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package org.deeplearning4j; | |
import org.deeplearning4j.datasets.iterator.ExistingDataSetIterator; | |
import org.deeplearning4j.nn.conf.ConvolutionMode; | |
import org.deeplearning4j.nn.conf.MultiLayerConfiguration; | |
import org.deeplearning4j.nn.conf.NeuralNetConfiguration; | |
import org.deeplearning4j.nn.conf.layers.ConvolutionLayer; | |
import org.deeplearning4j.nn.conf.layers.GlobalPoolingLayer; | |
import org.deeplearning4j.nn.conf.layers.OutputLayer; | |
import org.deeplearning4j.nn.conf.layers.PoolingType; | |
import org.deeplearning4j.nn.multilayer.MultiLayerNetwork; | |
import org.deeplearning4j.nn.weights.WeightInit; | |
import org.deeplearning4j.optimize.listeners.ScoreIterationListener; | |
import org.junit.Test; | |
import org.nd4j.linalg.activations.Activation; | |
import org.nd4j.linalg.api.buffer.DataType; | |
import org.nd4j.linalg.dataset.DataSet; | |
import org.nd4j.linalg.factory.Nd4j; | |
import org.nd4j.linalg.learning.config.Adam; | |
import org.nd4j.linalg.lossfunctions.LossFunctions; | |
import java.util.ArrayList; | |
import java.util.Arrays; | |
import java.util.List; | |
public class Temp { | |
@Test | |
public void test(){ | |
MultiLayerConfiguration config = new NeuralNetConfiguration.Builder() | |
.weightInit(WeightInit.RELU) | |
.activation(Activation.LEAKYRELU) | |
.updater(new Adam(0.01)) | |
.convolutionMode(ConvolutionMode.Same) | |
.l2(0.001) | |
.list() | |
.layer(new ConvolutionLayer.Builder() | |
.kernelSize(3, 50) | |
.stride(1, 50) | |
.nIn(1) | |
.nOut(100) | |
.build()) | |
.layer(new GlobalPoolingLayer.Builder() | |
.poolingType(PoolingType.MAX) | |
.dropOut(0.7) | |
.build()) | |
.layer(new OutputLayer.Builder() | |
.lossFunction(LossFunctions.LossFunction.MCXENT) | |
.activation(Activation.SOFTMAX) | |
.nIn(100) | |
.nOut(10) | |
.build()) | |
.build(); | |
MultiLayerNetwork net = new MultiLayerNetwork(config); | |
net.init(); | |
List<long[]> shapes = Arrays.asList( | |
new long[]{64,1,368,50}, | |
new long[]{64,1,512,50}, | |
new long[]{64,1,512,50}, | |
new long[]{64,1,512,50}, | |
new long[]{64,1,512,50}, | |
new long[]{64,1,512,50}, | |
new long[]{64,1,368,50}, | |
new long[]{64,1,443,50}, | |
new long[]{64,1,436,50}, | |
new long[]{64,1,469,50}, | |
new long[]{64,1,376,50}, | |
new long[]{64,1,403,50}, | |
new long[]{64,1,350,50}, | |
new long[]{64,1,419,50}, | |
new long[]{64,1,441,50}, | |
new long[]{64,1,512,50}, | |
new long[]{64,1,402,50}); | |
List<DataSet> l = new ArrayList<>(); | |
for( long[] s : shapes){ | |
l.add(new DataSet(Nd4j.rand(DataType.FLOAT, s), TestUtils.randomOneHot(s[0], 10).castTo(DataType.FLOAT))); | |
} | |
net.setListeners(new ScoreIterationListener(1)); | |
for( int i=0; i<100; i++ ){ | |
net.fit(new ExistingDataSetIterator(l)); | |
System.out.println("EPOCH: " + i); | |
} | |
} | |
} |
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