Connect fully connected layer to a convolution layer?

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Kittel Le 2019-3-11

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https://ww2.mathworks.cn/matlabcentral/answers/449378-connect-fully-connected-layer-to-a-convolution-layer

评论： Ben Hinkle 2025-11-6

When building a CNN network for image reconstruction with fully connected layer followed by convolution layers, I found that the output of fully connected layer is always a vector. If I want fully connected layer to be followed by a 2D convolution layer, is there any intermediate layer to reshape the data transferred in between two layers, either on output of fully connected layer or input of convolution layers?

Thanks.

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Answer 1

Uttiya Ghosh 2020-6-18

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https://ww2.mathworks.cn/matlabcentral/answers/449378-connect-fully-connected-layer-to-a-convolution-layer#answer_453405

Hi Kittel,

From my understanding, you want to introduce a reshape layer between your fully connected layer and 2D convolution layer. There is no reshape layer in MATLAB. As a workaround you can always create a custom layer.

For more information, refer to the following links.

https://www.mathworks.com/matlabcentral/answers/461988-reshape-layer-in-deep-learning#accepted_answer_376083

https://www.mathworks.com/help/deeplearning/ug/list-of-deep-learning-layers.html