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Dual Student: Breaking the Limits of the Teacher in Semi-Supervised Learning

This is the PyTorch implementation for our paper Dual Student: Breaking the Limits of the Teacher in Semi-supervised Learning. The style of code follows the official implementation of Mean Teacher (Code from their repository is inside the folder ./third_party/mean_teacher).

Updates

[May 15, 2020] Update code of 'Multiple Student for semi-supervised learning on CIFAR benchmark'.

[Mar 27, 2020] Update log storage function, which allows the log to be stored via logging.FileHandler.

[Nov 20, 2019] Update code of 'Dual Student for domain adaptation from USPS to MNIST'.

[Oct 30, 2019] Update ICCV 2019 poster.

[Sep 13, 2019] Update code of 'Dual Student for semi-supervised learning on CIFAR benchmark'.

Poster

DualStudent ICCV Poster

Preparation

This code runs on Python 3 with PyTorch 0.3.1. If you use Anaconda 3:

  1. Create a new python environment and switch to it:

    conda create -n dual_student python=3.5
    source activate dual_student
    
  2. Install PyTorch 0.3.1:

    conda install pytorch=0.3.1 torchvision cudaXX -c pytorch
    

    * Please replace ''cudaXX'' by your cuda version, e.g., ''cuda80'' for cuda 8.0.

  3. Install other dependencies:

    pip install numpy scipy pandas tqdm matplotlib
    
  4. Clone this repository by:

    git clone https://github.com/ZHKKKe/DualStudent.git
    

    * Line 258-341 in file ./dual_student.py is the code of stabilization constraint.

Experiments

Semi-Supervised Learning with Dual Student

Running on the CIFAR benchmark with 1 GPU:

  1. Switch to the project folder ./DualStudent and prepare the CIFAR dataset by following commands:

    ./third_party/data-local/bin/prepare_cifar10.sh
    ./third_party/data-local/bin/prepare_cifar100.sh
    
  2. We provide the pre-trained models for experiments CIFAR-10 with 1k labels and CIFAR-100 with 10k labels. Please download them from [link] and put them into ./checkpoints. Then, you can run:

    python -m scripts.ds_cifar10_1000l_cnn13
    python -m scripts.ds_cifar100_10000l_cnn13
    

    * Naming rule of script/model is ''[method]_[dataset]_[labels number]_[model archtecture]''.

  3. If you want to train models yourselves, please comment following two lines on scripts as:

    # 'resume'  : './checkpoints/xxx',
    # 'validation': True,
    

    Then, you can run:

    python -m scripts.ds_cifar10_1000l_cnn13
    python -m scripts.ds_cifar100_10000l_cnn13
    

Please use python dual_student.py --help to check command line arguments.

Domain Adaptation with Dual Student

In our paper, we also provide the result of USPS -> MNIST domain adaptation task. You can train the network to reproduce our result (or you can download the pre-trained model from [link] for validation):

  1. Download USPS dataset from [link] and decompress it into ./third_party/data-local/workdir/usps.

  2. Prepare USPS dataset and MNIST dataset by following commands:

    ./third_party/data-local/bin/prepare_usps.sh
    ./third_party/data-local/bin/prepare_mnist.sh
    
  3. Reproduce our domain adaptation result by running:

    python -m scripts.ds_usps_mnist_da
    

    * Naming rule of script/model is ''[method]_[source domain]_[target domain]_da''.

Semi-Supervised Learning with Multiple Student

Running on the CIFAR benchmark with 1 GPU:

  1. We provide the pre-trained model for experiment CIFAR-10 with 1k labels. Please download it from [link] and put it into ./checkpoints. Then, you can run:

    python -m scripts.ms_cifar10_1000l_cnn13
    

    * Naming rule of script/model is ''[method]_[dataset]_[labels number]_[model archtecture]''.

  2. If you want to train models yourselves, please comment following two lines on scripts as:

    # 'resume'  : './checkpoints/xxx',
    # 'validation': True,
    

    Then, you can run:

    python -m scripts.ms_cifar10_1000l_cnn13
    

Citation

If you use our method or code in your research, please cite:

@InProceedings{Ke_2019_ICCV,
  author = {Ke, Zhanghan and Wang, Daoye and Yan, Qiong and Ren, Jimmy and Lau, Rynson W.H.},
  title = {Dual Student: Breaking the Limits of the Teacher in Semi-Supervised Learning},
  booktitle = {The IEEE International Conference on Computer Vision (ICCV)},
  month = {October},
  year = {2019}
}

Contact

If you have any questions, please free to contact me by kezhanghan@outlook.com.

About

Code for Paper ''Dual Student: Breaking the Limits of the Teacher in Semi-Supervised Learning'' [ICCV 2019]

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