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PlaneTR: Structure-Guided Transformers for 3D Plane Recovery

This is the official implementation of our ICCV 2021 paper

News

  • 2021.08.08: The visualization code is available now. You can find it in 'disp.py'. A simple example of how to visualize the results is showed in 'eval_planeTR.py'.

TODO

  • Supplement 2D/3D visualization code.

Getting Started

Clone the repository:

git clone https://github.com/IceTTTb/PlaneTR3D.git

We use Python 3.6 and PyTorch 1.6.0 in our implementation, please install dependencies:

conda create -n planeTR python=3.6
conda activate planeTR
conda install pytorch=1.6.0 torchvision=0.7.0 torchaudio cudatoolkit=10.2 -c pytorch
pip install -r requirements.txt

Data Preparation

We train and test our network on the plane dataset created by PlaneNet. We follow PlaneAE to convert the .tfrecords to .npz files. Please refer to PlaneAE for more details.

We generate line segments using the state-of-the-art line segment detection algorithm HAWP with their pretrained model. The processed line segments data we used can be downloaded here.

The structure of the data folder should be

plane_data/
  --train/*.npz
  --train_img/*
  --val/*.npz
  --val_img/*
  --train.txt
  --val.txt

Training

Download the pretrained model of HRNet and place it under the 'ckpts/' folder.

Change the 'root_dir' in config files to the path where you save the data.

Run the following command to train our network on one GPU:

CUDA_VISIBLE_DEVICES=0 python train_planeTR.py

Run the following command to train our network on multiple GPUs:

CUDA_VISIBLE_DEVICES=0,1,2 python -m torch.distributed.launch --nproc_per_node=3 --master_port 295025 train_planeTR.py

Evaluation

Download the pretrained model here and place it under the 'ckpts/' folder.

Change the 'resume_dir' in 'config_planeTR_eval.yaml' to the path where you save the weight file.

Change the 'root_dir' in config files to the path where you save the data.

Run the following command to evaluate the performance:

CUDA_VISIBLE_DEVICES=0 python eval_planeTR.py

Citations

If you find our work useful in your research, please consider citing:

@inproceedings{tan2021planeTR,
title={PlaneTR: Structure-Guided Transformers for 3D Plane Recovery},
author={Tan, Bin and Xue, Nan and Bai, Song and Wu, Tianfu and Xia, Gui-Song},
booktitle = {International Conference on Computer Vision},
year={2021}
}

Contact

tanbin@whu.edu.cn

https://xuenan.net/

Acknowledgements

We thank the authors of PlaneAE, PlaneRCNN, interplane and DETR. Our implementation is heavily built upon their codes.

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[ICCV'21] PlaneTR: Structure-Guided Transformers for 3D Plane Recovery

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