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Java example source code file (UnitVarianceProcessor.java)
The UnitVarianceProcessor.java Java example source code/* * * * Copyright 2015 Skymind,Inc. * * * * Licensed under the Apache License, Version 2.0 (the "License"); * * you may not use this file except in compliance with the License. * * You may obtain a copy of the License at * * * * http://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. * */ package org.deeplearning4j.nn.conf.preprocessor; import lombok.*; import org.nd4j.linalg.api.ndarray.INDArray; import org.nd4j.linalg.factory.Nd4j; /** * Unit variance operation * * @author Adma Gibson */ @Data @EqualsAndHashCode(callSuper=false) public class UnitVarianceProcessor extends BaseInputPreProcessor { @Getter(AccessLevel.NONE) @Setter(AccessLevel.NONE) INDArray columnStds; @Override public INDArray preProcess(INDArray input, int miniBatchSize) { columnStds = input.std(0); columnStds.addi(Nd4j.EPS_THRESHOLD); input.diviRowVector(columnStds); return input; } @Override public INDArray backprop(INDArray output, int miniBatchSize) { return output; //no-op } @Override public UnitVarianceProcessor clone() { UnitVarianceProcessor clone = (UnitVarianceProcessor) super.clone(); if(clone.columnStds != null) clone.columnStds = clone.columnStds.dup(); return clone; } } Other Java examples (source code examples)Here is a short list of links related to this Java UnitVarianceProcessor.java source code file: |
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