nd4j/nd4j-backends/nd4j-api-parent/nd4j-api/src/main/java/org/nd4j/linalg/api/ops/impl/image/ResizeBicubic.java
/*
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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.
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* * See the NOTICE file distributed with this work for additional
* * information regarding copyright ownership.
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* * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* * SPDX-License-Identifier: Apache-2.0
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package org.nd4j.linalg.api.ops.impl.image;
import lombok.NoArgsConstructor;
import lombok.NonNull;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.common.base.Preconditions;
import org.nd4j.imports.graphmapper.tf.TFGraphMapper;
import org.nd4j.linalg.api.buffer.DataType;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.DynamicCustomOp;
import org.nd4j.linalg.factory.Nd4j;
import org.tensorflow.framework.AttrValue;
import org.tensorflow.framework.GraphDef;
import org.tensorflow.framework.NodeDef;
import java.util.Collections;
import java.util.List;
import java.util.Map;
@NoArgsConstructor
public class ResizeBicubic extends DynamicCustomOp {
protected boolean alignCorners = false;
protected boolean alignPixelCenters = false;
public ResizeBicubic(@NonNull INDArray image, INDArray size, boolean alignCorners, boolean alignPixelCenters) {
addInputArgument(image, size);
addBArgument(alignCorners, alignPixelCenters);
}
public ResizeBicubic(@NonNull SameDiff sameDiff, @NonNull SDVariable image,
SDVariable size, boolean alignCorners, boolean alignPixelCenters) {
super(sameDiff, new SDVariable[]{image, size});
addBArgument(alignCorners, alignPixelCenters);
}
@Override
public String opName() {
return "resize_bicubic";
}
@Override
public String tensorflowName() {
return "ResizeBicubic";
}
@Override
public void initFromTensorFlow(NodeDef nodeDef, SameDiff initWith, Map<String, AttrValue> attributesForNode, GraphDef graph) {
TFGraphMapper.initFunctionFromProperties(nodeDef.getOp(), this, attributesForNode, nodeDef, graph);
this.alignCorners = attributesForNode.get("align_corners").getB();
this.alignPixelCenters = attributesForNode.get("half_pixel_centers").getB();
addBArgument(alignCorners, alignPixelCenters);
}
@Override
public List<DataType> calculateOutputDataTypes(List<DataType> inputDataTypes){
Preconditions.checkState(inputDataTypes != null && (inputDataTypes.size() == 1 || inputDataTypes.size() == 2),
"Expected 1 or 2 input datatypes for %s, got %s", getClass(), inputDataTypes);
if(inputDataTypes.get(0).isFPType())
return Collections.singletonList(inputDataTypes.get(0));
return Collections.singletonList(Nd4j.defaultFloatingPointType());
}
}