Deep Network Designer

Edit and build deep learning networks

Description

The Deep Network Designer app lets you build, visualize, and edit deep learning networks. Using this app, you can:

• Import pretrained networks and edit them for transfer learning.

• Import and edit networks and build new networks.

• Drag and drop to add new layers and create new connections.

• View and edit layer properties.

• Analyze the network to ensure you define the architecture correctly, and detect problems before training.

• Generate MATLAB^® code.

After you finish designing a network, you can export it to the workspace, where you can save or train the network.

Open the Deep Network Designer App

• MATLAB Toolstrip: On the Apps tab, under Machine Learning and Deep Learning, click the app icon.

• MATLAB command prompt: Enter deepNetworkDesigner.

Examples

Import Pretrained Network

Examine a simple pretrained network in the Deep Network Designer app.

Load a simple pretrained network. If you need to download the network, then the software provides a download link.

net = squeezenet

Open Deep Network Designer.

deepNetworkDesigner

In the File section, click Import and choose the network to load from the workspace.

Use the plot to explore and visualize the network.

For a list of available networks and how to compare them, see Pretrained Deep Neural Networks.

Edit Pretrained Network for Transfer Learning

Prepare a network for transfer learning by editing it in the Deep Network Designer app.

Load a pretrained network. If you need to download the network, then the software provides a download link.

net = googlenet

Open Deep Network Designer.

deepNetworkDesigner

In the File section, click Import and choose the network to load from the workspace. Use the plot to explore and visualize the network.

Edit the network to specify a new number of classes in your data. Drag a new fully connected layer onto the canvas and set the OutputSize property to a new number of classes. Delete the last fully connected layer and connect your new layer instead.

Delete the classification output layer. Then, drag a new classification output layer onto the canvas and connect it instead. The output layer auto settings will learn the number of classes during training.

To check that the network is ready for training, click Analyze in the Analysis section.

Return to Deep Network Designer. To export the network to the workspace for training, in the Export section, click Export.

For more information, see Transfer Learning with Deep Network Designer.

Get Help on Layer Properties

For help understanding and editing layer properties, consult the layer pages.

To find definitions and help on all layer properties, click the layer name in the table List of Deep Learning Layers.

In the app, click layers to view and edit properties.

Generate MATLAB Code

To recreate the network layers you create in the Deep Network Designer app, generate MATLAB code.

In the app, in the Export section, select Export > Generate Code.

Alternatively, you can recreate your network including any learnable parameters by selecting Export > Generate Code with Pretrained Parameters.

Run the script to recreate the network layers.

For more information, see Generate MATLAB Code from Deep Network Designer.

Related Examples

• Transfer Learning with Deep Network Designer
• Build Networks with Deep Network Designer
• Generate MATLAB Code from Deep Network Designer
• List of Deep Learning Layers