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An empirical study of spherical convolutional neural networks

Frédérick Gusset, Nathanaël Perraudin, Michaël Defferrard

The code in this repository is based on DeepSphere and contains all the experiments performed for the master thesis "An empirical study of spherical convolutional neural networks". The project was performed in the LTS2 lab at EPFL during the spring semester of 2019, under the supervision of Nathanaël Perraudin and Michaël Defferrard.

The thesis resulted in a paper published at ICLR'20.
The most up-to-date code is available at https://github.com/deepsphere/code-iclr20.

Installation

For a local installation, follow the below instructions.

  1. Clone this repository.

    git clone https://github.com/Droxef/PDMdeepsphere.git
    cd PDMdeepSphere
  2. Install the dependencies.

    pip install -r requirements.txt

    Note: if you will be working with a GPU, comment the tensorflow==1.6.0 line in requirements.txt and uncomment the tensorflow-gpu==1.6.0 line.

    Note: the code has been developed and tested with Python 3.5.

  3. Play with the Jupyter notebooks.

    jupyter notebook

Experiments

The different benchmarks are regrouped in the Experiment folder, and each has at least one notebook to rerun the experiment and reproduce the results in the report.

  1. SHREC17

  2. ModelNet40

    • demo MN40 experiment
    • analyze rotation Analyze the behaviour when adding different rotation perturbations
  3. GHCN

    • test Analyze of the dataset
    • demo GHCN diffent taks
  4. Climate

  5. Graphs

  6. Irregular pooling

License

The content of this repository is released under the terms of the MIT license.

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