9. Zooming and Shrinking Images by Pixel Replication.c

#include <iostream>
#include <opencv2/opencv.hpp>
#include <opencv2/highgui/highgui.hpp>
using namespace cv;

int main()
{
	Size size(281, 369);//the dst image size,e.g.100x100
	Size size2(2810, 3690);//the dst image size,e.g.100x100
	Mat dst;//dst image
	Mat dst2;
	Mat src= imread("C:/img/p1.tif");//src image
	resize(src, dst, size, INTER_NEAREST);//resize image
	resize(dst, dst2, size2, INTER_NEAREST);//resize image
	imshow("src img", src);
	imshow("zoom down", dst);
	imshow("zoom up after zoom down", dst2);
	waitKey(0);
	return 0;
}