How do I import 4D array input data(X_train and Y_train) into Deep network designer.

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Zezhao Chen
Zezhao Chen 2021-10-2
评论： Zezhao Chen 2021-10-5
Hi, I am doing the signal denoising using CNN and it is a regression problem... And I have converted my 1D signal data into 4D array..
I have been successfully run my CNN network using 4D array input data(X_train and Y_train) in matlab code...
But when I tried to implement CNN network in deep network designer, it was asking to use combine datastore...
So I was using the combine function to combine the X_train adn Y_train into a single datastore.. ds = combine(XTrain,YTrain); Not working...It said "Check for incorrect argument data type or missing argument in call to function 'combine'."
How do I import 4D array input data(X_train and Y_train) into Deep network designer?
Please help me, thank you...

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Srivardhan Gadila
Srivardhan Gadila 2021-10-5
First you have to convert your array data to datastores using arrayDatastore as follows:
adsXTrain = arrayDatastore(X_train);
adsYTrain = arrayDatastore(Y_train);
Then combine the above datastores using combine method:
cdsTrain = combine(adsXTrain,adsYTrain);
Now you will have the option to select either of the above datastores in the Deep Network Designer App.
Refer to the example Train Network for Time Series Forecasting Using Deep Network Designer for more information.
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Srivardhan Gadila
Srivardhan Gadila 2021-10-5
In that case create the arrayDatastore as follows:
adsXTrain = arrayDatastore(X_train,IterationDimension=4)
assuming that the size of X_train is 3000x1x1x20.
Also, I think in this scenario you can probably use featureInputLayer instead of imageInputLayer.

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