Convolutional Layers

KerasConvolution2D

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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