Self-Supervised Learning with Kernel Dependence Maximization

Related tags

Deep Learningssl_hsic
Overview

Self-Supervised Learning with Kernel Dependence Maximization

This is the code for SSL-HSIC, a self-supervised learning loss proposed in the paper Self-Supervised Learning with Kernel Dependence Maximization (https://arxiv.org/abs/2106.08320).

Using this implementation should achieve a top-1 accuracy on Imagenet around 74.8% using 128 Cloud TPU v2/3.

Installation

To set up a Python3 virtual environment with the required dependencies, run:

python3 -m venv ssl_hsic_env
source ssl_hsic_env/bin/activate
pip install --upgrade pip
pip install -r ssl_hsic/requirements.txt

Usage

Pre-training

For pre-training on ImageNet with SSL-HSIC loss:

mkdir /tmp/ssl_hsic
python3 -m ssl_hsic.experiment \
--config=ssl_hsic/config.py:default \
--jaxline_mode=train

This is going to pre-train for 1000 epochs. Change config to config.py:test for testing purpose. See jaxline documentation for more information on jaxline_mode.

If save_dir is provided in config.py, the last checkpoint is saved and can be used for evaluation.

Linear Evaluation

For linear evaluation with the saved checkpoint:

mkdir /tmp/ssl_hsic
python3 -m ssl_hsic.eval_experiment \
--config=ssl_hsic/eval_config.py:default \
--jaxline_mode=train

This is going to train a linear layer for 90 epochs. Change config to eval_config.py:test for testing.

Citing this work

If you use this code in your work, please consider referencing our work:

@inproceedings{
  li2021selfsupervised,
  title={Self-Supervised Learning with Kernel Dependence Maximization},
  author={Yazhe Li and Roman Pogodin and Danica J. Sutherland and Arthur Gretton},
  booktitle={Thirty-Fifth Conference on Neural Information Processing Systems},
  year={2021},
  url={https://openreview.net/forum?id=0HW7A5YZjq7}
}

Disclaimer

This is not an official Google product.

Owner
DeepMind
DeepMind
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