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package dip;

import org.opencv.core.Mat;

import org.opencv.core.Size;

import org.opencv.imgcodecs.Imgcodecs;

import org.opencv.imgproc.Imgproc;

import origami.Origami;

import java.io.IOException;

public class ImagePyramid {

public static void main(String[] args) throws IOException {

Origami.init();

Mat source = Imgcodecs.imread("data/dip/digital_image_processing.jpg", Imgcodecs.IMREAD_COLOR);

Mat destination1 = new Mat(source.rows() * 2, source.cols() * 2, source.type());

Imgproc.pyrUp(source, destination1, new Size(source.cols() * 2, source.rows() * 2));

Imgcodecs.imwrite("pyrUp.jpg", destination1);

source = Imgcodecs.imread("data/dip/digital_image_processing.jpg", Imgcodecs.IMREAD_COLOR);

Mat destination = new Mat(source.rows() / 2, source.cols() / 2, source.type());

Imgproc.pyrDown(source, destination, new Size(source.cols() / 2, source.rows() / 2));

Imgcodecs.imwrite("pyrDown.jpg", destination);

}

}