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Official code for ICCV 2023 paper "EigenPlaces: Training Viewpoint Robust Models for Visual Place Recognition"

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EigenPlaces: Training Viewpoint Robust Models for Visual Place Recognition

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This is the official pyTorch implementation of the ICCV 2023 paper "EigenPlaces: Training Viewpoint Robust Models for Visual Place Recognition". The paper presents a new training method which aims at providing samples from multiple viewpoints to the model, to make it robust to camera viewpoint changes. It achieves SOTA on any dataset with large viewpoint shifts between query images and database.

For the paper we also released a codebase to reproduce results with all other baselines (NetVLAD, SFRS, Conv-AP, CosPlace, MixVPR) in order to have a standardized and fair evaluation framework at https://github.com/gmberton/VPR-methods-evaluation

[ICCV 2023 Open Access] [ArXiv] [BibTex]

Train

Training is performed on the SF-XL dataset, which you can download from here. Make sure to download the training panoramas, which EigenPlaces takes as input and automatically crops with the required orientation. After downloading the SF-XL dataset, simply run

$ python3 train.py --train_dataset_folder path/to/sf_xl/raw/train/panoramas --val_dataset_folder path/to/sf_xl/processed/val --test_dataset_folder path/to/sf_xl/processed/test

the script automatically splits SF-XL in CosPlace Groups, and saves the resulting object in the folder cache. By default training is performed with a ResNet-18 with descriptors dimensionality 512 and AMP, which uses less than 8GB of VRAM.

To change the backbone or the output descriptors dimensionality simply run something like this

$ python3 train.py --backbone ResNet50 --fc_output_dim 128

Run $ python3 train.py -h to have a look at all the hyperparameters that you can change. You will find all hyperparameters mentioned in the paper.

Test

You can test one of our trained models as such (downloads the model from torch.hub)

$ python3 eval.py --backbone ResNet50 --fc_output_dim 2048 --resume_model torchhub

or a model trained by you like this

$ python3 eval.py --backbone ResNet50 --fc_output_dim 2048 --resume_model path/to/best_model.pth

Trained Models

We have all our trained models on PyTorch Hub, so that you can use them in any codebase without cloning this repository simply like this

import torch
model = torch.hub.load("gmberton/eigenplaces", "get_trained_model", backbone="ResNet50", fc_output_dim=2048)

Available trained models are ResNet18 (with output dim 256 or 512), ResNet50 (output dim 128, 256, 512 or 2048), ResNet101 (output dim 128, 256, 512 or 2048) and VGG16 (output dim 512).

Acknowledgements

Parts of this repo are inspired by the following repositories:

Cite

Here is the bibtex to cite our paper

@inproceedings{Berton_2023_EigenPlaces,
  title={EigenPlaces: Training Viewpoint Robust Models for Visual Place Recognition},
  author={Berton, Gabriele and Trivigno, Gabriele and Caputo, Barbara and Masone, Carlo},
  booktitle={Proceedings of the IEEE/CVF International Conference on Computer Vision (ICCV)},
  year={2023},
  month={October},
  pages={11080-11090}
}

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Official code for ICCV 2023 paper "EigenPlaces: Training Viewpoint Robust Models for Visual Place Recognition"

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