org.nd4j.linalg.api.ops.custom.AdjustContrast 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.
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* * information regarding copyright ownership.
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* * SPDX-License-Identifier: Apache-2.0
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package org.nd4j.linalg.api.ops.custom;
import lombok.NonNull;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.common.base.Preconditions;
import org.nd4j.linalg.api.buffer.DataType;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.DynamicCustomOp;
import java.util.Collections;
import java.util.List;
public class AdjustContrast extends DynamicCustomOp {
public AdjustContrast() {
super();
}
public AdjustContrast(@NonNull INDArray in, double factor, INDArray out) {
Preconditions.checkArgument(in.rank() >= 3,
"AdjustContrast: op expects rank of input array to be >= 3, but got %s instead", in.rank());
inputArguments.add(in);
outputArguments.add(out);
addTArgument(factor);
}
public AdjustContrast(@NonNull INDArray in, double factor) {
this(in, factor, null);
}
public AdjustContrast(@NonNull SameDiff sameDiff, @NonNull SDVariable in, @NonNull SDVariable factor) {
super(sameDiff, new SDVariable[]{in, factor});
}
public AdjustContrast(@NonNull SameDiff sameDiff, @NonNull SDVariable in, double factor) {
super(sameDiff, new SDVariable[]{in});
addTArgument(factor);
}
@Override
public String opName() {
return "adjust_contrast_v2";
}
@Override
public String[] tensorflowNames() {
return new String[]{"AdjustContrast", "AdjustContrastv2"};
}
@Override
public List calculateOutputDataTypes(List inputDataTypes) {
int n = args().length;
Preconditions.checkState(inputDataTypes != null && inputDataTypes.size() == n, "Expected %s input data types for %s, got %s", n, getClass(), inputDataTypes);
return Collections.singletonList(inputDataTypes.get(0));
}
}