org.deeplearning4j.nn.modelimport.keras.utils

Class KerasActivationUtils

java.lang.Object

org.deeplearning4j.nn.modelimport.keras.utils.KerasActivationUtils

public class KerasActivationUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
KerasActivationUtils()

Method Summary

Modifier and Type	Method and Description
static Activation	getActivationFromConfig(Map<String,Object> layerConfig, KerasLayerConfiguration conf) Get activation enum value from Keras layer configuration.
static IActivation	getIActivationFromConfig(Map<String,Object> layerConfig, KerasLayerConfiguration conf) Get activation function from Keras layer configuration.
static Activation	mapToActivation(String kerasActivation, KerasLayerConfiguration conf) Map Keras to DL4J activation functions.
static IActivation	mapToIActivation(String kerasActivation, KerasLayerConfiguration conf) Map Keras to DL4J activation functions.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

KerasActivationUtils

public KerasActivationUtils()

Method Detail

mapToActivation

public static Activation mapToActivation(String kerasActivation,
                                         KerasLayerConfiguration conf)
                                  throws UnsupportedKerasConfigurationException

Map Keras to DL4J activation functions.

Parameters:

conf - Keras layer configuration

kerasActivation - String containing Keras activation function name

Returns:

Activation enum value containing DL4J activation function name

Throws:

UnsupportedKerasConfigurationException

mapToIActivation

public static IActivation mapToIActivation(String kerasActivation,
                                           KerasLayerConfiguration conf)
                                    throws UnsupportedKerasConfigurationException

Map Keras to DL4J activation functions.

Parameters:

kerasActivation - String containing Keras activation function name

Returns:

DL4J activation function

Throws:

UnsupportedKerasConfigurationException

getIActivationFromConfig

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

Get activation function from Keras layer configuration.

Parameters:

layerConfig - dictionary containing Keras layer configuration

Returns:

DL4J activation function

Throws:

InvalidKerasConfigurationException - Invalid Keras config

UnsupportedKerasConfigurationException - Unsupported Keras config

getActivationFromConfig

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

Get activation enum value from Keras layer configuration.

Parameters:

layerConfig - dictionary containing Keras layer configuration

Returns:

DL4J activation enum value

Throws:

InvalidKerasConfigurationException - Invalid Keras config

UnsupportedKerasConfigurationException - Unsupported Keras config