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Pytorch Code for ICLR19 paper: Learning to Propagate Labels: Transductive Propagation Network for Few-shot Learning.

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.gitignore
cmd.txt
dataset_mini.py
dataset_tiered.py
models.py
README.md
test.py
train.py

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# Transductive Propagation Network
Pytorch Code for ICLR19 paper
*Learning to Propagate Labels: Transductive Propagation Network for Few-shot Learning.* [pdf](https://openreview.net/pdf?id=SyVuRiC5K7)

## Requirements
* Python 3.5
* Pytorch 0.4+
* tqdm

## Data Download (miniImagenet and tieredImagenet)
Please download the compressed tar files from: https://github.com/renmengye/few-shot-ssl-public

```
mkdir -p data/miniImagenet/data
tar -zxvf mini-imagenet.tar.gz
mv *.pkl data/miniImagenet/data

mkdir -p data/tieredImagenet/data
tar -xvf tiered-imagenet.tar
mv *.pkl data/tieredImagenet/data

```

## TPN mini-5way1shot
```
python train.py --gpu=0 --n_way=5 --n_shot=1 --n_test_way=5 --n_test_shot=1 --lr=0.001 --step_size=10000 --dataset=mini --exp_name=mini_TPN_5w1s_5tw1ts_rn300_k20 --rn=300 --alpha=0.99 --k=20
```

```
python test.py --gpu=0 --n_way=5 --n_shot=1 --n_test_way=5 --n_test_shot=1 --lr=0.001 --step_size=10000 --dataset=mini --exp_name=mini_TPN_5w1s_5tw1ts_rn300_k20 --rn=300 --alpha=0.99 --k=20 --iters=81500
```

## TPN mini-5way5shot
```
python train.py --gpu=0 --n_way=5 --n_shot=5 --n_test_way=5 --n_test_shot=5 --lr=0.001 --step_size=10000 --dataset=mini --exp_name=mini_TPN_5w5s_5tw5ts_rn300_k20 --rn=300 --alpha=0.99 --k=20
```

```
python test.py --gpu=0 --n_way=5 --n_shot=5 --n_test_way=5 --n_test_shot=5 --lr=0.001 --step_size=10000 --dataset=mini --exp_name=mini_TPN_5w5s_5tw5ts_rn300_k20 --rn=300 --alpha=0.99 --k=20 --iters=50100

```

## TPN tiered-5way1shot
```
python train.py --gpu=0 --n_way=5 --n_shot=1 --n_test_way=5 --n_test_shot=1 --lr=0.001 --step_size=25000 --dataset=tiered --exp_name=tiered_TPN_5w1s_5tw1ts_rn300_k20 --rn=300 --alpha=0.99 --k=20
```

## TPN tiered-5way5shot
```
python train.py --gpu=0 --n_way=5 --n_shot=5 --n_test_way=5 --n_test_shot=5 --lr=0.001 --step_size=25000 --dataset=tiered --exp_name=tiered_TPN_5w5s_5tw5ts_rn300_k20 --rn=300 --alpha=0.99 --k=20
```

## Citation
If you use our code, please consider cite the following:
* Yanbin Liu, Juho Lee, Minseop Park, Saehoon Kim, Eunho Yang, Sungju Hwang, Yi Yang. 
Learning to Propagate Labels: Transductive Propagation Network for Few-shot Learning.
In *Proceedings of 7th International Conference on Learning Representations (ICLR)*, 2019.

```

@inproceedings{liu2019fewTPN,
	title={Learning to Propagate Labels: Transductive Propagation Network for Few-shot Learning},
  	author={Liu, Yanbin and Lee, Juho and Park, Minseop and Kim, Saehoon and Yang, Eunho and Hwang, Sung Ju and Yang, Yi},
	booktitle={International Conference on Learning Representations},
	year={2019},
}

```

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