STDEN

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Pytorch implementation of Spatoi-temporal Differential Equation Network (STDEN).

STDEN 최신버젼 다운로드

최종 버전 다운로드 (.zip)

// repository documentation

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# Spatio-Temporal Differential Equation Network

![STDEN framework](https://github.com/Echo-Ji/STDEN/blob/main/assets/framework.jpg)

This is a Pytroch implementation of Spatio-temporal Differential Equation Network (STDEN) for physics-guided traffic flow prediction, as described in our paper:
Jiahao Ji, Jingyuan Wang, Zhe Jiang, Jiawei Jiang, and Hu Zhang, **[STDEN: Towards Physics-Guided Neural Networks for Traffic Flow Prediction](https://ojs.aaai.org/index.php/AAAI/article/view/20322)**, AAAI 2022.

The training framework of this project comes from [chnsh](https://github.com/chnsh/DCRNN_PyTorch). Thanks a lot :)

## Requirement

* scipy>=1.5.2
* numpy>=1.19.1
* pandas>=1.1.5
* pyyaml>=5.3.1
* pytorch>=1.7.1
* future>=0.18.2
* torchdiffeq>=0.2.0

Dependency can be installed using the following command:

```
pip install -r requirements.txt
```

## Model Traning and Evaluation

You can run the code by
```bash
# traning for dataset GT-221
python stden_train.py --config_filename=configs/stden_gt.yaml

# testing for dataset GT-221
python stden_eval.py --config_filename=configs/stden_gt.yaml
```
The configuration file of all datasets are as follows:

|dataset|config file|
|:--|:--|
|GT-221|stden_gt.yaml|
|WRS-393|stden_wrs.yaml|
|ZGC-564|stden_zgc.yaml|

Note the data is not public, and I am not allowed to distribute it.

## Cite

If you find the paper useful, please cite as following:

```tex
@inproceedings{ji2022stden, 
  title={{STDEN}: Towards physics-guided neural networks for traffic flow prediction}, 
  author={Ji, Jiahao and Wang, Jingyuan and Jiang, Zhe and Jiang, Jiawei and Zhang, Hu}, 
  booktitle={Proceedings of the AAAI Conference on Artificial Intelligence}, 
  year={2022}, 
  volume={36}, 
  number={4},   
  pages={4048-4056}
}
```

STDEN

STDEN 최신버젼 다운로드

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