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SlotFormer

SlotFormer: Unsupervised Visual Dynamics Simulation with Object-Centric Models
Ziyi Wu, Nikita Dvornik, Klaus Greff, Thomas Kipf, Animesh Garg
ICLR'23 | GitHub | arXiv | Project page

Ground-Truth        Our Prediction Ground-Truth        Our Prediction
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Introduction

This is the official PyTorch implementation for paper: SlotFormer: Unsupervised Visual Dynamics Simulation with Object-Centric Models, which is accepted by ICLR 2023. The code contains:

  • Training base object-centric slot models
  • Video prediction task on OBJ3D and CLEVRER
  • VQA task on CLEVRER
  • VQA task on Physion
  • Planning task on PHYRE

Update

  • 2023.9.20: BC-breaking change! We fix an error in the mIoU calculation code. This won't change the order of benchmarked methods, but will change their absolute values. See this PR for more details. Please re-run the evaluation code on your trained models to get the correct results. The updated mIoU of SlotFormer on CLEVRER is 49.42 (using the provided pre-trained weight)
  • 2023.1.20: The paper is accepted by ICLR 2023!
  • 2022.10.26: Support Physion VQA task and PHYRE planning task
  • 2022.10.16: Initial code release!
    • Support base object-centric model training
    • Support SlotFormer training
    • Support evaluation on the video prediction task
    • Support evaluation on the CLEVRER VQA task

Installation

Please refer to install.md for step-by-step guidance on how to install the packages.

Experiments

This codebase is tailored to Slurm GPU clusters with preemption mechanism. For the configs, we mainly use RTX6000 with 24GB memory (though many experiments don't require so much memory). Please modify the code accordingly if you are using other hardware settings:

  • Please go through scripts/train.py and change the fields marked by TODO:
  • Please read the config file for the model you want to train. We use DDP with multiple GPUs to accelerate training. You can use less GPUs to achieve a better memory-speed trade-off

Dataset Preparation

Please refer to data.md for steps to download and pre-process each dataset.

Reproduce Results

Please see benchmark.md for detailed instructions on how to reproduce our results in the paper.

Citation

Please cite our paper if you find it useful in your research:

@article{wu2022slotformer,
  title={SlotFormer: Unsupervised Visual Dynamics Simulation with Object-Centric Models},
  author={Wu, Ziyi and Dvornik, Nikita and Greff, Klaus and Kipf, Thomas and Garg, Animesh},
  journal={arXiv preprint arXiv:2210.05861},
  year={2022}
}

Acknowledgement

We thank the authors of Slot-Attention, slot_attention.pytorch, SAVi, RPIN and Aloe for opening source their wonderful works.

License

SlotFormer is released under the MIT License. See the LICENSE file for more details.

Contact

If you have any questions about the code, please contact Ziyi Wu dazitu616@gmail.com