TPH-YOLOv5

This repo is the implementation of “TPH-YOLOv5: Improved YOLOv5 Based on Transformer Prediction Head for Object Detection on Drone-Captured Scenarios” and “TPH-YOLOv5++: Boosting Object Detection on Drone-Captured Scenarios with Cross-Layer Asymmetric Transformer”.
On VisDrone Challenge 2021, TPH-YOLOv5 wins 4th place and achieves well-matched results with 1st place model.
You can get VisDrone-DET2021: The Vision Meets Drone Object Detection Challenge Results for more information. The TPH-YOLOv5++, as an improved version, significantly improves inference efficiency and reduces computational costs while maintaining detection performance compared to TPH-YOLOv5.

Install

$ git clone https://github.com/cv516Buaa/tph-yolov5
$ cd tph-yolov5
$ pip install -r requirements.txt

Convert labels

VisDrone2YOLO_lable.py transfer VisDrone annotiations to yolo labels.
You should set the path of VisDrone dataset in VisDrone2YOLO_lable.py first.

$ python VisDrone2YOLO_lable.py

Inference

Datasets : VisDrone, UAVDT
Weights (PyTorch v1.10):
- yolov5l-xs-1.pt: | Baidu Drive(pw: vibe). | Google Drive |
- yolov5l-xs-2.pt: | Baidu Drive(pw: vffz). | Google Drive |

val.py runs inference on VisDrone2019-DET-val, using weights trained with TPH-YOLOv5.
(We provide two weights trained by two different models based on YOLOv5l.)

$ python val.py --weights ./weights/yolov5l-xs-1.pt --img 1996 --data ./data/VisDrone.yaml
                                    yolov5l-xs-2.pt
--augment --save-txt  --save-conf --task val --batch-size 8 --verbose --name v5l-xs

Inference on UAVDT is similar and results of TPH-YOLOv5++ on UAVDT are as follow:

Ensemble

If you inference dataset with different models, then you can ensemble the result by weighted boxes fusion using wbf.py.
You should set img path and txt path in wbf.py.

$ python wbf.py

Train

train.py allows you to train new model from strach.

$ python train.py --img 1536 --adam --batch 4 --epochs 80 --data ./data/VisDrone.yaml --weights yolov5l.pt --hy data/hyps/hyp.VisDrone.yaml --cfg models/yolov5l-xs-tph.yaml --name v5l-xs-tph
$ python train.py --img 1536 --adam --batch 4 --epochs 80 --data ./data/VisDrone.yaml --weights yolov5l.pt --hy data/hyps/hyp.VisDrone.yaml --cfg models/yolov5l-tph-plus.yaml --name v5l-tph-plus

Description of TPH-YOLOv5, TPH-YOLOv5++ and citations

If you have any question, please discuss with me by sending email to lyushuchang@buaa.edu.cn or liubinghao@buaa.edu.cn
If you find this code useful please cite:

@InProceedings{Zhu_2021_ICCV,
    author    = {Zhu, Xingkui and Lyu, Shuchang and Wang, Xu and Zhao, Qi},
    title     = {TPH-YOLOv5: Improved YOLOv5 Based on Transformer Prediction Head for Object Detection on Drone-Captured Scenarios},
    booktitle = {Proceedings of the IEEE/CVF International Conference on Computer Vision (ICCV) Workshops},
    month     = {October},
    year      = {2021},
    pages     = {2778-2788}
}

@Article{rs15061687,
   AUTHOR = {Zhao, Qi and Liu, Binghao and Lyu, Shuchang and Wang, Chunlei and Zhang, Hong},
   TITLE = {TPH-YOLOv5++: Boosting Object Detection on Drone-Captured Scenarios with Cross-Layer Asymmetric Transformer},
   JOURNAL = {Remote Sensing},
   VOLUME = {15},
   YEAR = {2023},
   NUMBER = {6},
   ARTICLE-NUMBER = {1687},
   URL = {https://www.mdpi.com/2072-4292/15/6/1687},
   ISSN = {2072-4292},
   DOI = {10.3390/rs15061687}
}

References

Thanks to their great works

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