Convolutional Layers

KerasConvolution2D

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Imports a 2D Convolution layer from Keras.

KerasConvolution2D

public KerasConvolution2D(Integer kerasVersion) throws UnsupportedKerasConfigurationException 

Pass-through constructor from KerasLayer

• param kerasVersion major keras version

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getConvolution2DLayer

public ConvolutionLayer getConvolution2DLayer() 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasCropping2D

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Imports a Keras Cropping 2D layer.

KerasCropping2D

public KerasCropping2D(Map<String, Object> layerConfig)
            throws InvalidKerasConfigurationException, UnsupportedKerasConfigurationException 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration.

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getCropping2DLayer

public Cropping2D getCropping2DLayer() 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• param enforceTrainingConfig whether to enforce training-related configuration options

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasUpsampling3D

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Keras Upsampling3D layer support

KerasUpsampling3D

public KerasUpsampling3D(Map<String, Object> layerConfig)
            throws InvalidKerasConfigurationException, UnsupportedKerasConfigurationException 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration.

• throws InvalidKerasConfigurationException Invalid Keras configuration exception

• throws UnsupportedKerasConfigurationException Unsupported Keras configuration exception

getUpsampling3DLayer

public Upsampling3D getUpsampling3DLayer() 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• param enforceTrainingConfig whether to enforce training-related configuration options

• throws InvalidKerasConfigurationException Invalid Keras configuration exception

• throws UnsupportedKerasConfigurationException Invalid Keras configuration exception

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasConvolution1D

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Imports a 1D Convolution layer from Keras.

KerasConvolution1D

public KerasConvolution1D(Integer kerasVersion) throws UnsupportedKerasConfigurationException 

Pass-through constructor from KerasLayer

• param kerasVersion major keras version

• throws UnsupportedKerasConfigurationException

getConvolution1DLayer

public Convolution1DLayer getConvolution1DLayer() 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• throws InvalidKerasConfigurationException

• throws UnsupportedKerasConfigurationException

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException

getInputPreprocessor

public InputPreProcessor getInputPreprocessor(InputType... inputType) throws InvalidKerasConfigurationException 

Gets appropriate DL4J InputPreProcessor for given InputTypes.

• param inputType Array of InputTypes

• return DL4J InputPreProcessor

• throws InvalidKerasConfigurationException Invalid Keras configuration exception

• see org.deeplearning4j.nn.conf.InputPreProcessor

setWeights

public void setWeights(Map<String, INDArray> weights) throws InvalidKerasConfigurationException 

Set weights for layer.

• param weights Map from parameter name to INDArray.

KerasUpsampling1D

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Keras Upsampling1D layer support

KerasUpsampling1D

public KerasUpsampling1D(Map<String, Object> layerConfig)
            throws InvalidKerasConfigurationException, UnsupportedKerasConfigurationException 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration.

• throws InvalidKerasConfigurationException Invalid Keras configuration exception

• throws UnsupportedKerasConfigurationException Unsupported Keras configuration exception

getUpsampling1DLayer

public Upsampling1D getUpsampling1DLayer() 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• param enforceTrainingConfig whether to enforce training-related configuration options

• throws InvalidKerasConfigurationException Invalid Keras configuration exception

• throws UnsupportedKerasConfigurationException Invalid Keras configuration exception

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasAtrousConvolution2D

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Keras 1D atrous / dilated convolution layer. Note that in keras 2 this layer has been removed and dilations are now available through the “dilated” argument in regular Conv1D layers

author: Max Pumperla

KerasAtrousConvolution2D

public KerasAtrousConvolution2D(Integer kerasVersion) throws UnsupportedKerasConfigurationException 

Pass-through constructor from KerasLayer

• param kerasVersion major keras version

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getAtrousConvolution2D

public ConvolutionLayer getAtrousConvolution2D() 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasAtrousConvolution1D

[source]

Keras 1D atrous / dilated convolution layer. Note that in keras 2 this layer has been removed and dilations are now available through the “dilated” argument in regular Conv1D layers

author: Max Pumperla

KerasAtrousConvolution1D

public KerasAtrousConvolution1D(Integer kerasVersion) throws UnsupportedKerasConfigurationException 

Pass-through constructor from KerasLayer

• param kerasVersion major keras version

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getAtrousConvolution1D

public Convolution1DLayer getAtrousConvolution1D() 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasCropping3D

[source]

Imports a Keras Cropping 3D layer.

KerasCropping3D

public KerasCropping3D(Map<String, Object> layerConfig)
            throws InvalidKerasConfigurationException, UnsupportedKerasConfigurationException 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration.

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getCropping3DLayer

public Cropping3D getCropping3DLayer() 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• param enforceTrainingConfig whether to enforce training-related configuration options

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasZeroPadding2D

[source]

Imports a Keras ZeroPadding 2D layer.

KerasZeroPadding2D

public KerasZeroPadding2D(Map<String, Object> layerConfig)
                    throws InvalidKerasConfigurationException, UnsupportedKerasConfigurationException 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration.

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getZeroPadding2DLayer

public ZeroPaddingLayer getZeroPadding2DLayer() 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• param enforceTrainingConfig whether to enforce training-related configuration options

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasConvolution3D

[source]

Imports a 3D Convolution layer from Keras.

KerasConvolution3D

public KerasConvolution3D(Integer kerasVersion) throws UnsupportedKerasConfigurationException 

Pass-through constructor from KerasLayer

• param kerasVersion major keras version

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getConvolution3DLayer

public ConvolutionLayer getConvolution3DLayer() 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasDeconvolution2D

[source]

Imports a 2D Deconvolution layer from Keras.

KerasDeconvolution2D

public KerasDeconvolution2D(Integer kerasVersion) throws UnsupportedKerasConfigurationException 

Pass-through constructor from KerasLayer

• param kerasVersion major keras version

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getDeconvolution2DLayer

public Deconvolution2D getDeconvolution2DLayer() 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasZeroPadding3D

[source]

Imports a Keras ZeroPadding 3D layer.

KerasZeroPadding3D

public KerasZeroPadding3D(Map<String, Object> layerConfig)
                    throws InvalidKerasConfigurationException, UnsupportedKerasConfigurationException 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration.

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getZeroPadding3DLayer

public ZeroPadding3DLayer getZeroPadding3DLayer() 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• param enforceTrainingConfig whether to enforce training-related configuration options

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasConvolutionUtils

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Utility functionality for Keras convolution layers.

getConvolutionModeFromConfig

public static ConvolutionMode getConvolutionModeFromConfig(Map<String, Object> layerConfig,
                                                               KerasLayerConfiguration conf)
            throws InvalidKerasConfigurationException, UnsupportedKerasConfigurationException 

Get (convolution) stride from Keras layer configuration.

• param layerConfig dictionary containing Keras layer configuration

• return Strides array from Keras configuration

• throws InvalidKerasConfigurationException Invalid Keras config

KerasZeroPadding1D

[source]

Imports a Keras ZeroPadding 1D layer.

KerasZeroPadding1D

public KerasZeroPadding1D(Map<String, Object> layerConfig)
            throws InvalidKerasConfigurationException, UnsupportedKerasConfigurationException 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration.

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getZeroPadding1DLayer

public ZeroPadding1DLayer getZeroPadding1DLayer() 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• param enforceTrainingConfig whether to enforce training-related configuration options

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasCropping1D

[source]

Imports a Keras Cropping 1D layer.

KerasCropping1D

public KerasCropping1D(Map<String, Object> layerConfig)
            throws InvalidKerasConfigurationException, UnsupportedKerasConfigurationException 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration.

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getCropping1DLayer

public Cropping1D getCropping1DLayer() 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• param enforceTrainingConfig whether to enforce training-related configuration options

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasSpaceToDepth

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Constructor from parsed Keras layer configuration dictionary.

KerasSpaceToDepth

public KerasSpaceToDepth(Map<String, Object> layerConfig, boolean enforceTrainingConfig)
            throws InvalidKerasConfigurationException, UnsupportedKerasConfigurationException 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• param enforceTrainingConfig whether to enforce training-related configuration options

• throws InvalidKerasConfigurationException Invalid Keras configuration exception

• throws UnsupportedKerasConfigurationException Unsupported Keras configuration exception

getSpaceToDepthLayer

public SpaceToDepthLayer getSpaceToDepthLayer() 

Get DL4J SpaceToDepth layer.

• return SpaceToDepth layer

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasUpsampling2D

[source]

Keras Upsampling2D layer support

KerasUpsampling2D

public KerasUpsampling2D(Map<String, Object> layerConfig)
            throws InvalidKerasConfigurationException, UnsupportedKerasConfigurationException 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration.

• throws InvalidKerasConfigurationException Invalid Keras configuration exception

• throws UnsupportedKerasConfigurationException Unsupported Keras configuration exception

getUpsampling2DLayer

public Upsampling2D getUpsampling2DLayer() 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• param enforceTrainingConfig whether to enforce training-related configuration options

• throws InvalidKerasConfigurationException Invalid Keras configuration exception

• throws UnsupportedKerasConfigurationException Invalid Keras configuration exception

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasSeparableConvolution2D

[source]

Keras separable convolution 2D layer support

KerasSeparableConvolution2D

public KerasSeparableConvolution2D(Integer kerasVersion) throws UnsupportedKerasConfigurationException 

Pass-through constructor from KerasLayer

• param kerasVersion major keras version

• throws UnsupportedKerasConfigurationException Unsupported Keras configuration

setWeights

public void setWeights(Map<String, INDArray> weights) throws InvalidKerasConfigurationException 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• throws InvalidKerasConfigurationException Invalid Keras configuration

• throws UnsupportedKerasConfigurationException Unsupported Keras configuration

getSeparableConvolution2DLayer

public SeparableConvolution2D getSeparableConvolution2DLayer() 

Get DL4J SeparableConvolution2D.

• return SeparableConvolution2D

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config

KerasDepthwiseConvolution2D

[source]

Keras depth-wise convolution 2D layer support

KerasDepthwiseConvolution2D

public KerasDepthwiseConvolution2D(Integer kerasVersion) throws UnsupportedKerasConfigurationException 

Pass-through constructor from KerasLayer

• param kerasVersion major keras version

• throws UnsupportedKerasConfigurationException Unsupported Keras configuration

setWeights

public void setWeights(Map<String, INDArray> weights) throws InvalidKerasConfigurationException 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration

• throws InvalidKerasConfigurationException Invalid Keras configuration

• throws UnsupportedKerasConfigurationException Unsupported Keras configuration

getDepthwiseConvolution2DLayer

public DepthwiseConvolution2D getDepthwiseConvolution2DLayer() 

Get DL4J DepthwiseConvolution2D.

• return DepthwiseConvolution2D

getOutputType

public InputType getOutputType(InputType... inputType) throws InvalidKerasConfigurationException 

Get layer output type.

• param inputType Array of InputTypes

• return output type as InputType

• throws InvalidKerasConfigurationException Invalid Keras config