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| #include <opencv2/opencv.hpp>
#include <iostream>
using namespace cv;
using namespace std;
int main()
{
Mat img_src;
img_src = imread("chese.jpg", IMREAD_COLOR);
pyrDown(img_src, img_src);
int height = img_src.rows;
int width = img_src.cols;
int w_q1 = width / 4;
int h_q1 = height / 4;
int w_q2 = width / 4;
int h_q2 = width / 4;
Mat img_crop1, img_crop2;
img_crop1 = img_src(Rect(30, 180, 200, 440)).clone();
img_crop2 = img_src(Rect(570, 320, 160, 280)).clone();
cvtColor(img_crop1, img_crop1, COLOR_BGR2GRAY);
cvtColor(img_crop1, img_crop1, COLOR_GRAY2BGR);
cvtColor(img_crop2, img_crop2, COLOR_BGR2GRAY);
cvtColor(img_crop2, img_crop2, COLOR_GRAY2BGR);
img_crop1.copyTo(img_src(Rect(30, 180, 200, 440)));
img_crop2.copyTo(img_src(Rect(570, 320, 160, 280)));
imshow("crop", img_src);
waitKey();
destroyAllWindows();
//Mat img_src;
//img_src = imread("chese.jpg", IMREAD_COLOR);
//int height = img_src.rows;
//int width = img_src.cols;
//int w_q1 = width / 4;
//int h_q1 = height / 4;
////img_crop = img_src[h_q1:h_q3, w_q1 : w_q3].copy()
//Mat img_crop;
//img_crop = img_src(Rect(w_q1, h_q1, width / 2, height / 2)).clone();
//cvtColor(img_crop, img_crop, COLOR_BGR2GRAY);
//cvtColor(img_crop, img_crop, COLOR_GRAY2BGR);
//img_crop.copyTo(img_src(Rect(w_q1, h_q1, width / 2, height / 2)));
//imshow("src", img_src);
//waitKey();
//destroyAllWindows();
/*Mat img_src;
img_src = imread("balloon.jpg", IMREAD_COLOR);
int height = img_src.rows;
int width = img_src.cols;
Mat img_dst1;
Mat img_dst2;
pyrDown(img_src, img_dst1);
pyrUp(img_src, img_dst2, Size(width * 2, height * 2));
resize(img_src, img_dst1, Size(width, height), INTER_LINEAR);
resize(img_src, img_dst2, Size(), 0.5, 0.5);
imshow("src", img_src);
imshow("dst1", img_dst1);
imshow("dst2", img_dst2);
waitKey();
destroyAllWindows();*/
/*Mat img_src;
img_src = imread("balloon.jpg", IMREAD_COLOR);
Mat img_dst;
flip(img_src, img_dst, 1);
imshow("src", img_src);
imshow("flip", img_dst);
waitKey();
destroyAllWindows();*/
//Mat img_src;
//img_src = imread("balloon.jpg", IMREAD_COLOR);
//int height = img_src.rows;
//int width = img_src.cols;
//Mat matrix = getRotationMatrix2D(
// Point(width / 2, height / 2), // 회전할 때 중심점
// 45, //회전 각도
// 1); // 이미지 배율
//Mat img_dst;
//warpAffine(img_src, img_dst, matrix, Size(width, height));
//imshow("src", img_src);
//imshow("rotation Result", img_dst);
//waitKey();
//destroyAllWindows();
//Mat frame;
//VideoCapture cap("aespa.mp4");
//if (!cap.isOpened())
//{
// cout << "동영상을 열 수 없습니다." << endl;
// return -1;
//}
//Mat frame_gray;
//while (1)
//{
// bool ret = cap.read(frame); // frame 은 img_src 동일
// // 이미지 처리를 해주면 됨
// cvtColor(frame, frame_gray, COLOR_BGR2GRAY);
// //
// imshow("Video", frame);
// imshow("Video-Gray", frame_gray);
//
// int key = waitKey(33);
// if (key == 27) // ESC 키
// break;
//}
//cap.release();
//Mat img_src;
//img_src = imread("balloon.jpg", IMREAD_COLOR);
//// 이미지를 그레이영상으로 바꿈
//Mat img_gray;
//cvtColor(img_src, img_gray, COLOR_BGR2GRAY);
//imshow("Src", img_src);
//imshow("Gray", img_gray);
//waitKey(0);
//destroyAllWindows();
// cout << "OpenCV Version : " << CV_VERSION << endl;
}
|