Core Layers

KerasPermute

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Imports Permute layer from Keras

KerasPermute

public KerasPermute(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

isInputPreProcessor

public boolean isInputPreProcessor() 

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

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 config

• see InputPreProcessor

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

KerasFlatten

[source]

Imports a Keras Flatten layer as a DL4J {Cnn,Rnn}ToFeedForwardInputPreProcessor.

KerasFlatten

public KerasFlatten(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

isInputPreProcessor

public boolean isInputPreProcessor() 

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

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 config

• see org.deeplearning4j.nn.conf.InputPreProcessor

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

KerasReshape

[source]

Imports Reshape layer from Keras

KerasReshape

public KerasReshape(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

isInputPreProcessor

public boolean isInputPreProcessor() 

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

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 config

• see org.deeplearning4j.nn.conf.InputPreProcessor

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

KerasMerge

[source]

Imports a Keras Merge layer as a DL4J Merge (graph) vertex.

TODO: handle axes arguments that alter merge behavior (requires changes to DL4J?)

KerasMerge

public KerasMerge(Integer kerasVersion) throws UnsupportedKerasConfigurationException 

Pass-through constructor from KerasLayer

• param kerasVersion major keras version

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getOutputType

public InputType getOutputType(InputType... inputType) 

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration.

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

KerasDropout

[source]

Imports a Dropout layer from Keras.

KerasDropout

public KerasDropout(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

getOutputType

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

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

getDropoutLayer

public DropoutLayer getDropoutLayer() 

Get DL4J DropoutLayer.

• return DropoutLayer

KerasMasking

[source]

Imports Keras masking layers.

KerasMasking

public KerasMasking(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

getOutputType

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

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

getMaskingLayer

public MaskZeroLayer getMaskingLayer() 

Get DL4J MaskZeroLayer.

• return MaskZeroLayer

KerasSpatialDropout

[source]

Keras wrapper for DL4J dropout layer with SpatialDropout, works 1D-3D.

KerasSpatialDropout

public KerasSpatialDropout(Integer kerasVersion) throws UnsupportedKerasConfigurationException 

Pass-through constructor from KerasLayer

• param kerasVersion major keras version

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getOutputType

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

Constructor from parsed Keras layer configuration dictionary.

• param layerConfig dictionary containing Keras layer configuration.

• throws InvalidKerasConfigurationException Invalid Keras config

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getSpatialDropoutLayer

public DropoutLayer getSpatialDropoutLayer() 

Get DL4J DropoutLayer with spatial dropout.

• return DropoutLayer

KerasLambda

[source]

Wraps a DL4J SameDiffLambda into a KerasLayer

KerasLambda

public KerasLambda(Map<String, Object> layerConfig, SameDiffLayer sameDiffLayer)
            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

getOutputType

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

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

getSameDiffLayer

public SameDiffLayer getSameDiffLayer() 

Get DL4J SameDiffLayer.

• return SameDiffLayer

KerasActivation

[source]

Imports an Activation layer from Keras.

KerasActivation

public KerasActivation(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

getOutputType

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

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

getActivationLayer

public ActivationLayer getActivationLayer() 

Get DL4J ActivationLayer.

• return ActivationLayer

KerasDense

[source]

Imports a Dense layer from Keras.

KerasDense

public KerasDense(Integer kerasVersion) throws UnsupportedKerasConfigurationException 

Pass-through constructor from KerasLayer

• param kerasVersion major keras version

• throws UnsupportedKerasConfigurationException Unsupported Keras config

getDenseLayer

public DenseLayer getDenseLayer() 

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

getNumParams

public int getNumParams() 

Returns number of trainable parameters in layer.

• return number of trainable parameters (2)

setWeights

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

Set weights for layer.

• param weights Dense layer weights

KerasRepeatVector

[source]

Imports a Keras RepeatVector layer

KerasRepeatVector

public KerasRepeatVector(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

getOutputType

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

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

getRepeatVectorLayer

public RepeatVector getRepeatVectorLayer() 

Get DL4J RepeatVector.

• return RepeatVector