org.deeplearning4j.arbiter.dropout.GaussianNoiseSpace Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
package org.deeplearning4j.arbiter.dropout;
import lombok.AllArgsConstructor;
import org.deeplearning4j.arbiter.optimize.api.ParameterSpace;
import org.deeplearning4j.arbiter.optimize.parameter.FixedValue;
import org.deeplearning4j.nn.conf.dropout.GaussianNoise;
import org.deeplearning4j.nn.conf.dropout.IDropout;
import java.util.Collections;
import java.util.List;
import java.util.Map;
@AllArgsConstructor
public class GaussianNoiseSpace implements ParameterSpace {
private ParameterSpace stddev;
public GaussianNoiseSpace(double stddev){
this(new FixedValue<>(stddev));
}
@Override
public IDropout getValue(double[] parameterValues) {
return new GaussianNoise(stddev.getValue(parameterValues));
}
@Override
public int numParameters() {
return stddev.numParameters();
}
@Override
public List collectLeaves() {
return Collections.singletonList(stddev);
}
@Override
public Map getNestedSpaces() {
return Collections.singletonMap("stddev", stddev);
}
@Override
public boolean isLeaf() {
return false;
}
@Override
public void setIndices(int... indices) {
stddev.setIndices(indices);
}
}