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How would I call individual layers of the network? yolov5 #4575
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👋 Hello @Sarkanyhazy, thank you for your interest in YOLOv5 🚀! Please visit our ⭐️ Tutorials to get started, where you can find quickstart guides for simple tasks like Custom Data Training all the way to advanced concepts like Hyperparameter Evolution. If this is a 🐛 Bug Report, please provide screenshots and minimum viable code to reproduce your issue, otherwise we can not help you. If this is a custom training ❓ Question, please provide as much information as possible, including dataset images, training logs, screenshots, and a public link to online W&B logging if available. For business inquiries or professional support requests please visit https://ultralytics.com or email Glenn Jocher at glenn.jocher@ultralytics.com. RequirementsPython>=3.6.0 with all requirements.txt installed including PyTorch>=1.7. To get started: $ git clone https://github.com/ultralytics/yolov5
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@Sarkanyhazy you can select any layer by indexing import torch
model = torch.hub.load('ultralytics/yolov5','yolov5s', autoshape=False)
model.model[0]
Out[5]:
Focus(
(conv): Conv(
(conv): Conv2d(12, 32, kernel_size=(3, 3), stride=(1, 1), padding=(1, 1))
(act): SiLU(inplace=True)
)
) |
Thanks for your help Glenn! |
Hi, |
@phanisai22 did you solve this? @Sarkanyhazy how did you solved this in total with gradcam? |
@glenn-jocher this should be: But this still gives me an error:
|
@Michelvl92 your error is unrelated to YOLOv5. i.e. https://discuss.pytorch.org/t/runtimeerror-element-0-of-variables-does-not-require-grad-and-does-not-have-a-grad-fn/11074 |
I got it to work by indexing model 4 times model = torch.hub.load(repo_or_dir=ROOT, model="custom", source='local', path=weights) #.to(device)
#summary(model, input_size=(1, 3, 416, 416), depth=5, verbose=1)
print(model.model.model.model[:10]) |
Hi,
I would like to use the last convolutional layer for gradcam visualizations, but I am not sure how to call the layer.
I can list them using this code I found in another issue, but thats as far as I get.
Output looks like this:
![image](https://user-images.githubusercontent.com/24868118/131220856-8470f60e-cd2b-47a0-a6c2-8782bc613a63.png)
Ideally, I would wanna be able to select the layer so as to use as part of this code:
![image](https://user-images.githubusercontent.com/24868118/131220885-667ac0cc-ac57-4319-afb2-6fe0cab7fa7c.png)
Where, instead of resnet I would call yolov54 (snippet above), and select the last convolutional layer for visualization.
Hopefully this is feasible. Advices are appriciated.
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