全新的SOTA模型YOLOv9

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当今的深度学习方法专注于如何设计最合适的目标函数，以使模型的预测结果尽可能接近真实值。同时，还需要设计一个合适的架构，以便获取足够的信息进行预测。现有方法忽略了一个事实：当输入数据经过逐层的特征提取和空间变换时，会丢失大量信息。本文将深入探讨数据在深度网络中传输时数据丢失的重要问题，即信息瓶颈和可逆函数问题。我们提出了可编程梯度信息（PGI）的概念，以应对深度网络实现多个目标所需的各种变化。PGI能够为目标任务提供完整的输入信息，以计算目标函数，从而获得可靠的梯度信息以更新网络权重。此外，我们还设计了一种基于梯度路径规划的新型轻量级网络架构——广义高效层聚合网络（GELAN）。GELAN的架构证明了PGI在轻量级模型上获得了优越的结果。我们在基于MS COCO数据集的目标检测上验证了所提出的GELAN和PGI。结果显示，GELAN仅使用传统的卷积运算符就实现了比基于深度卷积的最新方法更好的参数利用率。PGI可用于从轻量级到大型的各种模型，它可以获取完整信息，使得从零开始训练的模型比使用大型数据集预训练的最新模型获得更好的结果，比较结果如图1所示。

# YOLOv9 Implementation of paper - [YOLOv9: Learning What You Want to Learn Using Programmable Gradient Information](https://arxiv.org/abs/2402.13616)

## Performance MS COCO | Model | Test Size | AP^val | AP₅₀^val | AP₇₅^val | Param. | FLOPs | | :-- | :-: | :-: | :-: | :-: | :-: | :-: | | [**YOLOv9-S**]() | 640 | **46.8%** | **63.4%** | **50.7%** | **7.2M** | **26.7G** | | [**YOLOv9-M**]() | 640 | **51.4%** | **68.1%** | **56.1%** | **20.1M** | **76.8G** | | [**YOLOv9-C**](https://github.com/WongKinYiu/yolov9/releases/download/v0.1/yolov9-c.pt) | 640 | **53.0%** | **70.2%** | **57.8%** | **25.5M** | **102.8G** | | [**YOLOv9-E**](https://github.com/WongKinYiu/yolov9/releases/download/v0.1/yolov9-e.pt) | 640 | **55.6%** | **72.8%** | **60.6%** | **58.1M** | **192.5G** | ## Installation Docker environment (recommended)

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``` shell # create the docker container, you can change the share memory size if you have more. nvidia-docker run --name yolov9 -it -v your_coco_path/:/coco/ -v your_code_path/:/yolov9 --shm-size=64g nvcr.io/nvidia/pytorch:21.11-py3 # apt install required packages apt update apt install -y zip htop screen libgl1-mesa-glx # pip install required packages pip install seaborn thop # go to code folder cd /yolov9 ```

## Evaluation [`yolov9-c.pt`](https://github.com/WongKinYiu/yolov9/releases/download/v0.1/yolov9-c.pt) [`yolov9-e.pt`](https://github.com/WongKinYiu/yolov9/releases/download/v0.1/yolov9-e.pt) [`gelan-c.pt`](https://github.com/WongKinYiu/yolov9/releases/download/v0.1/gelan-c.pt) [`gelan-e.pt`](https://github.com/WongKinYiu/yolov9/releases/download/v0.1/gelan-e.pt) ``` shell # evaluate yolov9 models python val_dual.py --data data/coco.yaml --img 640 --batch 32 --conf 0.001 --iou 0.7 --device 0 --weights './yolov9-c.pt' --save-json --name yolov9_c_640_val # evaluate gelan models # python val.py --data data/coco.yaml --img 640 --batch 32 --conf 0.001 --iou 0.7 --device 0 --weights './gelan-c.pt' --save-json --name gelan_c_640_val ``` You will get the results: ``` Average Precision (AP) @[ IoU=0.50:0.95 | area= all | maxDets=100 ] = 0.530 Average Precision (AP) @[ IoU=0.50 | area= all | maxDets=100 ] = 0.702 Average Precision (AP) @[ IoU=0.75 | area= all | maxDets=100 ] = 0.578 Average Precision (AP) @[ IoU=0.50:0.95 | area= small | maxDets=100 ] = 0.362 Average Precision (AP) @[ IoU=0.50:0.95 | area=medium | maxDets=100 ] = 0.585 Average Precision (AP) @[ IoU=0.50:0.95 | area= large | maxDets=100 ] = 0.693 Average Recall (AR) @[ IoU=0.50:0.95 | area= all | maxDets= 1 ] = 0.392 Average Recall (AR) @[ IoU=0.50:0.95 | area= all | maxDets= 10 ] = 0.652 Average Recall (AR) @[ IoU=0.50:0.95 | area= all | maxDets=100 ] = 0.702 Average Recall (AR) @[ IoU=0.50:0.95 | area= small | maxDets=100 ] = 0.541 Average Recall (AR) @[ IoU=0.50:0.95 | area=medium | maxDets=100 ] = 0.760 Average Recall (AR) @[ IoU=0.50:0.95 | area= large | maxDets=100 ] = 0.844 ``` ## Training Data preparation ``` shell bash scripts/get_coco.sh ``` * Download MS COCO dataset images ([train](http://images.cocodataset.org/zips/train2017.zip), [val](http://images.cocodataset.org/zips/val2017.zip), [test](http://images.cocodataset.org/zips/test2017.zip)) and [labels](https://github.com/WongKinYiu/yolov7/releases/download/v0.1/coco2017labels-segments.zip). If you have previously used a different version of YOLO, we strongly recommend that you delete `train2017.cache` and `val2017.cache` files, and redownload [labels](https://github.com/WongKinYiu/yolov7/releases/download/v0.1/coco2017labels-segments.zip) Single GPU training ``` shell # train yolov9 models python train_dual.py --workers 8 --device 0 --batch 16 --data data/coco.yaml --img 640 --cfg models/detect/yolov9-c.yaml --weights '' --name yolov9-c --hyp hyp.scratch-high.yaml --min-items 0 --epochs 500 --close-mosaic 15 # train gelan models # python train.py --workers 8 --device 0 --batch 32 --data data/coco.yaml --img 640 --cfg models/detect/gelan-c.yaml --weights '' --name gelan-c --hyp hyp.scratch-high.yaml --min-items 0 --epochs 500 --close-mosaic 15 ``` Multiple GPU training ``` shell # train yolov9 models python -m torch.distributed.launch --nproc_per_node 8 --master_port 9527 train_dual.py --workers 8 --device 0,1,2,3,4,5,6,7 --sync-bn --batch 128 --data data/coco.yaml --img 640 --cfg models/detect/yolov9-c.yaml --weights '' --name yolov9-c --hyp hyp.scratch-high.yaml --min-items 0 --epochs 500 --close-mosaic 15 # train gelan models # python -m torch.distributed.launch --nproc_per_node 4 --master_port 9527 train.py --workers 8 --device 0,1,2,3 --sync-bn --batch 128 --data data/coco.yaml --img 640 --cfg models/detect/gelan-c.yaml --weights '' --name gelan-c --hyp hyp.scratch-high.yaml --min-items 0 --epochs 500 --close-mosaic 15 ``` ## Re-parameterization Under construction. ## Citation ``` @article{wang2024yolov9, title={{YOLOv9}: Learning What You Want to Learn Using Programmable Gradient Information}, author={Wang, Chien-Yao and Liao, Hong-Yuan Mark}, booktitle={arXiv preprint arXiv:2402.13616}, year={2024} } ``` ``` @article{chang2023yolor, title={{YOLOR}-Based Multi-Task Learning}, author={Chang, Hung-Shuo and Wang, Chien-Yao and Wang, Richard Robert and Chou, Gene and Liao, Hong-Yuan Mark}, journal={arXiv preprint arXiv:2309.16921}, year={2023} } ``` ## Teaser Parts of code of [YOLOR-Based Multi-Task Learning](https://arxiv.org/abs/2309.16921) are released in the repository. ## Acknowledgements

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* [https://github.com/AlexeyAB/darknet](https://github.com/AlexeyAB/darknet) * [https://github.com/WongKinYiu/yolor](https://github.com/WongKinYiu/yolor) * [https://github.com/WongKinYiu/yolov7](https://github.com/WongKinYiu/yolov7) * [https://github.com/VDIGPKU/DynamicDet](https://github.com/VDIGPKU/DynamicDet) * [https://github.com/DingXiaoH/RepVGG](https://github.com/DingXiaoH/RepVGG) * [https://github.com/ultralytics/yolov5](https://github.com/ultralytics/yolov5) * [https://github.com/meituan/YOLOv6](https://github.com/meituan/YOLOv6)

全新的SOTA模型YOLOv9

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