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### Search before asking
- [X] I have searched the Ultralytics YOLO [issues](https://github.com/ultralytics/ultralytics/issues) and [discussions](https://github.com/ultralytics/ultralytics/discussi…
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Hi Guys,
I guess there is an instability in the loss function due to a division by zero. can you please confirm that?
`def bbox_iou(box1, box2, x1y1x2y2=True, GIoU=False, DIoU=False, CIoU=False…
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导儿,你用的是yolov5 5.0的版本吧,我看你代码中是将5.0源码的ciou改为giou了吗
![image](https://user-images.githubusercontent.com/109565966/230707697-6bc20eb3-38db-476e-b84f-aad18c279ceb.png)
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Hi, Thank you for your research.
I'm following your instruction to run the `predict.single_predict.py`. Howerver, I can't find the weight file '../0all-module-logs/resnet50-Epoch99-ciou-Total_train…
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[2020-10-10 00:46:31,414]-[train.py line:147]: === Epoch:[ 13/120],step:[260/377],img_size:[416],total_loss:nan|loss_ciou:nan|loss_conf:nan|loss_cls:nan|lr:0.0075
INFO:YOLOv4: === Epoch:[ 13/120],…
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It's a really nice work.But after reading your thesis, I am wondering why the results of experiment are different in two tabel.(RefCOCO PSALM, in the first table, the cIoU is 76.1, but in the second o…
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作者您好,您的这篇论文中CIoU和Cluster-NMS的组合可以用在YOLOv5中吗?我在YOLOv5中该如何将torchvision原始的NMS替换为Cluster-NMS呢?谢谢
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今天阅读您的论文,提到ciou loss中 v对h和w求偏导时的问题。
由于w和h可能会非常小,所以为避免梯度爆炸您将1/(w^2+h^2) 替换成了1。
请问这在pytorch、tf这类自动求导的框架中如何实现?
我看您的pytorch实现是增加了条件S:
```
S = (iou>0.5).float()
alpha= S*v/(1-iou+v)
```
是否能理解为,使用Io…
KoapT updated
4 years ago