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Code for the paper "Minimal-Entropy Correlation Alignment for Unsupervised Deep Domain Adaptation", ICLR 2018

License: MIT License

Shell 4.43% Python 95.57%

minimal-entropy-correlation-alignment's Introduction

Minimal-Entropy Correlation Alignment for Unsupervised Deep Domain Adaptation

In this work, we face the problem of unsupervised domain adaptation by leveraging our finding that entropy minimization is induced by the optimal alignment of second order statistics between source and target domains. Aiming at achieving an optimal alignment in practical cases, we adopt a more principled strategy which, differently from current Euclidean approaches, deploys correlation alignment along geodesics. Our pipeline can be implemented by adding to the standard classification loss (on the labeled source domain), a source-to-target regularizer that is weighted in an unsupervised fashion.

geo

Reference

If you use this code as part of any published research, please acknowledge the following paper:

"Minimal-Entropy Correlation Alignment for Unsupervised Deep Domain Adaptation"
Pietro Morerio, Jacopo Cavazza and Vittorio Murino
International Conference on Learning Representations (ICLR), 2018
PDF

  @article{
  morerio2018minimalentropy,
  title={Minimal-Entropy Correlation Alignment for Unsupervised Deep Domain Adaptation},
  author={Pietro Morerio, Jacopo Cavazza, Vittorio Murino},
  journal={International Conference on Learning Representations},
  year={2018},
  url={https://openreview.net/forum?id=rJWechg0Z},
  }

Code

Each sub-folder (...in progress...) is named after the adaptation problem analyzed and equipped with its own README. The provided code runs with Python 2.7 (should run with Python 3 as well, not tested). For the installation of tensorflow-gpu please refer to the website.

The following command should install the main dependencies on most Linux (Ubuntu) machines

sudo apt-get install python-dev python-pip && sudo pip install -r requirements.txt

Image samples

Left to rigth: SVHN, SYN, NYUD RGB, NYUD DEPTH (HHA), MNIST. images

License

This repository is released under the MIT LICENSE.

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