layerGraph in a 3D Convolution Network

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Esra Kaya
Esra Kaya 2021-1-12
评论： Amir Ebrahimi 2021-1-22
Hi, I have a problem to extract the lgraph of my 3d CNN
when I write
net=googlenet;
lgraph = layerGraph(net);
there is no problem.
But when I write
net=myCNNnet;
lgraph = layerGraph(net);
There is an error
"Error using layerGraph (line 58)
The value of 'Layers' is invalid. Layers must be an array of layers."
The analysis of the network is problem free so what seems to be the problem, could you help me?
  1 个评论
Esra Kaya
Esra Kaya 2021-1-18
The 3d CNN I have been using is the code shared ResNET-18 3d function
https://www.mathworks.com/matlabcentral/fileexchange/82585-pre-trained-3d-resnet-18
I have extracted the final graph of the network like this, so there is not a problem while replacing the layers.
lgraph = layerGraph(net.Layers);
But when I have come to the part to train the network, there is still an error, like the previous one.
netTransfer = trainNetwork(dsTrain,fdsTrain.Labels,layers,options);
Error using trainNetwork (line 170)
Layers argument must be an array of layers or a layer graph.
Please help me how can I fix this, I can't understand where the problem is?

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Amir Ebrahimi
Amir Ebrahimi 2021-1-19
Hi Esra,
The output argument of ResNET-18 3d function is a layergraph itself. so you do not need to use layerGraph function. Use the output argument of resnet18TL3Dfunction() directly for training.
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Esra Kaya
Esra Kaya 2021-1-22
I will accept the answer but, still got the same problem, I can not think of anything else to solve this.
Amir Ebrahimi
Amir Ebrahimi 2021-1-22
Send me your email address via private message. Your profile is close to receive direct messages.

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