EventVLAD

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codebase for the 2021 IROS paper "EventVLAD: Visual Place Recognition with Reconstructed Edges from Event Cameras"

EventVLAD 최신버젼 다운로드

최종 버전 다운로드 (.zip)

// repository documentation

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## EventVLAD (IROS 2021)

This repo contains codebase for our paper presented in IROS 2021 [[pdf](https://ieeexplore.ieee.org/document/9635907)],

"EventVLAD: Visual place recognition with reconstructed edges from event cameras".

### Pretrained weights

- Denoiser
  
We provide pretrained weights and a minimal example for event-based denoiser used in our module. You may use the processed outputs from our event denoiser to other VPR pipelines such as [NetVLAD](https://github.com/Nanne/pytorch-NetVlad).

(carla-pretrained)
https://drive.google.com/file/d/1D1tHHSRd-2iVfD4GuEz0jHDlh7evkzf6/view?usp=sharing

(brisbane-pretrained)
https://drive.google.com/file/d/1xdoGI7vmNelaR_D9-FUk5SbB3webqa5c/view?usp=sharing

- Encoder

The pretrained VGG16 encoder weight for event-based place recognition can be downloaded from:

https://drive.google.com/file/d/1rSIhH1pk8ADxfqYQXoos_hTuWyfiWSu3/view?usp=sharing

### Run your example

- Preprocess ViViD, create event frames
  
```python process_img.py seqname dst_folder```

Running the above sample with the downloaded bagfile, will create a directory (dst_folder) and save images / gps coord.
  
```python process_dvs.py seqname path_prefix```
  
  Running the above sample with the preprocessed image directory and bagfile, will create a set of event images based using parameters (5ms, 1% threshold).

- Event denoiser
  
```python denoise_sample.py```

Running the above sample requires a consequent three event-generated frame images (in our sample case, we provided event-image consisted with events during 1.6ms for each frames). The samples are located under 'samples' folder.

As a result, you will see the groundtruth (generated from ideal camera in simulation), noisy events from simple accumulation, and the results of denoising module, respectively.

![result sample](https://raw.githubusercontent.com/alexjunholee/EventVLAD/main/sample/result.png)

### bibtex:

```
@inproceedings{lee2021eventvlad,
  title={EventVLAD: Visual place recognition with reconstructed edges from event cameras},
  author={Lee, Alex Junho and Kim, Ayoung},
  booktitle={2021 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)},
  pages={2247--2252},
  year={2021},
  organization={IEEE}
}
```

EventVLAD

EventVLAD 최신버젼 다운로드

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EventVLAD

EventVLAD 최신버젼 다운로드

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