unwrap.cpp

#include "opencv2/opencv.hpp"
#include <iostream>
#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "unwrap.h"

using namespace std;
using namespace cv;

void unwrap_frame(Mat& src, Mat& dst)
{
	cv::Point2f src_points[4];
	cv::Point2f dst_points[4];
	src_points[0] = cv::Point2f(290, 230);
	src_points[1] = cv::Point2f(350, 230);
	src_points[2] = cv::Point2f(520, 340);
	src_points[3] = cv::Point2f(130, 340);

	dst_points[0] = cv::Point2f(130, 0);
	dst_points[1] = cv::Point2f(520, 0);
	dst_points[2] = cv::Point2f(520, 360);
	dst_points[3] = cv::Point2f(130, 360);
	Mat trans_points = getPerspectiveTransform(dst_points, src_points);
	warpPerspective(src, dst, trans_points, src.size(), cv::INTER_LINEAR);

}