org.nd4j.linalg.api.ops.impl.image.ResizeBilinear Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* 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.
*
* 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.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
package org.nd4j.linalg.api.ops.impl.image;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.base.Preconditions;
import org.nd4j.imports.graphmapper.tf.TFGraphMapper;
import org.nd4j.linalg.api.buffer.DataType;
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.LinkedHashMap;
import java.util.List;
import java.util.Map;
/**
* ResizeBilinear op wrapper
* @author [email protected]
*/
public class ResizeBilinear extends DynamicCustomOp {
protected boolean alignCorners = false;
@Override
public String opName() {
return "resize_bilinear";
}
@Override
public String tensorflowName() {
return "ResizeBilinear";
}
@Override
public void initFromTensorFlow(NodeDef nodeDef, SameDiff initWith, Map attributesForNode, GraphDef graph) {
TFGraphMapper.getInstance().initFunctionFromProperties(nodeDef.getOp(), this, attributesForNode, nodeDef, graph);
this.alignCorners = attributesForNode.get("align_corners").getB();
addArgs();
}
protected void addArgs() {
// to be implemented
iArguments.clear();
iArguments.add(alignCorners ? 1L : 0L);
}
@Override
public Map propertiesForFunction() {
Map ret = new LinkedHashMap<>();
ret.put("alignCorners", alignCorners);
return ret;
}
@Override
public List doDiff(List f1) {
throw new UnsupportedOperationException();
}
@Override
public List calculateOutputDataTypes(List 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());
}
}