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ComputationGraphConfiguration.GraphBuilder graph = new NeuralNetConfiguration.Builder().seed(seed) | |
.optimizationAlgo(OptimizationAlgorithm.STOCHASTIC_GRADIENT_DESCENT) | |
.updater(new Adam(0.0001)) | |
.weightInit(new NormalDistribution(0.0, 0.01)) | |
.biasInit(0) | |
.miniBatch(true) | |
.cacheMode(cacheMode) | |
.trainingWorkspaceMode(workspaceMode) | |
.inferenceWorkspaceMode(workspaceMode) | |
.graphBuilder(); | |
graph | |
.addLayer("conv1-1", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(64)// tester 32 (https://link.springer.com/content/pdf/10.1007%2Fs42452-019-0694-y.pdf) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "input") | |
.addLayer("conv1-2", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(64) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "conv1-1") | |
.addLayer("pool1", new SubsamplingLayer.Builder(SubsamplingLayer.PoolingType.MAX).kernelSize(2,2) | |
.build(), "conv1-2") | |
.addLayer("conv2-1", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(128) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "pool1") | |
.addLayer("conv2-2", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(128) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "conv2-1") | |
.addLayer("pool2", new SubsamplingLayer.Builder(SubsamplingLayer.PoolingType.MAX).kernelSize(2,2) | |
.build(), "conv2-2") | |
.addLayer("conv3-1", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(256) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "pool2") | |
.addLayer("conv3-2", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(256) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "conv3-1") | |
.addLayer("pool3", new SubsamplingLayer.Builder(SubsamplingLayer.PoolingType.MAX).kernelSize(2,2) | |
.build(), "conv3-2") | |
.addLayer("conv4-1", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(512) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "pool3") | |
.addLayer("conv4-2", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(512) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "conv4-1") | |
.addLayer("drop4", new DropoutLayer.Builder(0.5).build(), "conv4-2") | |
.addLayer("pool4", new SubsamplingLayer.Builder(SubsamplingLayer.PoolingType.MAX).kernelSize(2,2) | |
.build(), "drop4") | |
.addLayer("conv5-1", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(1024) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "pool4") | |
.addLayer("conv5-2", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(1024) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "conv5-1") | |
.addLayer("drop5", new DropoutLayer.Builder(0.5).build(), "conv5-2") | |
// up6 | |
.addLayer("up6-1", new Upsampling2D.Builder(2).build(), "drop5") | |
.addLayer("up6-2", new ConvolutionLayer.Builder(2,2).stride(1,1).nOut(512) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "up6-1") | |
.addVertex("merge6", new MergeVertex(), "drop4", "up6-2") | |
.addLayer("conv6-1", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(512) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "merge6") | |
.addLayer("conv6-2", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(512) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "conv6-1") | |
// up7 | |
.addLayer("up7-1", new Upsampling2D.Builder(2).build(), "conv6-2") | |
.addLayer("up7-2", new ConvolutionLayer.Builder(2,2).stride(1,1).nOut(256) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "up7-1") | |
.addVertex("merge7", new MergeVertex(), "conv3-2", "up7-2") | |
.addLayer("conv7-1", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(256) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "merge7") | |
.addLayer("conv7-2", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(256) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "conv7-1") | |
// up8 | |
.addLayer("up8-1", new Upsampling2D.Builder(2).build(), "conv7-2") | |
.addLayer("up8-2", new ConvolutionLayer.Builder(2,2).stride(1,1).nOut(128) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "up8-1") | |
.addVertex("merge8", new MergeVertex(), "conv2-2", "up8-2") | |
.addLayer("conv8-1", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(128) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "merge8") | |
.addLayer("conv8-2", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(128) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "conv8-1") | |
// up9 | |
.addLayer("up9-1", new Upsampling2D.Builder(2).build(), "conv8-2") | |
.addLayer("up9-2", new ConvolutionLayer.Builder(2,2).stride(1,1).nOut(64) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "up9-1") | |
.addVertex("merge9", new MergeVertex(), "conv1-2", "up9-2") | |
.addLayer("conv9-1", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(64) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "merge9") | |
.addLayer("conv9-2", new ConvolutionLayer.Builder(3,3).stride(1,1).nOut(64) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.RELU).build(), "conv9-1") | |
.addLayer("conv9-3", new ConvolutionLayer.Builder(1,1).stride(1,1).nOut(1) | |
.convolutionMode(ConvolutionMode.Same).cudnnAlgoMode(cudnnAlgoMode) | |
.activation(Activation.SIGMOID).build(), "conv9-2") | |
.addLayer("output", new SameDiffDiceLossLayer(), "conv9-3") | |
.setOutputs("output"); | |
return graph; | |
} |
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