Comments (7)
@Yii-maker I also tried to run the code on Shanghai pretrained features and I got ~89% AUC . Did you obtain the same score ?
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@Yii-maker I also tried to run the code on Shanghai pretrained features and I got ~89% AUC . Did you obtain the same scor
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Hi. The checkpoint is selected based on the highest AUC, following the previous anomaly detection papers.
I did not apply any mechanism other than the code in this repository. With I3D you should get around 96.XX - 97.XX based on different random seeds. With C3D, you should get around 90.XX - 91.XX AUC.
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Hi @tianyu0207 thank you for your reply. I rerun your code with different random seeds (using your I3D features) but test AUC always converges around 90%. I tried to visualize the training loss and i noticed the total loss (cost term in the code) increases after some epochs. I tried to decompose the loss terms and it seems to me that the increase is due to the margin loss (um_loss term in the code) (in the plot I tried a few configurations with the default being yours implemented in the code, and only for visualization purpose I did not multiply by alpha) :
Did you encounter the same problem ? If so how did you manage to get a decreasing training loss ? Do I need to change any of the hyperparameters to get around 97% AUC ? Thanks !
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@KhalilBergaoui Have you got 96-97% AUC, I have tried the same code using I3D features given in the Readme but got only 92% AUC.
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@KhalilBergaoui Have you got 96-97% AUC, I have tried the same code using I3D features given in the Readme but got only 92% AUC.
I got 94% AUC and I can't get 96-97% AUC.
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@KhalilBergaoui Have you got 96-97% AUC, I have tried the same code using I3D features given in the Readme but got only 92% AUC.
I got 94% AUC and I can't get 96-97% AUC.
I got around 95.7% AUC using I3D features of SHT.
epoch: 4575
0.956566358955364
And I can't get AUC above 97%.
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Related Issues (20)
- some questions about extracting I3D features
- xd-violence
- How to implement inference code? HOT 1
- Where do I find dir test_frame_mask, or make it? HOT 1
- how to make ground truth file and list file for shanghai tech dataset
- UCSD-Ped2 实验设置
- Custom .mat files HOT 3
- Can not reproduce the provided I3D features extracted from UCF-Crime on RTFM Github
- The UCF-Crime checkpoints link is disabled HOT 2
- Only ShanghaiTech features and checkpoint for ShanghaiTech can be used in the link
- UCF-Crime train I3d features on Google drive 下载失败—已被禁止 HOT 1
- Feature extraction results did not meet expectations
- feature extraction
- Results can't be reproduce for Sanghaitech
- Feature Extraction
- Generation of MatLab Labels
- AUC for UCF-Crime is Too low and Can't reproducible. HOT 1
- Can't download UCF_Crime test dataset
- 怎么生成ucf-i3d.list和ucf-i3d-test.list?
- checkpoints for UCF-Crime and XD-Violence datasets
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