org.deeplearning4j.nn.layers.convolution.subsampling.SubsamplingHelper Maven / Gradle / Ivy
/*
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* *
* * 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.
* *
* * See the NOTICE file distributed with this work for additional
* * information regarding copyright ownership.
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* * SPDX-License-Identifier: Apache-2.0
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package org.deeplearning4j.nn.layers.convolution.subsampling;
import org.deeplearning4j.nn.conf.CNN2DFormat;
import org.deeplearning4j.nn.conf.ConvolutionMode;
import org.deeplearning4j.nn.conf.layers.PoolingType;
import org.deeplearning4j.nn.gradient.Gradient;
import org.deeplearning4j.nn.layers.LayerHelper;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.common.primitives.Pair;
import org.deeplearning4j.nn.workspace.LayerWorkspaceMgr;
/**
* Helper for the subsampling layer.
*
* @author saudet
*/
public interface SubsamplingHelper extends LayerHelper {
Pair backpropGradient(INDArray input, INDArray epsilon, int[] kernel, int[] strides, int[] pad,
PoolingType poolingType, ConvolutionMode convolutionMode, int[] dilation,
CNN2DFormat format, LayerWorkspaceMgr workspaceMgr);
INDArray activate(INDArray input, boolean training, int[] kernel, int[] strides, int[] pad, PoolingType poolingType,
ConvolutionMode convolutionMode, int[] dilation, CNN2DFormat format, LayerWorkspaceMgr workspaceMgr);
}