ai.djl.modality.cv.transform.Resize Maven / Gradle / Ivy
/*
* Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance
* with the License. A copy of the License is located at
*
* http://aws.amazon.com/apache2.0/
*
* or in the "license" file accompanying this file. This file 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.
*/
package ai.djl.modality.cv.transform;
import ai.djl.modality.cv.Image;
import ai.djl.modality.cv.util.NDImageUtils;
import ai.djl.ndarray.NDArray;
import ai.djl.translate.Transform;
/** A {@link Transform} that resizes the image. */
public class Resize implements Transform {
private int width;
private int height;
private Image.Interpolation interpolation;
/**
* Creates a {@code Resize} {@link Transform} that resizes to the given size.
*
* @param size the new size to use for both height and width
*/
public Resize(int size) {
this(size, size, Image.Interpolation.BILINEAR);
}
/**
* Creates a {@code Resize} {@link Transform} that resizes to the given width and height.
*
* @param width the desired width
* @param height the desired height
*/
public Resize(int width, int height) {
this(width, height, Image.Interpolation.BILINEAR);
}
/**
* Creates a {@code Resize} {@link Transform} that resizes to the given width and height with
* given interpolation.
*
* @param width the desired width
* @param height the desired height
* @param interpolation the desired interpolation
*/
public Resize(int width, int height, Image.Interpolation interpolation) {
this.width = width;
this.height = height;
this.interpolation = interpolation;
}
/** {@inheritDoc} */
@Override
public NDArray transform(NDArray array) {
return NDImageUtils.resize(array, width, height, interpolation);
}
}