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densenet201

DenseNet-201 convolutional neural network

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  • DenseNet-201 network architecture

Syntax

net = densenet201
net = densenet201('Weights','imagenet')
lgraph = densenet201(“权重”,“没有一个”)

Description

DenseNet-201 is a convolutional neural network that is 201 layers deep. You can load a pretrained version of the network trained on more than a million images from the ImageNet database[1]. The pretrained network can classify images into 1000 object categories, such as keyboard, mouse, pencil, and many animals. As a result, the network has learned rich feature representations for a wide range of images. The network has an image input size of 224-by-224. For more pretrained networks in MATLAB®, seePretrained Deep Neural Networks.

You can useclassifyto classify new images using the DenseNet-201 model. Follow the steps ofClassify Image Using GoogLeNetand replace GoogLeNet with DenseNet-201.

To retrain the network on a new classification task, follow the steps ofTrain Deep Learning Network to Classify New Imagesand load DenseNet-201 instead of GoogLeNet.

example

net= densenet201returns a DenseNet-201 network trained on the ImageNet data set.

This function requires the Deep Learning Toolbox™ Model for DenseNet-201 Network support package. If this support package is not installed, then the function provides a download link.

net= densenet201('Weights','imagenet')returns a DenseNet-201 network trained on the ImageNet data set. This syntax is equivalent tonet = densenet201.

lgraph= densenet201('Weights','none')returns the untrained DenseNet-201 network architecture. The untrained model does not require the support package.

Examples

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Download and install the Deep Learning Toolbox Modelfor DenseNet-201 Networksupport package.

Typedensenet201at the command line.

densenet201

If the Deep Learning Toolbox Modelfor DenseNet-201 Networksupport package is not installed, then the function provides a link to the required support package in the Add-On Explorer. To install the support package, click the link, and then clickInstall. Check that the installation is successful by typingdensenet201at the command line. If the required support package is installed, then the function returns aDAGNetworkobject.

densenet201
ans = DAGNetwork with properties: Layers: [709×1 nnet.cnn.layer.Layer] Connections: [806×2 table]

Visualize the network using Deep Network Designer.

deepNetworkDesigner(densenet201)

Explore other pretrained networks in Deep Network Designer by clickingNew.

Deep Network Designer start page showing available pretrained networks

If you need to download a network, pause on the desired network and clickInstallto open the Add-On Explorer.

Output Arguments

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Pretrained DenseNet-201 convolutional neural network, returned as aDAGNetworkobject.

Untrained DenseNet-201 convolutional neural network architecture, returned as aLayerGraphobject.

References

[1]ImageNet. http://www.image-net.org

[2] Huang, Gao, Zhuang Liu, Laurens Van Der Maaten, and Kilian Q. Weinberger. "Densely Connected Convolutional Networks." InCVPR, vol. 1, no. 2, p. 3. 2017.

Extended Capabilities

版本嗨story

Introduced in R2018a

See Also

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