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3D Hand Shape and Pose from Images in the Wild

Adnane Boukhayma, Rodrigo de Bem, Philip H.S. Torr. CVPR 2019 (Oral)

<img src="pipeline.png" height="200"/>

PCK curves

We provide scripts and data to plot 3D & 2D PCK curves in figures 4,5,6,7,8 of the paper in directory PCK. We use gnuplot for plotting the figures. For example:

cd PCK/dataset
./figx

where dataset is one of {stereo, egodexter, dexter+object, mpii+nzsl} and figx is one of {fig4,5,6,7,8}.

Requirements

Data preprocessing

Input images are assumed to be crops of fixed size around the hand. Using this command, we find the tightest rectangular box of edge size l containing the hand. Images are then cropped with a square patch of size 2.2xl. Input images are located in data/original and cropped images are saved in data/cropped.

python crop.py

This command generates the 2D joint heat map images used as additional input to our network. You will need to build PyOpenPose.

python heatmap.py

This command generates hand image segmentations using 2D joint locations and GrabCut.

python segment.py

Testing

Download the model weights. Put model-0.pth and model-1.pth in directory data.

https://drive.google.com/file/d/1Ar9gUuq1kpVUUOlGsuOqfeiyv2GdixS9
https://drive.google.com/file/d/135Ka6XQVcFBGTLyVu1D0dzXOcc-0XNao

Run the following command to test our method on cropped image examples in data/cropped.

python tester.py

Our resnet+Mano model is implemented in model.py.

Synthetic data creation

This command colors registered meshes in data/meshes_registered using their colored corresponding unregistered meshes in data/meshes_unregistered. Results are saved in data/meshes_colored.

python create_colored_meshes.py

Using mesh colour instances in data/meshes_colored, background images in data/backgrounds, and sampling global poses and geometries from MANO, this command creates synthetic image examples.

python create_synthetic_data.py

Citation

@inproceedings{boukhayma20193d,
  title={3d hand shape and pose from images in the wild},
  author={Boukhayma, Adnane and Bem, Rodrigo de and Torr, Philip HS},
  booktitle={Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition},
  pages={10843--10852},
  year={2019}
}

Acknowledgement

This work was supported by the ERC grant ERC-2012-AdG 321162-HELIOS, the EPSRC grant Seebibyte EP/M013774/1 and the EPSRC/MURI grant EP/N019474/1.

License

<a rel="license" href="http://creativecommons.org/licenses/by-nc/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc/4.0/">Creative Commons Attribution-NonCommercial 4.0 International License</a>.