (CVPR)},
  month = jun,
  year = {2021},
  doi = {},
  month_numeric = {6}
}

Acknowledgement

We thank Vassilis Choutas for his implementation of the generalized winding numbers.

Contact

For questions, please contact [email protected]

For commercial licensing (and all related questions for business applications), please contact [email protected].

Owner
Lea Müller
PhD student in the Perceiving Systems Department at the Max Planck Institute for Intelligent Systems in Tübingen, Germany.
Lea Müller
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